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Moeller Wiring Manual 02/05
Rotary Switches
or Immediate Deliv
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Page
Overview 4-2
ON-OFF Switches, main switches, maintenance switches 4-3
Changeover switches, reversing switches 4-5
(Reversing) star-delta switches 4-6
Multi-speed switches 4-7
Interlock circuits 4-11
Meter selector switches 4-12
Meter selector switches 4-13
Heater switches 4-14
Step switches 4-15
Rotary switches and switch-disconnectors with ATEX approval 4-17
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Moeller Wiring Manual 02/05
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Rotary SwitchesOverview
Use and mounting forms
Moeller rotary switches and switch-disconnectors are used as:a Main switches, main switches used as
Emergency-Stop devices,b ON-OFF switches,c Safety switches,d Changeover switches, e Reversing switches, star-delta switches,
multi-speed switches,f Step switches, control switches, coding
switches, meter selector switches.
The following mounting forms are available:g Flush mounting,h Centre mounting,i Surface mounting,j Service distribution board mounting,k Rear mounting.
Refer to the latest issue of our Main Catalogue for “Industrial Switchgear”.Other contact arrangements are listed in the K115 specialist catalog in addition to the switches listed in the Main Catalogue.
Basic type
P Iu Use as Mounting type
[KW] [A] a b c d e f g h i j k
TM 3.0 10 – x – x – x k k – k –
T0 6.5 20 x x – x x x + k k k +
T3 13 32 x x – x x – + k k k +
T5b 22 63 x x x x x – + – k – +
T5 30 100 x – x x – – + – k – +
T6 55 160 x – – x – – – – + – +
T8 132 3151) x – – x – – – – + – +
P1-25 13 25 x x x – – – + k + k +
P1-32 15 32 x x x – – – + k + k +
P3-63 37 63 x x x – – – + – + k +
P3-100 50 100 x x x – – – + – + k +
P5-125 45 125 x x – – – – + – – – +
P5-160 55 160 x x – – – – + – – – +
P5-250 90 250 x x – – – – + – – – +
P5-315 110 315 x x – – – – + – – – +
P = Max. motor rating; 400/415 V; AC-23 AIu = Max. rated uninterrupted current1) In enclosed version (surface mounting), max. 275 A.kDepending on the number of contact units, function and contact sequence.+ Irrespective of the number of contact units, function and contact sequence.
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Moeller Wiring Manual 02/05
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Rotary SwitchesON-OFF Switches, Main Switches, Maintenance Switches
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ON-OFF switches, main switches
These switches can also be used as switch-disconnectors for lighting, heating or combined loads.Main switches to IEC/EN 60 204 for rear mounting switches with door interlock, padlocking feature, finger-proof incoming terminals, N and PE terminal, red thumb-grip handle (black, if required), warning label.If it is not clear which drive is associated with which main switch, an additional maintenance switch is required close to each drive.
Maintenance switches are fitted to electrical machines or installations to provide safe working conditions in accordance with the safety regulations.By attaching his own padlock to the SVB padlocking feature, the electrician can protect himself against anyone switching on without authorization (a section “Circuit diagram example for maintenance switches with a load shedding contact and (or) switch position indicator”, page 4-4).
T0-2-1P1-25P1-32P3-63P3-100P5-125P5-160P5-250P5-315
Maintenance switches (safety switches) with auxiliary contacts
T0-3-15680
P1-25/.../P1-32/.../P3-63/.../P3-100/.../...N/NHI11
1) Load shedding contact
FS 908
ON
OFF
123456
L1
L2
L3
0 1
FS 908
ON
OFFL1
L2
L3
123456789
101112
N
N
0 1
1)
FS 908
ON
OFF
123456NN
13142122
N
L1
L2
L3N
1)
0 1
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Rotary SwitchesON-OFF Switches, Main Switches, Maintenance Switches
Moeller Wiring Manual 02/05
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Circuit diagram example for maintenance switches with a load shedding contact and (or) switch position indicator
T0(3)-3-15683 maintenance switch
T0(3)-3-15683 circuit diagram
Function Load shedding: When switching on, the main current contacts close first, then the contactor is activated via the late-make N/O contact. When switching off, the contactor is first disconnected by opening of the early-break contact, then the main contacts isolate the motor supply.Switch position indication: The position of the switch can be signalled to the control panel or mimic diagram panel via additional NO and NC contacts.
