22kv Simosec Eng

SwitchgearType SIMOSEC up to 24 kV,Air-Insulated, Extendable

Medium-VoltageSwitchgear

Catalog HA 41.212005

2 Siemens HA 41.21 · 2005

Switchgear Type SIMOSEC up to 24 kV, Air-Insulated, Extendable

Contents

Page

Application, Requirements

Typical uses, features 2 and 3

Technical Data

Electrical data, pressure values,temperature 4 and 5Switchgear installation 6Shipping data 7

Product Range

Product range overview, equipmentfeatures 8 and 9Panels 10 to 15

Design

Panel design 16 and 17

Components

3AH vacuum circuit-breakers 18 to 20Three-position switches 21Busbars, HV HRC fuse assembly 22 and 23Operating mechanisms 24Indicating and measuring equipment 25Interlocking systems and locking devices 26Transformers 27 to 29Cable connection 30 and 31Low-voltage equipment 32

Dimensions

Panels 33 to 39Floor openings, fixing points 40

Standards

Standards, specifications, guidelines 41 to 43

Notes

43

Example4-panel transfer switchgear withintegrated low-voltage niche

R-HA

41-0

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R-HA

41-0

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Utilities transfer substationfor industrial plants

Application

© Siemens AG 2005

Typical uses

Siemens HA 41.21 · 2005 3


Application, Requirements

Reliability

• Type and routine-tested *

• Standardized and manu-factured using numericallycontrolled machines

• Quality management systemaccording to DIN EN ISO 9001

• More than 350,000 switchgearcomponents in operationworldwide for many years

• No cross-insulation betweenphases

Personal safety

• All switching operations canbe performed with closedpanel front

• Metal-enclosed, cubicle-typeor metal-clad switchgear

• HV HRC fuses and cable seal-ing ends are only accessiblewhen the outgoing feeders areearthed

• Logical mechanical interlocking

• Capacitive voltage detectionsystem for verification of safeisolation from supply

• Earthing of outgoing feedersby means of make-proofearthing switches

Security of operation

• Components, e.g. operatingmechanisms, three-positionswitches, vacuum circuit-breakers proven for years

• Metal-clad panels (metal com-partmentalization betweenbusbar and switching deviceand between switching deviceand cable connection compart-ment)

• Cubicle-type panels withmetal compartmentalizationbetween switching device andbusbar compartment

• Three-position switch metal-enclosed with gas-insulatedswitching functions

– Welded sealed-for-lifeswitchgear vessel

– No cross-insulation betweenphases

– With welded-in bushings forcable connection, busbar andoperating mechanism

• Switch operating mechanismsoutside switchgear vessel

• Maintenance-free operatingmechanism parts (IEC 60 694/VDE 0670-1000 *)

SIMOSEC switchgear is afactory-assembled, type-tested, three-phase, metal-enclosed, metal-clad indoorswitchgear according toIEC 60 298 / VDE 0670-6 *for single busbars.

Typical uses

SIMOSEC switchgear isused for power distribution indistribution systems withfeeder currents up to 1250 A.

Modular space-saving designallows use in

• Substations, customer trans-fer substations, distributionsubstations and switchingsubstations of power supplyand public utilities

• Public buildings, such ashigh-rise buildings, railwaystations, hospitals

• Industrial plants

Typical examples

• Wind power stations

• High-rise buildings

• Airports

• Underground railway stations

• Sewage treatment plants

• Port facilities

• Traction power supplysystems

• Automobile industry

• Petroleum industry

• Chemical industry

• Unit-type heating powerstations

• Textile, paper andfood industry

• Emergency power supplyinstallations

Modular design

• Individual panels, for freecombination and extension

• Option: Low-voltage com-partments can be supplied intwo overall heights

Technical features

• Air-insulated indoorswitchgear

• Gas-insulated, maintenance-free switching functions forthe three-position switch

• Three-pole primary enclosure

• Phases arranged one behindthe other

• No cross-insulation betweenphases

• Busbar system at the top

• Air-insulated busbar and cableconnection system

• Three-position switch, metal-enclosed, with air-insulatedprimary terminals and gas-insulated switching functions

• Vacuum circuit-breaker 3AH5,metal-enclosed, up to 630 A,fixed-mounted in gas-insulatedswitchgear vessel

• Vacuum circuit-breaker 3AH6,air-insulated, up to 1250 A,easy to withdraw after loose-ning the fixing bolts

• Hermetically-sealed bywelding, stainless-steelswitchgear vessel,

– For switching devices– With welded-in bushings

(for electrical connections andmechanical components)

– With insulating gas SF6

• Cubicle-type or metal-cladpanel design

• Pressure relief– To the rear and upwards– Separately for each

compartment

• Air-insulated cable connectionsystem for conventional cablesealing ends

• Three-phase current trans-former, factory-assembled onthe feeder bushings

• Integrated low-voltage niche(standard) for installationof, e.g.

– Terminals, MCBs, push-buttons

– Protection devices

• Option: Top-mounted low-voltage compartment

• Option: Panel heating forsevere ambient conditions,e.g. condensation

• Mechanical switch positionindications integrated inmimic diagram

• Switchgear interlockingsystem with logicalmechanical interlocks

Reavailability

• Three-position switch discon-nector with gas-insulated,maintenance-free quenchingprinciple

• Metal compartmentalizationbetween busbar compart-ment, switching devices andcable connection compart-ment

• Separate pressure relief foreach compartment

• Cable testing without theneed to isolate the busbar

• Mounting location of three-phase current transformer forselective disconnection ofcircuit-breaker feeders

Cost-efficiency

Extremely low life-cycle costsand extremely high availabilitythroughout the entire productservice life cycle as a result of:

• Three-position switch withgas-insulated quenchingprinciple

• 3AH vacuum circuit-breaker

• Minimum space requirement

• Easy switchgear extension

• Standard protection relays,e.g. multifunction protectionSIPROTEC 4

Electrical features

• Rated voltages up to 24 kV

• Rated short-time withstandcurrent up to 25 kA

• Rated normal current offeeders

– Up to 630 A, e.g. forring-main, metering andcircuit-breaker panels

– Up to 1250 A, forcircuit-breaker and bussectionalizer panels

• Rated normal current ofbusbar up to 1250 A

* Standards see page 41

Features

4 Siemens HA 41.21 · 2005


Electrical data of panels, pressure values, temperature

1) The rated normal currents apply to ambient tempera-tures of 40 °C. The 24-hour-mean value is max. 35 °C(according to IEC 60 694 / VDE 0670-1000)

2) Pressure values for SF6-insulated vessels

* Type designationof the vacuumcircuit-breaker

Common details on electrical data, filling pressure and temperature

Rated insulation level Rated voltage Ur kV 7.2 12 15 17.5 24

Rated short-dur. power-freq. withstand voltage Ud kV 20 28 36 38 50Rated lightning impulse withstand voltage Up kV 60 75 95 95 125

Rated frequency fr 50/60 HzRated normal current Ir 1)of busbar

Standard 630 AOption 1250 A

Rated short-timewithstand current Ik

for switchgear with tk = 1 s up to kA 20 25 20 25 16 20 25 16 20 25 16 20for switchgear with tk = 3 s up to kA 20 – 20 – – 20 – – 20 – – 20

Rated peak withstand current Ip up to kA 50 63 50 63 40 50 63 40 50 63 40 50Rated filling pressure pre 2) for insulation 1500 hPa (absolute) at 20 °CMinimum operating pressure pme 2) for insulation 1300 hPa (absolute) at 20 °CAmbient temperature T for panels without secondary equipment Class “Minus 25 indoor” (– 25 °C to +55 °C)

for panels with secondary equipment Class “Minus 5 indoor” (– 5 °C to +55 °C)

Ring-main panel type RK and cable connection panel type K, K-E

Rated normal current Ir 1) for feeder and transfer, panel type RK 630 A (standard), 400 A (on request)for feeder, panel type K, K-E 630 A (standard), 400 A (on request)for feeder, panel type K1, K1-E 630 A (standard), 1250 A

Rated short-circuit making current Ima up to kA 50 63 50 63 40 50 63 40 50 63 40 50

Transformer panel type TR

Rated normal current Ir 1) for feeder 3) 200 ARated peak withstand current Ip 3) up to kA 50 63 50 63 40 50 63 40 50 63 40 50Rated short-circuit making current Ima 3) up to kA 50 63 50 63 40 50 63 40 50 63 40 50Reference dimension “e“ for HV HRC fuse links mm 292 4) 292 442 442 442

Circuit-breaker panel type LS

Rated normal current Ir 1) f. panel type LS1 and LS1-U 3AH5 * 630 Af. panel type LS11 and LS11-U 3AH6 * 630 Af. panel type LS31, LS32 and LS31-U 3AH6 * 1250 A

Rated short-circuit making current Ima up to kA 50 63 50 63 40 50 63 40 50 63 40 50Rated short-circuit breaking current Isc for 3AH vacuum circuit-breaker up to kA 20 25 20 25 16 20 25 16 20 25 16 20

Busbar earthing panel type SE

Rated short-circuit making current Ima up to kA 50 63 50 63 40 50 63 40 50 63 40 50

Busbar voltage metering panels type ME3 and type ME31-F

Rated peak withstand current Ip 3) up to kA 50 63 50 63 40 50 63 40 50 63 40 50Rated short-circuit making current Ima 3) up to kA 50 63 50 63 40 50 63 40 50 63 40 50Reference dim. “e“ in panel type ME31-F for HV HRC fuse links 292 mm

Billing metering panels type ME1

Rated normal current Ir 1) for transfer, panel types ME1 and ME1-H 630 A, 1250 Afor feeder as cable-connection panel type ME1-K 630 A, 1250 Afor busbar connection, panel type ME1-S 630 A, 1250 Afor bus riser panel type HF 630 A, 1250 A

Bus sectionalizer panels type LT

Rated normal current Ir 1) for panel types LT10 and HF, with 3AH5 * 630 Afor panel type LT1, with 3AH5 *: On request 630 Afor panel types LT11 and HF, with 3AH6 * 630 Afor panel types LT2 and LT22 630 Afor panel types LT31 and HF, with 3AH6 * 1250 A

Rated short-circuit making current Ima up to kA 50 63 50 63 40 50 63 40 50 63 40 50Rated short-circuit breaking current Isc for 3AH vacuum circuit-breaker up to kA 20 25 20 25 16 20 25 16 20 25 16 20Electrical service life for 3AH vacuum circuit-breaker:

at rated normal current Ir 1) 10,000 operating cyclesat rated short-circuit breaking current Isc 50 breaking operations, 35 breaking operations on

3AH6 * with 25 kA

for feeder for transfer with

3) For panel types TR and ME31-F depending on the max.cut-off current of the HV HRC fuse link (ID w 25 kA)

4) With reference dimension e = 192 mm, an extension tube(100 mm long) is additionally required for fuse mounting 292 mm

Technical Data

Siemens HA 41.21 · 2005 5


1) Depending on the HV HRCfuse links

* Higher values of electrical data available on request

** Indications in parenthesis acc. to previous standards

Electrical data * of the switching devices

Technical Data

Make-proof earth-ing function ofthe three-positionswitch-disconnectorMake-proof earth-ing function in fee-der of panels LS11,LS31 and LS32Earthing functionof the three-positiondisconnector

HA41

-29a

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Three-position switch-disconnector

Rated voltage Ur kV 7.2 12 15 17.5 24

Rated insulationlevel

Rated short-duration power-frequency withstand volt. Ud kV 20 28 36 38 50

Rated lightning impulse withstand voltage Uw kV 60 75 95 95 125

Rated frequency fr Hz 50/60 50/60 50/60 50/60 50/60

Rated normalcurrent for

ring-main feeders Ir A 400, 630 400, 630 400, 630 400, 630 400, 630

transformer feeders 1) Ir A 200 200 200 200 200

Rated short-timewithstand current

for switchgear with tk (ttk)**= 1 s Ik (Ith)** up to kA 25 25 25 25 20

for switchgear with tk (ttk)**= 3 s Ik (Ith)** kA 20 20 20 20 20

Rated peak withstand current Ip up to kA 63 63 63 63 50

Rated short-circuitmaking current for

transformer feeders 2) Ima kA 25 25 25 25 25

ring-main feeders Ima up to kA 63 63 63 63 50

Mechanical stability (class M1) No. of operating cycles 1000 1000 1000 1000 1000

Switching capacity of general-purpose switches (class E3) according to IEC 60 265-1 / VDE 0670 Part 301 (Standards see page 41)

Test duty 1 Rated mainly active for 100 switching operations I1 A 630 630 630 630 630load breaking current for 20 switching operations I1 A 31.5 31.5 31.5 31.5 31.5

Test duty 2a Rated closed-loop breaking current I2a A 630 630 630 630 630

Test duty 3 Rated transformer breaking current I3 A 40 40 40 40 40

Test duty 4a Rated cable-charging breaking current I4a (IC or I6)** A 68 68 68 68 68

Test duty 4b Rated line-charging breaking current I4b A 68 68 68 68 68

Test duty 5 Rated short-circuit making current Ima up to kA 63 63 63 63 50

Test duty 6a Rated earth-fault breaking current I6a (Ie)** A 60 60 60 60 60

Test duty 6b Rated cable-charging breaking current and line- I6b Acharging breaking current under earth-fault conditions (HJ3 v ICL)**

35 35 35 35 35

– Cable-charging breaking current under IL + HJ3 v ICL Aearth-fault conditions with superimposed load current

630+50 630+50 630+50 630+50 630+50

Switching capacity of switch-disconnector/fuse combination (Standards see page 41)

Rated transfer current I4 A 1150 1150 830 830 830

Earthing switch


Rated short-circuit making current Ima up to kA 63 63 63 63 50

Rated short-time withstand current Ik (Ith)** up to kA 25 25 25 25 20




3AH5 and 3AH6 vacuum circuit-breakers


Rated insulationlevel

Rated short-duration power-frequency withstand volt. Ud kV 20 28 36 38 50

Rated lightning impulse withstand voltage Up kV 60 75 95 95 125

Rated frequency fr Hz 50/60 50/60 50/60 50/60 50/60

Rated normal current of feeders for 3AH5 Ir A 400, 630 400, 630 400, 630 400, 630 400, 630

for 3AH6 Ir A 630, 1250 630, 1250 630, 1250 630, 1250 630,1250


Rated short-circuit duration tk (tth)** s 3 3 3 3 3

Rated peak withstand current Ip up to kA 63 63 63 63 50

Rated short-circuit breaking current Isc up to kA 25 25 25 25 20


Electrical service life at rated normal current – – 10,000 operating cycles

2) Corresponds to the max. permissiblecut-off current of the HV HRC fuse

6 Siemens HA 41.21 · 2005

Switchgear Type SIMOSEC up to 24 kV, Air-Insulated, Extendable��

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Technical Data

Switchgear installation

Room planning

Switchgear installation

Wall-standing arrangement– Single row– Double row (for face-to-face

arrangement)

Room dimensions

See opposite dimensiondrawings

Door dimensions

The door dimensionsdepend on the– Number of panels in a

transport unit– Design with or without

low-voltage compartment

Switchgear fastening

• For floor openings andfixing points of the switch-gear, see page 40

• Foundations:– Steel structure– Steel-reinforced concrete

Panel dimensions

See pages 33 to 39

Weight

The weight of a panel dependson the extent to which it isequipped (e.g. with motoroperating mechanism, voltagetransformer). For details,please refer to page 7.

1 Relief opening

2 Direction of pressure relief

3 Pressure relief of switchgear

4 Room height

5 Individual panel depth

6 Panel depth including end wall

7 Control aisleControl aisle of 800 mm width (= minimumrequirements according to IEC 61 936 andVDE 0101) permissible. When extendingor replacing panels, it might be necessary –depending on the room dimensions – todisassemble the respective neighbouringpanels.

8 Option: Floor cover

9 Cable

10 Foundation

11Height of cable basement corresponding tocable bending radius

12 Wall distance

13 Side wall distance

14 Installation flush with rear wall

15 Panel width

16 End wall

17 Depth of pressure relief duct

18 Option: For free-standing arrangementpressure relief duct for each panel for ratedshort-time withstand current Ik w 20 kA

19 Option: Front cover

20 Option: Low-voltage compartment

21 Option: High end wall

Room planning

Plan view Plan view

Wall-standing arrangement (side view) Free-standing arrangement (side view)

Cable basement Cable basement

Switchgear room Switchgear room

* Switchgear height 2100 mmif height of low-voltagecompartment 350 mm;switchgear height 2300 mmif height of low-voltagecompartment 550 mm

** Depending on bending radius ofcable

Siemens HA 41.21 · 2005 7


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Transport unitsfor shipping (plan view)

1) The net weight and the grossweight depend on the extentto which it is equipped(e.g. current transformers, motoroperating mechanisms) and aretherefore given as mean value

* Low-voltage compartment,350 mm high, weight approx.60 kg depending on thepanel type and on the extentto which it is equipped, oroptionally 550 mm high

With individual panel

With combinations of differentindividual panels

1 T1 = Depth of individual panel

2 Individual paneldimension B1 x T1

3 Transport unit,dimension B2 x T2

4 B3 = Overall width ofcombination of differentindividual panels

5 B2 = Width of thetransport unit

Shipping data

2) Sum of thenet weights ofindividual panels

Individual panelor combinationsthereof for standard switchgear(without pressure relief duct)

Paneltype

Panel or panelcombination

Transport unit (including packing)for standard panels (without pressure relief duct)

WidthB1mm

Netweight 1)approx. kg

with- / withoutLVC*/LVC*

WidthB2m

Height

mwith- / withoutLVC*/LVC*

DepthT2m

Volume

m3

with- / withoutLVC*/LVC*

Grossweight 1)approx. kgwith- / withoutLVC*/LVC*

Transport of individual panels

Ring-main panel RKRK1

375500

190 / 250210 / 270

1.081.08

1.95 / 2.3 1.40 2.95 / 3.48 250 / 310270 / 330

Ring-main panel for panel combinations RK-U 375 260 / 320 1.08 320 / 380

Cable panel K, K-EK1, K1-E

375500

190 / 250190 / 250

1.081.08

250 / 310250 / 310

Transformer panel TRTR1

375500

210 / 270230 / 290

1.081.08

270 / 330290 / 350

Circuit-breaker panel 630 A LS1, -ULS11, -U

750750

340 / 400340 / 400

1.081.08

410 / 460410 / 460

Circuit-breaker panel 1250 A– For connection of max. 2 cables– For connection of 3 cables

LS31LS32

750875

400 / 460460 / 520

1.081.08

470 / 520530 / 580

Bus sectionalizer panel 1250 A LT31 750 450 / 510 1.08 520 / 570

Bus sectionalizer panel 630 Awith vacuum circuit-breaker

LT10LT11

750750

320 / 380320 / 380

1.081.08

390 / 440390 / 440

Bus sectionalizer panel with1 three-position switch-disconnector

LT2LT2-W

750750

250 / 310310 / 370

1.081.08

320 / 370380 / 430

Bus sectionalizer panel with2 three-position switch-disconnectors

LT22LT22-W

750750

290 / 350350 / 410

1.081.08

360 / 410420 / 470

Billing metering panel ME1....ME1-H

750750

270 / 330330 / 390

1.081.08

340 / 390400 / 450

Busbarvoltage metering panel

ME3ME31-F

375500

210 / 270270 / 330

1.081.08

270 / 330330 / 390

Bus riser without transformerspanel with transformers

HF 375 170 / 230 1.08 230 / 290

HF 375 260 / 320 1.08 320 / 380

Busbarearthing panel

SE1SE2

375500

190 / 250270 / 330

1.081.08

250 / 310330 / 390

For individual panel Panelwidthmm

Additionalweightapprox. kg

Pressure relief ductfor free-standing arrangementof switchgear

375 30

500 40

750 60

875 70

Transport of combinations of different individual panels

Transport unit:–Standard: As individual panels arrangedside by side and not screwed together

–Option: As multi-panel transport unit,panels screwed together

Standard packing for:– Truck– Seaworthy crate, air freight

Overall width B3On request

B20.70 1.95 / 2.3

T21.40 1.91 / 2.25

w 875 mm 1.08 1.95 / 2.3 1.40 2.95 / 3.48 2) + 70 **w 1000 mm *** 1.20 1.95 / 2.3 1.40 3.28 / 3.86 2) + 80 **w 1500 mm 1.78 1.95 / 2.3 1.40 4.64 / 5.47 2) + 100 **w 2125 mm 2.33 1.95 / 2.3 1.40 6.36 / 7.50 2) + 120 **

Container packing w 875 mm 1.10 1.95 / 2.3 1.26 2.70 / 3.19 2) + 80 **w 2000 mm 2.20 1.95 / 2.3 1.26 5.41 / 6.38 2) + 120 **

Packing, transport (examples)

Packing Version For supply Transport

Panels mounted on wooden floorand covered with PE protection sheeting

Open In Europe Rail, truck

For container Overseas Ship + truck

Technical Data

** Packingweight

*** w 1125 mmon request

8 Siemens HA 41.21 · 2005


Product range overview

1) Metal-clad2) With additional make-proof earthing switch3) Type designation of vacuum circuit-breaker4) With 1 three-position switch-disconnector5) With 2 three-position switch-disconnectors6) With voltage transformer for busbar metering

Product Range

Paneltype

Panelwidth

RKRK1

375 mm500 mm

RK-U 375 mm

TRTR1

375 mm500 mm

KK1

375 mm500 mm

K-EK1-E

375 mm500 mm

LS1 750 mm

LS1-U 750 mm

LS11 750 mm

LS11-U 750 mm

LS31LS32

750 mm875 mm

LS31-U 750 mm

LT10 750 mm

LT11 750 mm

LT31 750 mm

LT2LT2-W

750 mm750 mm

LT22LT22-W

750 mm750 mm

ME1ME1-S

750 mm750 mm

ME1-KME1-KS

750 mm750 mm

ME1-H 750 mm

ME3ME31-F

375 mm500 mm

SE1 375 mm

SE2 500 mm

HF 375 mm

Panel designation

Ring-mainpanel 1)

asfeederastransfer

Transformerpanel 1)

asfeeder

Cable panel asfeeder

Cable panel 1) 2) asfeeder

Circuit-breaker panel 630 A 1)with 3AH5 3)

asfeederastransfer

Circuit-breaker panel 630 Awith 3AH6 3)

asfeederastransfer

Circuit-breaker panel 1250 Awith 3AH6 3)

asfeederastransfer

Bus sectionalizer panel 630 A 1)with 3AH5 3), for panel type HFBus sectionalizer panel 630 Awith 3AH6 3), for panel type HFBus sectionalizer panel 1250 Awith 3AH6 3), for panel type HFBus sectionalizer panel 630 A 1) 4)

5)

Billing meteringpanel

Standard

asend panel

Billing metering panelfor additional current transformerBusbar voltage meteringpanel 1)Busbar earthingpanel 1)

6)

Bus riser panel

Standard panels

Ring-main paneltype RK

Circuit-breaker paneltype LS1

Transformer paneltype TR

Circuit-breaker paneltype LS11

Cable paneltype K

Billing metering paneltype ME1

R-HA

41-0

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R-HA

41-0

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R-HA

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R-HA

41-0

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R-HA

41-0

75ep

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R-HA

41-0

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Column No.

Siemens HA 41.21 · 2005 9


Product Range

6)

6)

–

7)

7)

7)

• Basic equipment

° Additional equipment (option),further additionalequipment on request

– Not available

Equipment features

• • – • • – ° ° ° ° ° – – ° – ° ° – – ° ° ° ° ° ° RKRK1

• • – – • – ° ° ° ° ° – – ° – – ° – – ° – ° • ° – RK-U

• • – • • ° ° ° ° ° ° – – – ° • ° – – ° – ° ° ° ° TRTR1

• – • • • – – – – – – – – – – ° ° – – – ° ° ° ° ° KK1

– • – • • – ° ° ° ° ° – – – – ° ° – – ° ° ° ° ° ° K-EK1-E

• • – • • – ° ° ° ° ° ° – ° – ° ° ° ° ° ° ° ° ° ° LS1

• • – – • ° ° ° ° ° ° ° – ° – – ° ° ° ° – ° • ° – LS1-U

• • – • • ° ° ° ° ° ° ° ° 5) ° – ° 6) ° ° ° ° ° ° ° ° ° LS11

• • – – • ° ° ° ° ° ° ° ° ° – – ° ° ° ° – ° • ° – LS11-U

• • – • • ° ° ° ° ° ° • • 5) ° – ° 6) ° ° ° ° ° ° ° ° ° LS31LS32

• • – – • ° ° ° ° ° ° • • ° – – ° ° ° ° – ° • ° – LS31-U

• • – – • ° ° ° ° ° ° ° ° ° – – ° ° ° ° – ° • ° – LT10

• • – – • ° ° ° ° ° ° ° • ° – – ° ° ° ° – ° • ° – LT11

• • – – • ° ° ° ° ° ° • • ° – – ° ° ° ° – ° • ° – LT31

• • • – • – ° ° ° ° ° – – ° – – ° – – ° – ° • ° – LT2LT2-W

• • – – • – ° ° ° ° ° – – ° – – ° – – ° – ° • ° – LT22LT22-W

– – • – • – – – – – – – – – – ° ° – – – – ° • ° – ME1ME1-S

– – • • • – – – – – – – – – – ° ° – – – – ° ° ° ° ME1-KME1-KS

– – • – • – – – – – – – – – – ° ° – – – – ° • ° – ME1-H

• • – – • – ° ° ° ° ° – – – ° ° ° – – ° – ° • ° – ME3ME31-F

• • – – • – ° ° ° – – – – – – – ° – – ° – ° • ° – SE1

• • – – • – ° ° ° – – – – – ° – ° – – ° – ° • ° – SE2

– – • – • – – – – – – – – – – – ° – – – – ° • ° – HF

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Panel type

5) Not to be applied for versions with separate feeder earthing switch inpanel types LS11, LS31 and LS32

6) Inspection window is a standard equipment in panel types LS11, LS31and LS32 for versions with separate earthing switch

7) Panel heating: wired on terminal (standard).Option: version with thermostat.

1) Three-position switch as three-position switch-disconnector2) Three-position switch as three-position disconnector in panel

types LS31, LS31-U, LS32 and LT313) Type designation of the vacuum circuit-breaker4) In special cases, deeper floor cover for panels

with cable feeder required

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10 Siemens HA 41.21 · 2005


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Ring-main panels

Type RK-U375 mm wide

Ring-main panelsas feeder panels

either:Version withtransformers

Type RK375 mm wide

Type RK1500 mm wide

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Type LT10750 mm wide

Type RK1500 mm wide

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Ring-main panelas transfer panel for attachmentto panel types ME1... or ME1-H

or:Version withconnectionfittings

For other panel combinations


With3AH5vacuumcircuit-breaker,fixed-mounted

With3AH6vacuumcircuit-breaker,with-drawable

Bus sectionalizer panel type LT10 withring-main transfer panel type RK-U


Type LT11750 mm wideBus sectionalizer panel type LT11 withring-main transfer panel type RK-U(non-interchangeable arrangement)

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Standard:transferto theright

Option:transferto theleft

The ring-main transfer panelRK-U can be attached on theleft or right of the bussectionalizer panel LT10

Product Range

* On request up to 12 kV

P1 and P2are terminaldesignationsof the currenttransformer

** On request:only 1 set of voltagetransformers possible

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Capacitivevoltage detectionsystem

Voltage transformere.g. 4MR, 1-pole,cast-resin insulated

Cable (notincluded in thescope of supply)

2nd cable (notincluded in thescope of supply)

Surgearrester

Block-typecurrent transformer4MA,cast-resin insulated

Cable-typecurrent transformere.g. 4MC703 . . .

Three-phasecurrent transformer4MC63 . . .

3AH5 vacuumcircuit-breaker

Three-positionswitch-disconnector



On request:voltage transformere.g. 4MR, 2-pole,cast-resin insulated,only up to 17.5 kV

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Siemens HA 41.21 · 2005 11


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Transformer panelsas feeder panels

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Cable panelsas feeder panels, 630 A

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Transformer and cable panels

Type K375 mm wide

Type TR375 mm wide

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Type TR1500 mm wide

Cable panelsas feeder panels, 630 A, withmake-proof earthing switch

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Type K1500 mm wide

Type K1-E500 mm wide

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HV HRC fuse


Make-proofearthing switch

Earthingswitch


Fixedearthing point

Cable-typecurrent transformer,e.g. 4MC703 . . .





2nd cable (notincluded in thescope of supply)

Surgearrester HA

41-2

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Type K1500 mm wide

Type K1-E500 mm wide

as feeder panels630 A and 1250 A

Product Range

* Current transformerlocated partlyunderneath the panel

** On request up to 12 kV

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as feeder panels630 A and 1250 A

12 Siemens HA 41.21 · 2005


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Circuit-breaker panels

Circuit-breaker panels 630 Aas feeder panels

as transfer panels for attachmentto panel types ME1... or ME1-H

Type LS1750 mm wide

Type LS1-U750 mm wide

* On request

** Standard: Feeder earthingvia the 3AH6 vacuum circuit-breakerwith interlocks (without earthing switch)

B Mounting position of the currenttransformer with terminal P1 at the top only

P1 and P2 are terminal designationsof the current transformer

With 3AH5 vacuum circuit-breaker,fixed-mounted



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Type LS31750 mm wide

With 3AH6vacuum circuit-breaker,withdrawable


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With 3AH5vacuum circuit-breaker, fixed-mounted

With 3AH6vacuum circuit-breaker, withdrawable


as transfer panel for attachmentto panel types ME1... or ME1-H

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Standard:transferto theright

Option:transferto theleft

Transferpossibleonly tothe right



Three-positiondisconnector


Cable-typecurrent transformere.g. 4MC703 . . .


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Transferpossibleonly tothe right

Circuit-breaker panels 1250 Aas feeder panels

forconnectionof max.2 cables

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forconnectionof max.3 cables(4 cables *)

With 3AH6vacuum circuit-breaker,withdrawable


Product Range


Addit. cables (notincluded in thescope of supply)

Surge arrester

Capacitive voltagedetection system

Fixedearthing point HA

41-2

390c

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Siemens HA 41.21 · 2005 13


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Bus sectionalizer panels 630 Ain combination with bus riser panel

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Type HF375 mm


Type HF375 mm wide


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Type HF375 mm wide


Type LT2750 mm wide

Bus sectionalizer panels 630 Awith 1 three-position switch-disconnector

Type LT2-W750 mm wide

with 2 three-position switch-disconnectors


Type LT22-W750 mm wide

Pane

ltyp

eH

Fat

tach

edon

the

right

Bus sectionalizer panels

With3AH5vacuumcircuit-breaker,

fixed-mounted

corresponds to type RK-Uwith type HF

Type HF375 mm wide


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corresponds to type RK-Uwith type RK-U

corresponds to type RK-Uwith type RK-U

corresponds to type RK-Uwith type HF

With3AH5vacuumcircuit-breaker,

fixed-mounted

With3AH6vacuumcircuit-breaker

with-drawable

Bus sectionalizer panel 1250 Ain combination with bus riser panel

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with-drawable

Product Range




Three-positiondisconnector





Fixedearthing point HA

41-2

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14 Siemens HA 41.21 · 2005


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Billing metering panels

Billing metering panels630 A and 1250 AStandard

Type ME1750 mm wide

Standard **:Transfer to the right

Type ME1-S750 mm wide

Billing metering panels630 A and 1250 Afor busbar connection

Type ME1750 mm wide


Type ME1750 mm wide


Type ME1750 mm wide


Type ME1-H750 mm wide


Billing metering panels630 A and 1250 Afor additional transformer

HA41

-239

0cep

s


On request:Voltage transformer,e.g. 4MR, 1-pole,cast-resin insulatedwith HV HRC fuse


Fixedearthing point

Fixed earthingpoint forbusbar earthing














Voltage transformer,e.g. 4MR,1- or 2-pole,cast-resin insulated

Scheme 1 Scheme 1 Scheme 1

Scheme 2 *** Scheme 2 *** Scheme 2 ***


Scheme 4 *** Scheme 4 *** Scheme 4 ***

Product Range

* On request

** Option:Transferto the left

*** Transformerterminalsinterchanged


Siemens HA 41.21 · 2005 15




HA41

-239

0cep

s


Fixedearthing point

Voltage transformer,e.g. 4MR,1- or 2-pole,cast-resin insulated

Billing metering panels, busbar voltage metering panels,busbar earthing panels and bus riser panels

HV HRC fuse

* On requestup to 12 kV

** Connectionfor 3 cablespossible

B Option:Transferto the left

BB Forattachmentto left orrightring-mainpanelstype RK-U

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Billing metering panels630 A and 1250 A **for cable connection

Type ME1-K750 mm wide

Standard B):Transfer to the right

Type ME1-KS750 mm wide

Billing metering panels630 A and 1250 A **for busbar connection

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Type ME31-F500 mm wide

Type ME3375 mm wide

Busbar voltagemetering panels




Type SE1375 mm wide

Type SE2500 mm wide

Bus riser panels630 A and 1250 A

Type HF BB)375 mm wide

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Transformerterminalsinterchanged




Busbarearthing panels


Earthing switch





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as right or leftend panel




Voltage transformer,e.g. 4MR, 1-polecast-resin insulated


Product Range

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16 Siemens HA 41.21 · 2005


Panel design (examples)

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Ring-main panel as feeder Transformer panel as feeder

Billing metering panel Legend for pages 16 and 17

1 Option: Low-voltage compartment

2 Niche for optional low-voltage equipment,cover can be unscrewed

3 Option: CAPDIS voltage detection system

4 Option: Short-circuit /earth-fault indicator

5 Option: Ready-for-service indicatorfor switching device

6 Switch position indication for load-breakfunction “CLOSED – OPEN“

7 Switch position indication for earthingfunction “OPEN – EARTHED“

8 Feeder designation label

9 Mimic diagram

10 Option: Sockets for capacitive voltage detection system(depending on arrangement)

11 Option: Momentary-contact rotary control switch“CLOSED – OPEN“ for motor operating mechanismwith local-remote switchfor three-position switch-disconnector

12 Option: Locking device for three-positionswitch-disconnector

13 Pressure relief device for switching device

14 Manual operation for the mechanism ofthe earthing function

15 Manual operation for the mechanism ofthe load-break function

16 Rating and type plate

17 Gas-insulated vessel for switching device

18 Interlocking of the cable compartment cover

19 Bushing-type insulator for busbar

20 Bushing-type insulator for feeder

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Type RK Type TR

Type ME1

Section Section

Section

Design

Siemens HA 41.21 · 2005 17


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Panel design (examples)

Circuit-breaker panel (with 3AH5 vacuum circuit-breaker) 21 Insulating sleeve (e.g. for Up > 95 kV)

22 Cable bracket with clamps (option) for fastening cables

23 Busbar

24 Insulating cap * on busbar

25 Spring-operated mechanism forthree-position switch-disconnector

26 Spring-operated/stored-energy mechanism forthree-position switch-disconnector

27 Three-position switch-disconnector

28 Cable connection

29 Cable compartment cover

30 Earthing connection (for location see dimension drawings)

31 Earthing switch for cable connection

32 Inspection window

33 Post insulator

34 Insulating sleeve

35 Option: HV HRC fuse link

36 Option only for panel types LS11 ... and LT11 ...:Logical mechanical interlocking between circuit-breaker“OPEN“ and three-position switch-disconnector andlocking device for three-position switch-disconnector

37 Option: ME1- fuse box for voltage transformer

38 Cover, screwed on

39 4MR voltage transformer

40 4MA7 block-type current transformer

Vacuum circuit-breaker:

41 3AH5 vacuum circuit-breaker, fixed-mounted

42 3AH6 vacuum circuit-breaker, withdrawable

43 Operating mechanism box

44 Manual operation– for closing with manual operating mechanism– for emergency operation with motor operating

mechanism

45 Mechanical “OFF“ pushbutton

46 Mechanical “ON“ pushbutton(not supplied with spring-operated mechanism)

47 “Spring charged“ indicator

48 Operating cycle counter

49 Switch position indication

50 Option: Three-phase current transformer 4MC63 53

51 Option: Overcurrent-time protection relaySIPROTEC easy 7SJ45

52 Option: Multifunction protection relay SIPROTEC 4 7SJ62

53 Cover * for screwed gland of cable connections

54 Insulating cap * on bushing-type insulator

55 Option: Wiring duct, removable,for control cables and/or bus wires

56 Logical mechanical interlocking for three-position switch

57 Earthing busbar

58 Metal compartmentalization of busbar compartment

59 Metal compartmentalization of cableconnection compartment

60 Busbar compartment cover for panel extension

61 Cable sealing end (not included in scope of supply)

62 Option: Feeder earthing via make-proof earthing switch

63 or feeder earthing via vacuum circuit-breaker (= lockingdevice for feeder earthed when circuit-breaker “CLOSED“)

64 Interlocking of cable compartment cover incircuit-breaker panels

65 Cover for transformer connection compartment

* For example for Up W 95 kV, Ur W 15 kVType LS11 Section

Circuit-breaker panel (with 3AH6 vacuum circuit-breaker)

Type LS1 Section

Design

18 Siemens HA 41.21 · 2005


Common features

• Circuit-breakers withvacuum interrupters

• Stored-energy spring-operated mechanism for10,000 operating cycles

• Maintenance-free for in-door installation accordingto IEC 60 694 /VDE 0670 -1000, sub-sequently IEC 62 271-1*

• Individual secondaryequipment

Switching duties andoperating mechanisms

The switching duties of thevacuum circuit-breaker aredependent, among otherfactors, on its type of oper-ating mechanism. Threeoperating mechanismversions are available:

• Motor operating stored-energy mechanism

– For auto-reclosure (K),– For synchronization and

rapid load transfer (U)

• Manual operating stored-energy mechanism

– For auto-reclosure (K)

• Manual spring-operatedmechanism(= spring CLOSED,stored-energy OPEN)

– Not for auto-reclosure (K)– For normal closing and– For storage of one

opening

Trip-free mechanism

• The vacuum circuit-breakers are fitted with atrip-free mechanismaccording toIEC 62 271-100 /VDE 0671-100


3AH5 vacuum circuit-breaker

• Metal-enclosed

• Up to 630 A

• Pole parts with vacuuminterrupters fixed-mountedin hermetically welded,gas-filled switchgear vessel

• System-conforming usewith three-position switchin gas-insulated switchgearvessel

• Operating mechanismarranged outside theswitchgear vessel andbehind the control board

• Air-insulated primaryterminals

Installation in metal-cladpanels

• Feeder panels type LS1,panel width 750 mm

• Transfer panels type LS1-U,panel width 750 mm

• Bus sectionalizer panelstype LT10 (for adjacent busriser panel type HF),panel width 750 mm

3AH6 vacuum circuit-breaker

• Withdrawable 1) lateral-mechanism circuit-breaker,air-insulated

• Up to 1250 A

• Circuit-breaker polesarranged one behind theother

• Operating mechanism inseparate box behind lowerpanel cover

• Logical mechanical inter-locking between 3AH6vacuum circuit-breaker andthree-position switch

• Installation in:– Feeder panel type LS11,

panel width 750 mm– Transfer panel type LS11-U,

panel width 750 mm– Bus sectionalizer panels

type LT11 and LT31 (foradjacent bus riser paneltype HF), panel width750 mm

– Feeder panel type LS31(for connection ofmax. 2 cables),panel width 750 mm

– Feeder panel type LS32(for connection of 3 cables;4 cables on request),panel width 875 mm

3AH5vacuum circuit-breaker(operating mechanism box open)

Abbreviations for switchingduties and applications:

U = Synchronization andrapid load transfer(make time w 90 ms)

K = Auto-reclosure

R-HA

41-0

66ep

s

1

2

3

4

5


1) Withdrawable after looseningthe respective contactconnections and fixing bolts

1 Operating mechanism box


3 Switchgear vessel, gas-filled, with3AH5 vacuum circuit-breaker andthree-position switch-disconnector

R-HA

41-0

68ep

s 9

8

7

3AH6vacuum circuit-breaker

6

Components

4 Spring-operated mechanism ofthree-position switch-disconnector


6 Location for three-phase currenttransformer (option)

For further details, please referalso to Catalog HG 11.11“3AH Vacuum Circuit-Breakers“

11

10

7 Operating mechanism boxwith control elements

8 Circuit-breaker poles withvacuum interrupters

9 Truck

10 Locking device (standardwhen earthing the feeder withclosed 3AH6 vacuum circuit-breaker)for the 3AH6 vacuum circuit-breakerin switch position “CLOSED”with three-position switchin switch position “EARTHED“

11 Logical mechanical interlockingbetween vacuum circuit-breakerand three-position switch(prevents switching of all threeswitch positions).Option for 630 A panel types with:3AH5: LS1, LS1-U, LT103AH6: LS11, LS11-U, LT11Standard for 1250 A panel types with:3AH6: LS31, LS31-U,

LS32 and LT31.

Siemens HA 41.21 · 2005 19



Operating mechanismelements of the3AH6 vacuum circuit-breaker

Operating mechanism elements

1 Gear

2 Coupling on gear for operationwith hand crank– For closing with manual

spring-operated mechanism– For charging the closing

spring with stored-energymechanism

3 Closing spring

4 Motor (M1 *)

5 “Closing spring charged” indicator

6 Circuit-breaker “OPEN”

7 Circuit-breaker “CLOSED”

8 Operating rod

Operating mechanismfunctions

Motor operating mechanism 1)(M1 *)

In the case of the motor operat-ing mechanism, the closingspring is charged by means ofa motor and latched in thecharged position (the “springcharged” indication is visible).Closing is effected either bymeans of an ON pushbutton ora closing solenoid. The closingspring is recharged automati-cally (for auto-reclosure).

Manual operating stored-energy mechanism

The closing spring is chargedby means of the supplied handcrank until latching of theclosing latch is indicated(= “spring charged” indication).

Subsequently the vacuumcircuit-breaker can be closedeither manually or electrically.The closing spring can be re-charged manually. The “possibil-ity to close” is thus stored oncemore (for auto-reclosure).

Manual spring-operatedmechanism(= spring CLOSED,stored-energy OPEN)

The closing spring of the vacuumcircuit-breaker is charged bymeans of the supplied handcrank until the vacuum circuit-breaker closes. Subsequentlyeither manual or electrical open-ing is possible.

Vacuum circuit-breakers withspring-operated mechanism arenot suitable for auto-reclosure.

1) Motor rating at24 V to 220 V DC: 350 W110 V and 220 V AC: 400 VA

2) With closing solenoid

* Equipment code

Abbreviations:

O = OPEN operation

CO = CLOSE operation with subse-quent OPEN operation at theshortest internal close-open timeof the vacuum circuit-breaker

t = Dead time 0.3 s

t ‘ = Dead time 3 min

Operating mechanismelements of the3AH5 vacuum circuit-breaker

6

4

3

1R-

HA41

-080

eps

2

8

7

R-HA

41-0

69ep

s

2

1

3

47

8

6

Differences between the vacuum circuit-breakers depending on the operating mechanism version

Operatingmechanism version

Motor operatingstored-energy mechanism

Manual operatingstored-energy mechanism

Manual spring-operatedmechanism

Typical uses Utility substationsand industrial plants

Classic transfer substationsand substations withoutauxiliary voltage supply

Simple utility substations(circuit-breaker astransformer switch)

Mechanismfunction

Stored-energy CLOSED,stored-energy OPEN

Stored-energy CLOSED,stored-energy OPEN

Spring CLOSED,stored-energy OPEN

Mechanismoperation

With motor 1), manual(emergency) operationat the panel includinganti-pumping

With handcrank

With handcrank

Closing thevacuumcircuit-breaker

Electrically 2) ormechanically at the panelwith pushbutton

Mechanically at the panelwith pushbutton, option:electrically 2)

Mechanically at the panelwith hand crank(charging process)

Closing solenoid,e.g. for remoteelectrical closing

Always provided, withelectrical signal“closing spring charged”

Option Without

Rated switchingsequence

O-t-CO orO-t-CO-t’-CO

O-t-CO O or CO

Auto-reclosure (K)

Suitable (multipleauto-reclosure possible)

Suitable (only with closingsolenoid)

–For further details, please refer also toCatalog HG 11.11 “3AH VacuumCircuit-Breakers“

5

5

Components

20 Siemens HA 41.21 · 2005


Secondary equipment of the 3AH5 and 3AH6 vacuum circuit-breakers

The scope of the secondaryequipment of the 3AH vacu-um circuit-breaker dependson the type of applicationand offers a wide range ofvariations, thus allowingeven the highest require-ments to be satisfied.

Closening solenoid

• Type 3AY15 10 (Y9 *)

• For electrical closing

Shunt releases

• Types:– Standard: 3AY15 10 (Y1 *)– Option: 3AX11 01 (Y2 *),

with energy store

• Tripping by protection re-lay or electrical operation

Current transformer-operated release

• Type 3AX11 04 (Y6 *) fortripping pulse W 0.1 Ws inconjunction with suitableprotection systems, e.g.7SJ4 protection relay,SEG relay (other designson request)

• Used where no externalauxiliary voltage is avail-able, tripping by protec-tion relay

Undervoltage release

• Type 3AX11 03 (Y7 *)

• Comprising:– Energy store and

unlatching mechanism– Electromagnetic system,

to which voltage ispermanently applied inthe CLOSED position ofthe vacuum circuit-breaker;tripping is initiated whenthis voltage drops

• Connection to voltagetransformer possible

Position switch

• Type 3SE4 (S4 *)

• For signalling “closingspring charged“

• Only in conjunction withstored-energy mechanisms

Secondary equipment of the 3AH6vacuum circuit-breaker (typical example)

Anti-pumping (standard)(mechanical and electrical)

• Function: If CLOSE andOPEN commands are ap-plied simultaneously andcontinuously to the vacuumcircuit-breaker, this revertsto its OPEN position afterclosing. The circuit-breakerremains in this position untilthe OPEN command is eli-minated and a new CLOSEcommand is given. Thuscontinuous closing and ope-ning (= pumping) is avoided.

Breaker tripping signal(standard)

• For electrical signalling(as pulse > 10 ms), e.g. toremote control systems,in the case of automatictripping (e.g. protection)

• Via NO contact (S6 *)and cut-out switch (S7 *)

Varistor module

• As overvoltage protectionfor protection devices inconjunction with inductivedevices in the vacuumcircuit-breaker (limiting toapprox. 500 V)

• Recommended for auxil-iary voltages W 60 V DC

Auxiliary switch

• Type 3SV9 (S1 *)

• Standard: 6NO+6NC,of which 2NO+2NC+2 changeover contactsare free 1)

• Option: 12NO+12NC, ofwhich 7NO+4NC+2 change-over contacts are free 1)

Mechanical interlocking

• Dependent on the typeof operating mechanism:

– Spring-operatedmechanism or

– Stored-energy mechanism

• Option:Switchgear interlockingwith the three-positionswitch-disconnector

For further details concer-ning interlocking functions,refer to page 26.

For further details, please refer also toCatalog HG 11.11 “3AH Vacuum Circuit-Breakers“

1) For utilizationby thecustomer

Abbreviations:NO = normally-open contactNC = normally-closed contact

* Equipmentcode

Basic equipment

1 Auxiliary switch 6NO+6NC (S1 *),option: 12NO+12NC

2 1st release (Y1 *)

Additional equipment

3 Position switch (S4 *)

4 Closing solenoid (Y9 *)

5 Operating cycle counter

6 2nd release(e.g. Y2 *, Y6 * and Y7 *)

7 Mechanical interlockingwith interrogationof the three-positionswitch-disconnector

1

1

2

5

6

2

7

4

3

5

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4

3

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s

Components

Secondary equipment of the 3AH5vacuum circuit-breaker (typical example)

Siemens HA 41.21 · 2005 21


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Three-position switches as three-position switch-disconnectors or disconnectors

Common features

• Metal-enclosed

• Located in agas-insulatedswitchgear vessel

• Switch positions:CLOSED-OPEN-EARTHED

• No cross insulationbetween phases

• Three-position switchwith air-insulatedprimary connectionsfor busbar and feeder

• Operation via agas-tight welded-in me-tal bellows in the frontof the switchgearvessel

Mode of operation

The switch shaft with themoving contact piecesrotates inside the cham-ber containing the fixedcontact pieces.

Compression vanes,which rotate in conjunc-tion with the switchshaft, divide the arcingchamber into two sub-chambers each of whichchanges in conjunctionwith the rotation.

During the switchingmovement, the compres-sion vanes generate apressure difference be-tween the subchambers.The SF6 gas flowsthrough a nozzle, causesa directional blow-out ofthe breaking arc andquenches it rapidly.

Interlocking is not neces-sary as the “CLOSED”and “EARTHED” func-tions cannot be imple-mented simultaneously.


2 Switchgear vessel for gas insulation

3 Three-position switch-disconnector


5 Spring-operated mechanism with detachable lever

6 Mounting location for three-phase current transformer (option)

Detachable lever mechanismwith three-position switch-disconnector

Three-positionswitch-disconnector630 A

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57ep

s

1

2

3

4

7 Operating lever, inserted

Three-positionswitch-disconnector 630 A

• Up to 630 A

• With gas-insulated,maintenance-free quench-ing principle

Operating mechanism

• Spring-operated mechanismwith detachable lever

• Manual operation with theaid of a detachable lever

• Options:– Mechanical ready-for-

service indication– Auxiliary switch– Motor operating mechanism

for switch-disconnector– Locking device

• Spring-operated/stored-energy mechanism fortransformer panel types TR,TR1 and ME31-F

Interlocks

• Opening of lower panelcover or cable compartmentcover only in “EARTHED“position

• Option: Logical mechanicalinterlocking of three-positionswitch-disconnector withvacuum circuit-breaker

Three-positiondisconnector 1250 A

• Up to 1250 A, for paneltypes LS31, LS31-U, LS32and LT31

• Metal-enclosed

Operating mechanism

• Spring-operated mechanismwith detachable lever

• Manual operation by adetachable lever

• Options:– Mechanical ready-for-

service indication– Auxiliary switch– Motor operating mecha-

nism for disconnector– Locking device

Interlocks

• Opening of lower panelcover or cable compartmentcover only in “EARTHED”position

• Logical mechanicalinterlocking with vacuumcircuit-breaker

Switch positions:

EARTHED

OPEN

CLOSED

5

6

Switching functions of thethree-position switch-disconnector630 A

• Switching and disconnecting underload

• Switching function as general purposeswitch-disconnector (class E3 and M1)according to

– IEC 60 265-1– VDE 0670-301– IEC 62 271-102– VDE 0671-102

• Make-proof earthing function

Switching functions of thethree-position disconnector1250 A

• Disconnecting

• Switching functions according to– IEC 62 271-102– VDE 0671-102

• Earthing function

• For panel types LS31, LS31-U,LS32 and LT31

Note: Standards see page 41

asthree-positionswitch-disconnector630 A

asthree-positiondisconnector1250 A

Components

22 Siemens HA 41.21 · 2005


Busbars, HV HRC fuse assembly

Busbar compartment extending over 3 panels (example)Side view

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Busbars

• Safe-to-touch due tometallic enclosure

• Metal-clad busbarcompartment

• Three-pole design,bolted from panel topanel

• Easy switchgearextension

• Made of copper:– Fl E-Cu for w 630 A– Rd E-Cu for > 630 A to

1250 A

• Versions:– 630 A, > 12 kV:

With insulating shrink-onsleeve

– 1250 A, up to 24 kV:Rd E-Cu bare

HV HRC fuse assembly

• For transformer paneltypes TR and TR1

• For busbar voltage meter-ing panel type ME31-F

• HV HRC fuse linksacc. to DIN 43 625 (maindimensions) with strikerpin; version “medium”acc. to IEC 60 282/VDE 0670-4 *

– As short-circuit protec-tion before transformers

– With selectivity (depend-ing on correct selection)to upstream and down-stream connected equip-ment

• Requirements fulfilled asHV alternating currentswitch fuse combination

• Selection of HV HRCfuses for transformers

• Fuse replacement possi-ble only when feeder isearthed

• Option: Shunt release onoperating mechanism ofthree-position switch-disconnector

• Option: “Tripped indica-tion” of three-positionswitch-disconnector intransformer feeder (trans-former switch) for remoteelectrical indication withone normally-open con-tact (1NO)

“HV HRC fuse tripped”

Following the tripping of anHV HRC fuse link, the me-chanism for charging thespring must be set to the“OPEN” position

Subsequently, earthing canbe implemented by meansof the three-positionswitch-disconnector ande.g. the fuse can bereplaced.

Replacement of HV HRCfuse links

• Isolating and earthing ofthe transformer feeder

• Subsequent manualreplacement of theHV HRC fuse link

2

3

1

1 Busbar

2 Insulating cap (e.g.for Ur > 17.5 kV) onbusbar

3 Bushing-typeinsulator for busbar

Busbars

HV HRC fuse assembly

6

4

5

8

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52ep

s

4 Insulating sleeve

5 HV HRC fuse(not included in thescope of supply)

6 Earthing switch (ratedshort-circuit makingcurrent Ima = 4 kA)for cable connection

7 Cover for boltedcable lug connection(e.g. for rated voltageUr = 24 kV)

8 Cable sealing end(not included in thescope of supply)

HV HRC fuses in transformer panel type TRSide view

7

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71ep

s

Control board of a transformer feeder

“CLOSED“ indi-cation, manual ormotor operation

Indication “HVHRC fuse tripped”or “shuntrelease tripped”

“OPEN” indication


Components

Siemens HA 41.21 · 2005 23


Allocation of HV HRC fuses and transformers

The table opposite shows therecommended 3GD HV HRCfuse links (electrical data validfor ambient temperatures of upto 40 oC) for the fuse pro-tection of transformers

Recommendation

The three-position switch-disconnector in the trans-former feeder (transformerswitch) was combined withSiemens HV HRC fuse linksof type 3GD and tested *.

Standards

HV HRC fuse links withstriker pin, “medium“ versionaccording to

• IEC 60 282-1 */ VDE 0670-4 *

• IEC 60 787 / VDE 0670-402

• DIN 43 625 main dimensions


Components

Ratedsystemvoltage

kV

TransformerRating SN

kVA

Relativeimpedancevoltage uk

%

Ratedcurrent I1

A

Rated normal current of the HV HRC fuse

Lowest Highestvalue value

A A

6 to 7.2 5075

100

444

4.87.29.6

161620

161625

125160200

444

12.015.419.2

253240

253240

250315400

444

24.030.338.4

505063

5063

100

500630800

445 to 6

48.061.077.1

6380on request

100100on request

10 to 12 5075

100

444

2.94.35.8

101016

101016

125160200

444

7.29.3

11.5

162025

162025

250315400

444

14.518.323.1

253240

324050

500630800

445 to 6

29.036.446.2

506363

638080

100012501600

5 to 65 to 65 to 6

58.072.392.5

80100125

100100125

13.8 5075

100

444

2.13.24.2

61010

61010

125160200

444

5.36.78.4

161616

161620

250315400

444

10.513.216.8

202532

253232

500630800

445 to 6

21.026.433.5

405050

505050

10001250

5 to 65 to 6

41.952.4

6380

6380

15 to 17.5 5075

100

444

1.92.93.9

61010

61010

125160200

444

4.86.27.7

101616

101620

250315400

444

9.712.215.5

202532

252532

500630800

445 to 6

19.324.330.9

324050

405050

10001250

5 to 65 to 6

38.548.2

6363

6380

20 to 24 5075

100

444

1.52.22.9

66

10

66

10

125160200

444

3.64.75.8

101016

101016

250315400

444

7.39.2

11.6

162020

162025

500630800

445 to 6

14.518.223.1

253232

324032

100012501600

5 to 65 to 65 to 6

29.036.046.5

405063

405080

2000 5 to 6 57.8 80 80

24 Siemens HA 41.21 · 2005


Manual operatingmechanism

• Standard:As detachable levermechanism

• Option: Different operatinghandles1) for the operatingmechanism of the three-position switch

• Spring-operated mecha-nism

– For ring-main paneltypes RK and RK1

– For all three-positionswitches (except in paneltypes TR and TR1)

• Spring-operated /stored-energy mechanismFor transformer paneltypes TR and TR1 as wellas for busbar voltage me-tering panel type ME31-F

The three-position switch isoperated via a rocker withmetal bellows which isgas-tight and welded at theswitchgear vessel.

Motor operatingmechanism (option)

The manual operating me-chanisms can be equippedwith motor operating mecha-nisms both for the three-position switch-disconnectorand for the three-positiondisconnector.

Operating voltages for motoroperating mechanisms:– 24, 48, 60, 110, 220 V DC– 50/60 Hz 110 and 230 V AC

Electrical operation:

• Standard: Remote opera-tion (applied to terminal)

• Option: Local operationby momentary-contactrotary control switch

Shunt release (option)

Spring-operated/stored-en-ergy mechanisms can beequipped with a shunt re-lease. Remote electricaltripping of the three-positionswitch-disconnector is possi-ble via the magnetic coilof the shunt release, e.g.transformer overtemperaturetripping.

To avoid thermal overloadingof the shunt release in theevent of a continuous signalthat may be applied, theshunt release is switched offvia an auxiliary switch whichis mechanically coupled withthe three-position switch-disconnector.

Auxiliary switch (option)

Each operating mechanismof the three-position switch-disconnector can be option-ally equipped with an auxil-iary switch for the switchposition indication:– Function switch-discon-

nector or disconnector:CLOSED and OPEN:2NO + 2NC

– Function earthingswitch at thethree-position switch:CLOSED and OPEN:2NO + 2NC

– Separate earthing switch(at the feeder):CLOSED and OPEN:2NO + 2NC

Operating mechanisms for three-position switches

Operating mechanisms (examples)

Detachable lever mechanismas spring-operated mechanismfor ring-main feeders

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79ep

s

1 Terminal strip locatedin the low-voltageniche (optionally inthe low-voltagecompartment)

2 M.c.b. (option)in the low-voltageniche

3 Local-remote switch(option)

4 Actuation for themotor operatingmechanism of thethree-positionswitch-disconnector

5 Auxiliary contactorsof the motor operatingmechanism for lockingthe motor

6 Auxiliary switch

7 Switch positionindicator for thethree-positionswitch-disconnector

8 Locking device(standard for motoroperating mechanism)

9 Operating mechanismfor the three-positionswitch-disconnectorcoupled with the motoroperating mechanism

10 Shunt release (option)

11 Motor operatingmechanism

R-HA

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70ep

s

Operating mechanism parts intransformer feeder

6

8

7

9

10

11

5

4

3

2

1

Components

Abbreviations:

NO = normally-open contactNC = normally-closed contact

1) According toVDN*/ VDEW**recommendation

* Association of Germannetwork operatorsVDN e.V. in Germany(as of 2003)

** Association ofGerman Power Stations –VDEW e.V.(until 2003)

Technical data of the auxiliary switch

Breaking capacity

AC operation at40 Hz to 60 Hz

Operating Normalvoltage current

V A

DC operation

Operating Normal currentvoltage resistive inductive:

T=20 msV A A

up to 230 10 24 10 1048 10 960 9 7

110 5 4220 2.5 2

Rated insulationvoltage250 V AC/DC

Insulation groupC to VDE 0110

Continuous current10 A

Making capacity50 A

Rated switching capacity

Siemens HA 41.21 · 2005 25


Short-circuit/earth-faultindicator (option)

The ring-main feeders canbe equipped with a 3-phaseshort-circuit or earth-faultindicator:

• Optical signal when a pre-selected pickup value isexceeded

• With ring-type sensors

• Display panel, withdraw-able housing, dependingon the type

• Short-circuit pickup values:e.g. 400, 600, 800 or1000 A

Option: Remote electricalindication via contact (1NO +1NC contact, passing con-tact), applied to terminal

Ready-for-service indicator(option for three-positionswitch)

• Self-monitoring; easy toread

• Independent of tempera-ture and pressure varia-tions

• Independent of site altitude

• Only responds to changesin gas density

• Option: Alarm switch“1NO contact”

Mode of operation

For the ready-for-service indi-cator, a gas-tight measuringbox is installed on the insideof the switchgear vessel.

A coupling magnet, whichis fitted to the bottom endof the measuring box, trans-mits its position to an outsidearmature through the stain-less steel switchgear vessel.This armature moves theready-for-service indicator ofthe switchgear.

While changes in the gasdensity during the loss ofgas, which are decisive forthe insulating capacity, aredisplayed, temperature-dependent changes in thegas pressure are not. Thegas in the measuring box hasthe same temperature asthat in the switchgear.

The temperature effect iscompensated via the samepressure change in both gasvolumes.

Voltage detection systems

For voltage detectionaccording to IEC 61 243-5 /VDE 0682-415

Plug-in voltagedetection systems

• Standard: HR system

• Option: LRM system

Option: Integrated voltagedetection systems

• LRM system asCAPDIS-S1+ orCAPDIS-S2+ (auxiliarypower required)

Features of theHR/LRM system

• Voltage indicator– HR system (standard) or– LRM system (option)

• Verification of safe isolationfrom supply phase byphase through insertion ineach socket pair

• Voltage indicator flashesif high voltage is present

• For continuous operation

• Safe-to-touch

• Measuring system andvoltage indicator can betested

• Fixed-mounted capacitivevoltage divider in bushings

• Without auxiliary power

Features ofCAPDIS-S1+, -S2+

• Maintenance-free

• Integrated display,without auxiliary power

• Option: With remoteindication of the voltagestate (auxiliary powerrequired for CAPDIS-S2+)

Mounting of voltagedetection systems

See “Product range”pages 10 to 15

Verification of correct ter-minal-phase connections

• Possible by means of aphase comparison test unit(optional)

• Safe-to-touch handling ofthe phase comparison testunit by inserting it into thecapacitive taps (socketpairs) of the switchgear

Indicating and measuring equipment

Components

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��

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�

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Voltage indicator,HR system (standard)R-

HA40

-088

eps

R-HA

40-0

96ep

s

Short-circuit indicator ALPHA M

6 Measuring box

7 Magnetic coupling

8 Red indication:not ready for service

9 Green indication:ready for service

Principle of operation of gas monitoringwith ready-for-service indicator

Stainless-steel vesselfilled with SF6 gas,gauge pressure500 hPa at 20 °C

Ready-for-serviceindicator

• For phase indicationsL1, L2 and L3

Short-circuit/earth-fault indicator EKA-3

R-HA

40-0

98ep

s

Symbols shown on

CAPDIS-S1+ CAPDIS-S2+

Indicating and measuring equipment

(examples)

Mounting locations in the controlboard for

1 Voltage detection system “CAPDIS-S1+, -S2+” possible (option)

2 Short-circuit/earth-fault indicator(option)

3 Ready-for-service indicator(option)

4 Voltage indicator, HR system,plugged-in (standard)

Control board of a ring-main panel(example)

R-HA

41-0

72c.e

ps

4

2

3

1

��

��

��

��

��

A0

A1

A2

A3

A4

A5

A6

A0 CAPDIS-S2+: Operating voltagenot present

A1 Operating voltage present

A2 – Operating voltage not present– For CAPDIS-S2+:

Auxiliary power not present

A3 Earth fault or failure in phase L1,operating voltage at L2 and L3

A4 Voltage (not operating voltage)present

A5 Indication “device function test”passed

A6 Indication “ERROR“, e.g. in caseof missing auxiliary voltage(see: “error indication M4“)

26 Siemens HA 41.21 · 2005


Interlocking systems and locking devices

Interlocking of connectioncompartment

Ring-main andcircuit-breaker panel

• Access to the cable con-nection compartment(e.g. for cable testing) isonly possible providedthat the feeder is isolatedand earthed (three-posi-tion switch-disconnectorin “EARTHED” position)

• Option: Closing lock-outThis prevents the three-position switch-discon-nector from beingswitched from “OPEN” to“CLOSED” position,when the cable compart-ment cover is removed

Transformer panel

• Access to the cable con-nection compartment andto the HV HRC fuse com-partment (e.g. for replace-ment of HV HRC fuselinks) is only possible pro-vided that the feeder isisolated and earthed(three-position switch-disconnector in“EARTHED” position)

• Option: De-earthinglock-outThis prevents thethree-position switch-disconnector from beingswitched from position“EARTHED” to “OPEN”.

Switchgear interlocking

• Dependent on the va-cuum circuit-breaker oper-ating mechanism with

– Spring-operated or– Stored-energy mechanism

• Option: Switchgear-sidemechanical interlockingwith three-positionswitch-disconnector

• Vacuum circuit-breakercannot be closed whenthree-position switch-disconnector is in the“OPEN” position:

– Spring-operated mecha-nism: Hand crank openingis blocked

– Stored-energy mechanismwith closing solenoid3AY15 10: Pushbutton(S12) operated by mecha-nical interlock preventscontinuous command toclosing solenoid

Interlocking in circuit-breaker panel types LS1,LS1-U and LT10 (with 3AH5fixed-mounted vacuumcircuit-breaker)

• Option: Logical mechanicalinterlocking with three-po-sition switch-disconnector

• Earthing of feeder viathree-position switch-disconnector in“EARTHED” position

Interlocking in circuit-breaker panels (with 3AH6removable vacuum circuit-breaker)

• Option: For 630 A paneltypes LS11, LS11-U andLT11: Logical mechanicalinterlocking with three-po-sition switch-disconnector

• Standard: For 1250 Apanel types LS31, LS31-U,LS32 and LT31: Logicalmechanical interlockingwith three-positiondisconnector

• Logical mechan. interlock-ing of cable compartmentcover: Opening of cablecompartment cover onlypossible provided that thefeeder is earthed

Feeder earthing

• Standard: For panel typesLS11, LS11-U, LT11, LS31,LS31-U and LS32:Earthing by switching ofvacuum circuit-breaker3AH6 1) in position“CLOSED” and of three-position switch 2) inposition “EARTHED”

• Option: For circuit-breakerpanel types LS11, LS31and LS32: Earthing bymeans of an additionalmake-proof earthingswitch at the feeder withinspection window in thecable compartment cover

Locking devices

The three-position switch-disconnector can be lockedon the operating mechanismside in any position (option).

Interlocking systems

Locking device (option)

R-HA

41-0

64ce

psR-

HA41

-081

eps

Interlocking for cable compartment cover

Removed cable compartment coverwith earthed bus sectionalizer panel

Locking device of the detachable lever mechanisme.g. for padlock

Components

1) With additional locking device –optionally with signalling switch – forsecuring the “CLOSED” position ofthe vacuum circuit-breaker for feeder“EARTHED”

2) Three-position switch as– Switch-disconnector in panel

types LS11, LS11-U and LT11– Disconnector in panel types

LS31, LS31-U, LS32 and LT31

Siemens HA 41.21 · 2005 27


4MC63 three-phase current transformers for panel types LS ... and LT ...

Application

• For circuit-breaker panelstype LS ...

• For bus sectionalizer panelstype LT ...

• Option: For ring-main panelstype RK ...

Features

• According to IEC 60 044-1/VDE 0414-1

• Designed as a three-polering-core currenttransformer

• Free of dielectricallystressed cast-resin parts (dueto design)

• Insulation class E

• Inductive type

• Climate-independent

• Secondary connection bymeans of a terminal stripinside the panel

Installation

• Arranged outside the switch-gear vessel on the bushings

• Factory-assembled

Other designs(option)

Three-phase current transfor-mers for protection equipmentbased on c.t. operation:

• 7SJ4x protection relay asdefinite-time overcurrentprotection

• Definite-time overcurrentprotection relay,make SEG, type WIP 1

Technical data 4MC63 53 three-phase current transformer

for IN < 150 Afor ID = 630 A



Primary data

Max. equipment operatingvoltage Um

0.72 kV 0.72 kV 0.72 kV

Rated current IN A 150 100 75 50 400 300 200 1000 750 600 500

Rated short-durationpower-frequencywithstand voltage(winding test)

3 kV 3 kV 3 kV

Rated thermal short-timewithstand current Ith

25 kA 25 kA 25 kA

Rated continuous thermalcurrent ID

630 A 630 A 1250 A

Transient overloadcurrent

1.5 x ID / 1 h 2 x ID / 0.5 h 1.5 x ID / 1 h

Rated peak withstandcurrent Idyn

unlimited unlimited unlimited

Secondary data

Rated current A 1 0.67 0.5 0.33 1 0.75 0.5 1 0.75 0.6 0.5

Rating VA 5 3.33 2.5 1.67 5 3.75 2.5 5 3.75 3 2.5

Rated current (option) 5 A 5 A 5 A

Current at ID 4.2 A 1.575 A 1.25 A

Protec-tioncore

Class 10 P 10 P 10 P

Overcurrent factor 10 10 10

Other values available on request

R-HA

41-0

48ep

s

4MC63 53 three-phasecurrent transformer

4MC63 53 three-phase current transformeron the bushings of the three-positionswitch-disconnector

R-HA

41-0

44ep

s

Components

28 Siemens HA 41.21 · 2005


4MC70 33 cable-type current transformerson the cable at the panel connection

Application

• For circuit-breaker panelstype LS ...

• For ring-main panelstype RK ...

• For transformer panelstype TR ...

Features


• Designed as a single-polering-core current transformer

• Only for shielded cables

• Climate-independent

• Free of dielectricallystressed cast-resin parts (dueto design)


• Inductive type

• Secondary connection bymeans of a terminal stripinside the panel

Installation

• 4MC70 33 cable-type currenttransformer and 4MC70 32bus-type current transformerfor panel type LS ...

• 4MC70 31 cable-type currenttransformer: e.g. for paneltypes RK ..., K ... and TR ...

• Arranged on the cable atthe panel connection

• Transformers mounted on asupporting plate at ourfactory; final assembly onthe cables on site

* Depending on the core data

** Available installation heightinside panel types RK or RK1:Approx. 285 mm, depending onmake, type and cross-section ofsealing end


R-HA

41-0

49a

eps

R-HA

41-0

25ep

s

4MC70 31 cable-typecurrent transformer

R-HA

41-0

24ep

s

HH

4MC70 33 cable-typecurrent transformer,4 different overall heights

R-HA

41-0

27ep

s

4MC70 32bus-typecurrent transformer

Technical data 4MC70 33 cable-typecurrent transformer

4MC70 31 cable-typecurrent transformer

4MC70 32 bus-typecurrent transformer

Primary data


0.72 kV 0.72 kV 0.72 kV

Rated current IN 30 A to 600 A 50 A to 600 A 200 A to 600 A

Rated short-durationpower-frequencywithstand voltage(winding test)

3 kV 3 kV 3 kV


25 kA 25 kA 25 kA


1.0 x INoption: 1.2 x IN



Transient overloadcurrent

1.5 x ID / 1 h or2 x ID / 0.5 h

1.5 x ID / 1 h or2 x ID / 0.5 h

1.5 x ID / 1 h or2 x ID / 0.5 h


unlimited unlimited unlimited

Secondary data

Rated current 1 A (option: 5 A) 1 A (option: 5 A) 1 A (option: 5 A)

Meas-uringcore

Class 0.2 0.5 1 1 0.2 0.5 1

Overcurrent factor FS10 (option: FS5) FS5 (option: FS10) FS10 (option: FS5)

Rating 2.5 VA to 10 VA 2.5 VA to 10 VA 2.5 VA to 10 VA

Pro-tectioncore

Class 10 P 5 P – 10 P 5 P (on request)

Overcurrent factor 10 10 – 10 10

Rating 2.5 VA to 10 VA – 2.5 VA to 15 VA

Option: Secondary tap 1 : 2(e.g. 150 A – 300 A)

1 : 2 1 : 2(e.g. 150 A – 300 A)

Dimensions

Overall height H ** mm 50* 100* 170* 285* 89 80 * 150 *

Outside diameter Ø 145 mm 85 mm x 114 mm Ø 125 mm

Inside diameter Ø 55 mm Ø 40 mm Ø 55 mm

For cable diameter Ø 50 mm Ø 36 mm Ø 50 mm

Components

4MC70 33, 4MC70 31 cable-type current transformers and 4MC70 32 bus-type current transformers

Siemens HA 41.21 · 2005 29


4MA7 block-type current transformers and 4MR voltage transformers


Application

• For billing metering panelstype ME1 ...

• For bus riser paneltype HF …

• For mounting at thefeeder

Features

• 4MA7 current transformer


• Dimensions according toDIN 42600-8

• Designed as a single-poleindoor block-type currenttransformer

• Cast-resin insulated


• Secondary connection bymeans of screw-typeterminals

4MR voltage transformer


• Dimensions according toDIN 42600-9 (smallmodel)

• Designed as an indoorvoltage transformer:

– Type 4MR, single-pole– Option: Type 4MR, two-pole

• Cast-resin insulated


• Secondary connection bymeans of screw-typeterminals


R-HA

41-0

60a

eps

4MA7 block-type currenttransformer,single-pole

4MR14 voltagetransformer,single-pole

4MR voltage transformer and4MA7 block-type current transformer installed inbilling metering panel type ME1

R-HA

41-0

29a

eps

R-HA

41-0

30a

eps

Technical data

4MA7 single-pole block-type current transformer

Primary data


12 kV 24 kV

Rated short-durationpower-frequencywithstand voltage

38 kV 50 kV

Rated lightning impulsewithstand voltage

95 kV 125 kV

Rated current IN 25 A to 1250 A


up to 25 kA


up to 1.0 x INoption: 1.2 x IN


max. 2.5 x Ith

Secondary data

Rated current 1 A or 5 A

Meas- Classuring Overcurrent factorcore

Rating

0.2 0.5 1FS5 or FS1010 VA to 15 VA

Pro- Classtection Overcurrent factorcore

Rating

5 P or 10 P105 VA or 15 VA

Components

4MR single-pole voltage transformer

Primary data

Max. equipment operatingvoltage Um (= 1.2 x UN)

12 kV

Rated voltage UN at max.rated short-durationpower-frequencywithstand voltage

3.3/ 3 kV at 10 kV3.6/ 3 kV at 10 kV

4.8/ 3 kV at 20 kV5.0/ 3 kV at 20 kV6.0/ 3 kV at 20 kV6.6/ 3 kV at 20 kV7.2/ 3 kV at 20 kV

10.0/ 3 kV at 28 kV11.0/ 3 kV at 28 kV

Rated lightning impulsewithstand voltage Up

75 kV

Rated voltage factor(8 h)

1.9 x UN

Max. equipment operatingvoltage Um (= 1.2 x UN)

24 kV

Rated voltage UN at max.rated short-durationpower-frequencywithstand voltage

13.8/ 3 kV at 38 kV15.0/ 3 kV at 38 kV

17.5/ 3 kV at 50 kV20.0/ 3 kV at 50 kV22.0/ 3 kV at 50 kV

Rated lightning impulsewithstand voltage

125 kV

Rated voltage factor(8 h)

1.9 x UN

Secondary data

Rated voltage 100/ 3 V110/ 3 V (option)120/ 3 V (option)

Rated voltage for auxiliarywinding (option)

100/3 V110/3 V (option)120/3 V (option)

Rating 20 VA 50 VA 100 VA

Class 0.2 0.5 1

30 Siemens HA 41.21 · 2005


Cable connection

General features

• Connecting lugs for sealing endsarranged one behind the other

• Uniform cable connection heightfor the respective panel types

• With cable bracket, e.g. type C40according to DIN EN 50 024

• Access to the cable connectioncompartment only if feeder hasbeen isolated and earthed

Special features

– In ring-main panels– In circuit-breaker panels– In cable panels

• For thermoplastic-insulated cables

• For paper-insulated mass-impregnated cables withadapter systems

• For connection cross-sections up to 300 mm2

• Cable routing downwards

– In transformer panels:

• For thermoplastic-insulated cables

• For connection cross-sections up to 120 mm2:Cable lug max. 32 mm wide

• For rated normal currentsof 200 A

For options see figures

Cable cross-sections

Note

Cable sealing ends and cable clampsare not included in the scope of supply

Cable connection (examples)

Cable connection compartment with cablesealing ends (options: A, B, C 1) and D 1), see below)

Ring-main panel type RKCable connection compartment as delivered

L3 L2 L1 L1L2L3

Transformer panel type TRCable connection compartment as delivered

Cable connection compartment with cablesealing ends (option: A 2), see below)

L3L2L1

R-HA

41-0

50ep

s

R-HA

41-0

51ep

s

R-HA

41-0

53ep

s

R-HA

41-0

52ep

s

R-HA

41-0

55ep

s

R-HA

41-0

67ep

s

L3L2L1

Cable connection compartment with cablesealing ends (options: A, B, C and D, see below)

Circuit-breaker panel type LS11Cable connection compartment as delivered

Options A Mounted cable clamps 2)

B Short-circuit / earth-fault indicator

C Double cable connection

D Suitable for connection of surge arresters 3)

5

1

4

3

7

8

14

10 13

12

2

6

L1L2

L3

9

11

1) Only with ring-main panel type RK1

2) Cable clamps with transformerpanels type TR ... partly mountedunderneath the panel in the cablebasement

3) Make Siemens, type 3EK7,other makes on request

Components

Panel type Connectable cables xconnection cross-section

No. x mm2

for rated voltage

12 kV 17.5 kV 24 kV

K Standard

On request

1x 300 1x 300 1x 300

2x 300 – –

K1 2x 400 2x 400 2x 400

RK, Standard 1x 300 1x 300 1x 300K-E

On request 2x 300 – –

RK1, K1-E 2x 300 2x 300 2x 300

LS1 2x 300 2x 300 2x 300

LS11, LS31 2x 400 2x 400 2x 300

LS32 Standard

Option

On request

3x 400 3x 400 3x 300

4x 300 4x 300 –

– – 4x 300

ME1-K, ME1-KS 3x 400 3x 400 3x 300

Siemens HA 41.21 · 2005 31


1) Transformer panel types TR ...:– Lower edge of sealing end below panel– Cable lugs of sealing ends up to 32 mm width– Owing to the various sealing end lengths, some of

the mounted cable clamps are underneath the panel

2) Circuit-breaker panel types LS11, LS31 and LS32:– Lower edge of sealing end below panel

Selection data for various cable sealing ends

1 As-delivered condition,e.g. for Up w 95 kV, preparedfor cable sealing end

2 As-delivered condition,e.g. for Up > 95 kV, additionally withinsulating sleeve, preparedfor cable sealing end

3 Phase L1:Make: Lovink (RXS)Type IAEM 20,240 mm2 (20 kV)

4 Phase L2:Make: Tyco Electronics RaychemType EPKT 24 C / 1X,185 mm2 (24 kV),as shrink-on sealing end,for severe ambient conditions

5 Phase L3:Make: Pirelli Elektrik GermanyType ELTI mb-1C-2h-C-T3,240 mm2 (24 kV)

6 As-delivered condition, preparedfor cable sealing end

7 Phase L1:Make: Lovink (RXS)Type IAEM 20,95 mm2 (20 kV)

8 Phase L2:Make: Tyco Electronics RaychemType TFTI/5131,95 mm2 (24 kV),as push-on sealing end

9 Phase L3:Make: EuromoldType AIN, 95 mm2 (24 kV)

10 As-delivered condition,e.g. for Up < 95 kV, preparedfor cable sealing end

11 As-delivered condition,e.g. for Up W 95 kV, additionally withinsulating cap, prepared forcable sealing end

12 Phase L1:Make: Lovink (RXS)Type IAES 20,240 mm2 (20 kV)

13 Phase L2:Make: Pirelli Elektrik GermanyType ELTI 1C-24-D-T3,240 mm2 (24 kV),as indoor sealing end,for severe ambient conditions

14 Phase L3:Make: EuromoldType AIN 20,240 mm2 (24 kV)

Connection height **of cables abovefloor or abovelower edge of panel:

Cable sealing ends(examples)

Note

Depending on make andtype, the termination of thecable sealing end (= shieldearth) for the 3-core thermo-plastic-insulated cable andthe fitted cable clamp (option)may be located underneath thepanel in the cable basement.This must be taken intoaccount in panels withfloor cover (option).

3) Cable sealingend type withinsulation shields

* On request:Max. connectioncross-section ofcable sealing endtypes

**Due to the installation of4MA cast-resin insulatedblock-type current trans-formers in panels RK1and LS1, the connectionheight of the cables isreduced to 380 mm

Components

Cable sealing end, e.g. for panel types RK..., LS1..., LS11..., LS31..., LS32and TR ...1) (for connection heights of cables see opposite dimension drawings)Make Type Cross-section

mm2

Panel type TR …

Dimension a~ 530 mm at 12 kV~ 380 mm at 24 kV

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Panel type RK ...

Panel type LS11 ...

Single-core thermoplastic-insulated cables for < 12 kV (6/10 kV)

Euromold AIN 10 25–300 (500*)35 MSC35 MSC (option 3))

16–300 (500*)25–300 (500*)

ITK-212 50–300 (400*)Pirelli Elektrik Germany ELTI mb-1C-12 35–240

ELTI-1C-12 25–300Tyco ElectronicsRaychem

IXSU-F 16–300 (500*)TFTI 25–300 (400*)EPKT 1) 16–300

Lovink (RXS) IAEM 10 25–300IAES 10 25–300 (500*)

3M Germany 92-EB 6xx-1 16–300 (400*)Südkabel (ABB) SEHDI 10.2 35–300 (500*)

SEI 12 70–300nkt cables TI 12 25–240

AV 10 C 25–300 (500*)AV 10 E 25–300 (500*)

Single-core thermoplastic-insulated cables for > 12 kV to < 24 kV (12/20 kV)

Euromold AIN 20 25–300 (630*)35 MSC35 MSC (option 3))

25–7025–185

36 MSC 2)36 MSC (option 3))

95–300 (500*)95–300 (500*)

ITK-224 25–240Pirelli Elektrik Germany ELTI mb-1C-24 35–240

ELTI-1C-24 25–300Tyco ElectronicsRaychem

IXSU-F 25–300 (500*)TFTI 25–300 (400*)EPKT 16–300 (500*)

Lovink (RXS) IAEM 20 25–300IAES 20 25–300 (500*)

3M Germany 93-EB 6xx-1 25–300 (400*)Südkabel (ABB) SEHDI 20.2 35–300 (500*)

SEI 24 25–240nkt cables TI 24 25–240

AV 20 E 25–300 (500*)AV 10 E 25–300 (500*)

Three-core thermoplastic-insulated cables for < 12 kV (6/10 kV)

Euromold AIN 10 25–300 (500*)SR-DI 12 35–300 (500*)

Pirelli Elektrik Germany ELTI-3C-12 25–300Tyco ElectronicsRaychem

IXSU-F 16–300 (500*)

Lovink (RXS) IAES 10 25–300GHKI 16–300 (400*)

Three-core thermoplastic-insulated cables for > 12 kV to < 24 kV (12/10 kV)

Euromold SR-DI 24 2) 35–300 (500*)Lovink (RXS) GHKI 25–300 (500*)

32 Siemens HA 41.21 · 2005


Low-voltage equipment

Low-voltage niche(standard)

• Screwed-on cover as– Cover (available mounting

depth behind ofapprox. 184 mm)

– Frame cover, approx.46 mm deeper version(available mountingdepth behind ofapprox. 230 mm)

• For accommodation ofterminals and standardprotection devices, e.g.in circuit-breaker panelscombined with framecover for panels

– Type LS1: Protectionrelays (with max. 75 mmwide mounting frame), e.g.– Type 7SJ45, 7SJ46– Make SEG, type WICOn request:– 7SJ60– Make SEG, WIP1

– Type LS11, LS31 and LS32:Protection relays (withmax. 75 mm widemounting frame), e.g.type 7SJ45, 7SJ46,7SJ60 and 7SJ61.On request:– 7SJ62 (150 mm wide)– Make SEG, WIP1

• For bus wires and/or con-trol cables; niche open atthe side to the adjacentpanel

• Safe-to-touch, separatedfrom high-voltage part ofthe panel

• Degree of protectionIP 3X (standard)

Low-voltage compartment(option)

• Overall heights:350 mm, 550 mm

• Available mounting depth:442 mm

• Overall widths:375 mm, 500 mm, 750 mm

• For mounting on the panel

• Dependent on the panel-specific scope of thesecondary equipment

• For accommodation of pro-tection, control, measuringand metering equipment,e.g. multifunction protec-tion relay SIPROTEC 47SJ62/ 7SJ63 or protec-tion relay make SEG

• Compartment 750 mmwide for panel type LS32

1 LED indications

2 LCD

3 Navigation keys

4 Function keys

5 Option:Short-circuit/earth-faultindicator

6 Frame cover oflow-voltage niche(can be unscrewed)

7 Momentary-contactrotary control switchON-OFF for motoroperating mechanismof the three-positionswitch-disconnector

8 Local-remote switchfor three-positionswitch-disconnector

9 Control board

10 Low-voltage nicheopen

11 Option:Installed equipment

12 Panel front

13 Option:Multifunctionprotection relaySIPROTEC 4 7SJ61on swing-out frame

14 Option:Protection devicemake SEG,type WIC

Electronic functions

Multifunction protectionrelay SIPROTEC 4 7SJ62or 7SJ63 with the followingfeatures:

1 User-programmable LEDswith application- specificlabel, for display- ing anydesired process andequipment data

2 LCD for process andequipment data, e.g. for:

– Measuring and meteringvalues

– Binary information on thestatus of switching pointand device

– Protection data– General indications– Alarms

3 Keys for navigation inmenus and for enteringvalues

4 Four user-programmablefunction keys forfrequently performedactions

Low-voltage cables

• Control cables of thepanel to the low-voltagecompartment are con-nected via multi-pole,coded module plugconnectors

• Option: Plug-in bus wiresfrom panel to panel insidethe low-voltage niches,optionally in separatecable duct on the panel

Low-voltage niche (examples)

SIPROTEC 47SJ61:

1 LED indications

2 LCD

3 Navigation keys

4 Function keys

Low-voltage compartment (option)

R-HA

41-0

62a

eps

R-HA

41-0

83ep

sR-

HA41

-059

aep

s

In bus sectionalizer panel type LT11(low-voltage niche closed)

In circuit-breaker panel type LS1(low-voltage niche open)

In billing metering panel type ME1(low-voltage niche open)

On circuit-breaker panel type LS1for additional low-voltage equipment

6

5

7

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9

3

2

2

1

4

3

10

R-HA

41-0

58ep

s

11

9

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11

12

1

4

14

13

Components

Siemens HA 41.21 · 2005 33


Ring-main panels, transformer panels��

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1) Location of voltage transformerin left-hand panel,e.g. in panel typeLT10 or LT11

* Option:Low-voltage compartmentavailable in two heights:350 mm or 550 mm

** Available mounting depthfor low-voltage equipment

*** For panel type RK1 the cableconnection height is reducedto approx. 380 mm for panelversion with 4MA block-typecurrent transformer

Ring-mainpanels

Ring-main panelfor panel combinations

Transformerpanels

Type RK Type RK1

Type RK-U

Type TR1Type TR

Dimensions

34 Siemens HA 41.21 · 2005


Cable panels��

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Type K Type K1

Type K1-EType K-E

Cable panels

Cable panels(with additional make-proofearthing switch)



Dimensions

Siemens HA 41.21 · 2005 35


Circuit-breaker panels��

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1) Type designation of thevacuum circuit-breaker

2) Option: Inspection window

3) Option: With make-proofearthing switch

* Option: Low-voltage compartmentavailable in two heights:350 mm or 550 mm

** Available mounting depthfor low-voltage equipment– Approx. 184 mm with cover– Approx. 230 mm with extended

frame cover

*** The cable connection height isreduced to approx. 380 mm forpanel version with 4MA block-typecurrent transformer

Circuit-breaker panel630 Awith 3AH5 1)

Type LS1

Type LS11 (with make-proof earthing switch)

Circuit-breaker panels630 Awith 3AH6 1)

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Type LS31 3) (for connectionof max. 2 cables)

Type LS32 3) (for connectionof 3 cables)

Circuit-breaker panels1250 Awith 3AH6 1)

Dimensions

36 Siemens HA 41.21 · 2005


Bus sectionalizer panels with bus riser panel��

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Type LT10 + type HF

Type LT11 + type HF

Bus sectionalizer panel630 Awith 3AH5 1)

Bus sectionalizer panel630 Awith 3AH6 1)

1) Type designation of thevacuum circuit-breaker


** Available mounting depthfor low-voltage equipment– Approx. 184 mm

with cover– Approx. 230 mm

with extended frame cover

Bus sectionalizer panel1250 Awith 3AH6 1)��

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Dimensions

Siemens HA 41.21 · 2005 37


Bus sectionalizer panels��

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Bus sectionalizer panelswithout transformers

Bus sectionalizer panelswith transformers

Type LT22(� type RK-U with type

Type LT22-W

Dimensions

38 Siemens HA 41.21 · 2005


Billing metering panels��

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Billing metering panel(standard)

Billing metering panelsfor busbar and cableconnection

Billing meteringpanel for2nd current transformer set

Type ME1

Type ME1-S(for busbar connection)

Type ME1-H

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Type ME1-K(for cable connection)

Dimensions

Siemens HA 41.21 · 2005 39


Busbar voltage metering panels, busbar earthing panels, bus riser panels

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Busbarvoltage meteringpanels

Type ME3 Type ME31-Fwith fuses

1) Location of voltagetransformer inleft-hand panel



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Busbarearthingpanels

Type SE1without transformers

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Dimensions

40 Siemens HA 41.21 · 2005


Floor openings (dimensions in red) and fixing points

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With cable connection

1 Wall distance

2 Fixing frame (base)of an individual panel or panel block

3 Floor opening for high-voltage cables and,where applicable, control cables; in paneltypes LS11, LS31 and LS31-K: floor openingalso possible below floor cover

4 Position of the led-in cables for the feeder

5 Fixing points

6 Floor opening if required for panelswithout cable connection��

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With double cable connection

For dimensions not shownsee illustration on the left

Without cable connection

For pa-nel type

RKKK-ETR

For pa-nel type

RK-UME3HFSE1

For pa-nel type

RK1K1+K1-ETR1

For pa-nel type

RK1-UME31-FSE2

For pa-nel type

LS1(Dim. a= 562.5)

ME1-K(Dim. a= 375)

ME1-KS(Dim. a= 375)

For pa-nel type

LS1-ULS11-ULT10LT11LT2LT2-WLT22LT22-WME1ME1-SME1-H

LS31-ULT31

For pa-nel type

LS11

LS31

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LS32

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Dimensions

Siemens HA 41.21 · 2005 41


Correction factor a for the site altitude

For site altitudesabove 1000 m, theadjacent correctionfactor a is recom-mended, depend-ing on the actualsite altitude abovesea level.

Rated short-duration power-frequency withstand voltage to be selected

WRated short-dur. power-fre. withstand volt. (IEC 60 694 / VDE 0670-1000)

1.1 · a

Rated lightning impulse withstand voltage to be selected

WRated lightning impulse withstand volt. (IEC 60 694 / VDE 0670-1000)

1.1 · a

Example:

3000 m site altitude above sea level17.5 kV switchgear rated voltage95.0 kV rated lightning impulse withstand voltage

Rated lightning impulse 95 kVwithstand volt. to be selected 1.1 · 0.73

= 118 kV

Standards, specifications, guidelines

Standards

The SIMOSEC switch-gear complies with therelevant standards andspecifications applica-ble at the time oftype tests.

In accordance with theharmonization agree-ment reached by thecountries of the Euro-pean Community, theirnational specificationsconform to the IECstandard.

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Type of service location

SIMOSEC switchgear can beused as an indoor installation inaccordance with IEC 61 936(Power installations exceeding1 kV AC) and VDE 0101

• Outside lockable electricalservice locations at placeswhich are not accessible tothe public. Enclosures ofswitchgear can only beremoved with tools.

• Inside lockable electricalservice locations. A lockableelectrical service location isa place outdoors or indoorsthat is reserved exclusively forhousing electrical equipmentand which is kept under lockand key. Access is restrictedto authorized personnel andpersons who have beenproperly instructed in electri-cal engineering.Untrained or unskilled per-sons may only enter underthe supervision of authorizedpersonnel or properly instruc-ted persons.

Terms

“Make-proof earthing switches”are earthing switches withshort-circuit making capacityaccording to– IEC 62 271-102

and– VDE 0671-102

Insulating capacity

• The insulating capacity is veri-fied by testing the switchgearwith rated values of short-duration power-frequencywithstand voltage and light-ning impulse withstand volt-age according to IEC 60 694/VDE 0670-1000 (seetable “Insulating capacity”).

• The rated values are referredto sea level and to normalatmospheric conditions(1013 hPa, 20 °C, 11 g/m3

humidity in accordance withIEC 60 071 and VDE 0111).

• The insulating capacitydecreases with increasingaltitude.For site altitudes above1000 m (above sea level)the standards do not provideany guidelines for the insula-tion rating. Instead, specialregulations apply to thesealtitudes.

Site altitude

As the altitude increases, theinsulating capacity of insulationin air decreases due to thedecreasing air density.

For SIMOSEC switchgear thedecreasing insulating capacitymust be taken into accountfor site altitudes above 1000 m(above sea level), see alsoIEC 60 694 /VDE 0670-1000.Result:

According to the abovetable, a switchgear for arated voltage of 24 kV isto be selected.

* In future, all standardsfor switching devicesand switchgear will besummarized inIEC 62 271

** Withdrawn standard

*** Transition period untilFebr.1, 2007

Standards

1) Circuit-breaker

2) Disconnector and earthing switch

3) Switch-disconnector

4) Switch-disconnector / fusecombination

5) Voltage detection systems

6) HV HRC fuses

7) Current transformer

8) Voltage transformer

Table – Insulating capacity

Rated voltage (rms value) kV 7.2 12 15 17.5 24

Rated short-duration power-frequency withstand voltage (rms value)

– Across isolating distances kV 23 32 39 45 60

– Between phases and to earth kV 20 28 36 38 50

Rated lightning impulse withstand voltage (peak value)

– Across isolating distances kV 70 85 105 110 145

– Between phases and to earth kV 60 75 95 95 125

IEC standard VDE standard EN standard

up to now current in future up to now current in future

Switch-gear

IEC 60 694 * IEC 60 694 * IEC 62 271-1 VDE 0670-1000 VDE 0670-1000 VDE 0671-001 EN 60 694

IEC 60 298 IEC 60 298IEC 62 271-200

IEC 62 271-200 VDE 0670-6 VDE 0670-6 ***VDE 0671-200

VDE 0671-200 EN 62 271-200

Devices 1) IEC 60 056 ** IEC 62 271-100 – VDE 0670-101 to 106 VDE 0671-100 – EN 62 271-1002) IEC 60 129 ** IEC 62 271-102 – VDE 0670-2 VDE 0671-102 – EN 62 271-1023) IEC 60 265-1 * IEC 62 265-1 * IEC 62 271-103 VDE 0670-301 VDE 0670-301 VDE 0671-103 EN 60 265-14) IEC 60 420 ** IEC 62 271-105 – VDE 0670-303 VDE 0671-105 – EN 62 271-1055) IEC 61 243-5 IEC 61 243-5 – VDE 0682-415 VDE 0682-415 – EN 61 243-56) IEC 60 282 IEC 60 282 – VDE 0670-4 VDE 0670-4 – EN 60 282

Degree ofprotection

IEC 60 529 IEC 60 529 – VDE 0470-1 VDE 0470-1 – EN 60 529

Insulation IEC 60 071 IEC 60 071 – VDE 0111 VDE 0111 – EN 60 071

Trans-formers

7) IEC 60 044-1 IEC 60 044-1 – VDE 0414-1 VDE 0414-1 – EN 60 044-18) IEC 60 044-2 IEC 60 044-2 – VDE 0414-2 VDE 0414-2 – EN 60 044-2

Installation IEC 61 936-1 IEC 61 936-1 – VDE 0101 VDE 0101 – –

Overview of standards (March 2005)

42 Siemens HA 41.21 · 2005


Standards


• Definitions of criteria:– Criterion 1

Correctly secured doors,shutters etc. must not open

– Criterion 2Parts of enclosedswitchgear which may causea hazard must not fly off

– Criterion 3No holes in the freelyaccessible external parts ofthe enclosure as the result ofburning in or tearing open

– Criterion 4Vertically arrangedindicators must not ignite

– Criterion 5Horizontally arrangedindicators must not ignite

– Criterion 6The effectiveness of theearth connection must notbe detrimentally influenced

In the event of an arc fault atthe cable connection, pressurerelief is effected to the rear andupwards.

For free-standing switchgear apressure-relief duct fitted at therear is optionally available up to20 kA.

Tests for resistance tointernal arc faults

• Safety of operating personnelensured by tests to verify re-sistance to internal arc faults

• Internal arc tests in accord-ance with IEC 60 298 /VDE 0670-6 * by agreementbetween operator and manu-facturer

• Internal arc tests performed inaccordance with IEC 60 298,Appendix AA / VDE 0670-6,Appendix AA *

• The possibility of arc faultsin SIMOSEC switchgear ismuch less due to:

– Metal-enclosed and gas-insulated switching functions(e.g. of three-positionswitch-disconnector and3AH5 vacuum circuit-breaker)

– Logical arrangement ofoperating mechanismelements and mechanicalinterlocks

– Short-circuit-proof feederearthing by means of thethree-position switch-disconnector

Cable testing

• For circuit-breaker andswitch-disconnector feeders

• DC voltage test

before the test:

Remove or disconnect anyvoltage transformers at thecable connection inSIMOSEC switchgear.

SIMOSEC switchgear forrated voltages up to 24 kVcan be subjected to cabletests at a max. DC testvoltage of 72 kV. The voltageat the busbar may be 24 kVin this case.

Test voltages:

• For cable testing– the installation and

operating instructions ofthe switchgear

– the standardsIEC 60 298 / VDE 0670-6 /Section 5.107 *

– the information on manu-facturer-dependent cablesealing ends

– the cable version(e.g. paper-insulated mass-impregnated cables, PVCcables or XLPE cables)

must be observed.

Ratedvoltage

Max. testvoltage appliedto cable

VLF 1) acc. Standard0.1 Hz to in many

IEC com-(34U0) paniesAC DC DC

kV kV kV kV

12 19 24 48

24 38 48 70

Climate and ambientconditions

SIMOSEC switchgear may beused, subject to possible addi-tional measures – e.g. panelheaters or floor covers –under the following ambientconditions and climate classes:

• Ambient conditions– Natural foreign materials– Chemically active pollutants– Small animals

• Climate classesThe climate classes areclassified according toIEC 60 721-3-3

SIMOSEC switchgear is largelyinsensitive to climate andambient conditions by virtue ofthe following features:

• No cross insulation forisolating distances betweenphases

• Metal enclosure of switchingdevices (e.g. three-positionswitch) in gas-filled stainless-steel switchgear vessel

• Dry-type bearings inoperating mechanism

• Essential parts of the operat-ing mechanism made ofcorrosion-proof materials

• Use of climate-independentthree-phase current trans-formers

1) VLF = very low frequency


Siemens HA 41.21 · 2005 43



IEC 60 529 and EN 60 529: If not stated otherwise onthe individual pages of thiscatalog, we reserve the rightto include modifications, espe-cially regarding the stated val-ues, dimensions and weights.

Drawings are not binding.

All product designations usedare trademarks or productnames of Siemens AG orother suppliers.

If not stated otherwise, alldimensions in this catalog aregiven in mm.

The information in this documentcontains general descriptions ofthe technical options available,which do not always have to bepresent in individual cases.The required features shouldtherefore be specified in eachindividual case at the time ofclosing the contract.

Responsible for

Technical contents:Christoph MaulSiemens AG, Dept. PTD M 2 PMErlangen

General editing:Gabriele PollokSiemens AG, Dept. PTD CC MErlangen

KGK 04.05 0.0 VO/- 40 En 1013546101/C6008


** For explanationssee adjacent table

Type of protection Degree of protection

I P 2Xss

Protection against solid foreign bodiesProtected against the penetrationof solid foreign bodies, diameter W 12.5 mm

Protection against electric shockProtected against access to dangerous partsby means of a finger (the distance betweena test finger with a diameter of 12 mmto dangerous parts must be sufficient)

Protection against the ingress of waterNo definition

I P 3Xss


Protection against electric shockProtected against access to dangerous partsby means of a wire (the distance between a testrod with a diameter of 2.5 mm and a length of100 mm to dangerous parts must be sufficient)


I P 3 X Dsss



Protection against electric shockProtected against access to dangerous partsby means of a wire (the distance between a testrod with a diameter of 1 mm and a length of100 mm to dangerous parts must be sufficient)

I P 6 5ss

Protection against solid foreign bodiesDust-proof: no penetration of dust

Protection against electric shockProtected against access to dangerous partsby means of a wire (test probe with a diameter of 1 mmmay not penetrate)

Protection against the ingress of waterProtected against water jets,water which is directed towardsthe enclosure from any directionmay not have a damaging effect

Standards

Protection against solidforeign bodies, electric shockand ingress of water

SIMOSEC switchgear fulfillsacc. to the standards *

the following degrees ofprotection **:

Type of installation:Wall-standing arrangement

IEC 60 694 VDE 0670-1000EN 60 694

IEC 60 298 VDE 0670-6

IEC 60 529 VDE 0470-1EN 60 529

Degree ofprotection

Type ofprotection

IP 2X(standard)

Enclosure of liveparts underhigh-voltage

Compartments

IP 3X(option)

Enclosure of liveparts under high-voltage in switchgearwith locking device

IP 3XD(onrequest)

Enclosure of liveparts under high-voltage in switchgearwith locking device

IP 65 Metal enclosureof gas-filledswitchgear vessels

Notes

www.siemens.com/medium-voltage-switchgear

(Subject to chargese.g.: 12 ct/min.)

If you have any questions aboutPower Transmission and Distribution,our Customer Support Centeris available around the clock

Tel: +49 180 / 524 70 00Fax: +49 180 / 524 24 71

E-mail: [email protected]/ptd-support

Published by

Siemens AG

Power Transmission and DistributionMedium Voltage DivisionPostfach 32 20

91050 ErlangenGermany

22kv Simosec Eng

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