P1: OnP2: OffQ11: Load shedding
Q11
L2
NL3
L1
F1
Q112
1
4
3
6
5
F2
1 3 5
2 4 6
M3
7 9 11
8 10 12
Q1
U V W
A2Q11
A1
A2P1 P2
F0
95
96
21
22
F2
O
13
14
I13
14
1-2,3-4,5-6
7-8,11-12
9-10
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Rotary SwitchesChangeover Switches, Reversing Switches
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Changeover switches
Reversing switches
T0-3-8212T3-3-8212T5B-3-8212T5-3-8212T6-3-8212T8-3-8212
FS 684
01 2
123456789
101112
01 2L2L1 L3
T0-3-8401T3-3-8401T5B-3-8401T5-3-8401
FS 684
01 2
21 0123456789
10
L2L1 L3
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Rotary Switches(Reversing) Star-Delta Switches
Star-delta switches
Reversing star-delta switches
T0-4-8410T3-4-8410
T5B-4-8410T5-4-8410
FS 635
Y0
123456789
10111213141516
L1 L2 L3 0 Y Δ
U2
U1
V1V2
W1
W2
T0-6-15877T3-6-15877
1) Standard contactor interlock a section “Interlock Circuits”, page 4-11
FS 638
Y0
Y
123456789
10111213141516
L1L2L3
U2
U1
V1V2
W1
W2
1718192021222324
0Y Y
SOND 28 )1
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Moeller Wiring Manual 02/05
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Rotary SwitchesMulti-Speed Switches
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2 speeds, non-reversing
2 separate windings
Tapped winding arrangementT0-4-8440T3-4-8440T5B-4-8440T5-4-8440
a without links
FS 644
01
2
123456789
10111213141516
L1L2L3
1U
1W 1V
2W 2V
2U
1 20
�
T0-3-8451T3-3-8451T5B-3-8451T5-3-8451
FS 644
01
2
123456789
101112
L1L2L31 2
1U
1W 1V
2U
2W 2V
0
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Rotary SwitchesMulti-Speed Switches
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2 speeds, reversing
Tapped winding arrangementT0-6-15866T3-6-15866
T5B-7-15866T5-7-15866
2 separate windings, reversingT0-5-8453T3-5-8453
FS 629
10
12 2
FS 441
10
12 2
123456789
10111213141516
L1L2 L3
1718192021222324
12 0 1 2
1U
1W 1V
2W 2V
2U
FS 629
10
12 2
123456789
1011121314151617181920
12 0 1 2
1U
1W 1V
2U
2W 2V
L1L2L3
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Rotary SwitchesMulti-Speed Switches
Moeller Wiring Manual 02/05
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3 speeds, non-reversing
Tapped winding arrangement, single winding for low speedT0-6-8455T3-6-8455T5B-6-8455T5-6-8455
0-(A)y- (B)d = (B)y y
FS 616
1
0
2
3
0 1 2 3123456789
101112131415161718192021222324
L1 L2 L3
1U
1W 1V
A B
1U
1W 1V
2W 2V
2U
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Rotary SwitchesMulti-Speed Switches
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3 speeds, non-reversing
Tapped winding arrangement, single winding for high speedT0-6-8459T3-6-8459
T5B-6-8459T5-6-8459
0-(B)d- (B)y y -(A)y
FS 616
1
0
2
3
FS 420
21
03
0 1 2 3123456789
101112131415161718192021222324
L1 L2 L3
1U
1W 1V
A B
1U
1W 1V
2W 2V
2U
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Moeller Wiring Manual 02/05
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Rotary SwitchesInterlock Circuits
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Interlock circuits between rotary switches and contactors with overload relays provide neat and economical solutions for many switching drive tasks.The following points are common to all interlock circuits:
• Protection against automatic restarting after a motor overload or power failure
• The facility for remote disconnection (e.g. emergency-stop) can be provided by one or more Off pushbuttons.
Without mains disconnection (SOND 27)Mains disconnection only by contactorprimarily for star-delta circuit
With mains disconnection (SOND 28)Mains disconnection by contactor and switch
Interlock with contactor (SOND 29)Contactor can be energized only when switch is in the Off position
Interlock with contactor (SOND 30)Contactor can be energized only when switch is in an operating position
Q11
Q11
S0
F0
F2
0 21
M3~
Q11
Q1
Circuit as required
Control sectionSOND 27
Power section without mainsdisconnection Q11
Q11
S0
F0
F2
0 21
M3~
Q11
Q1
Control sectionSOND 28
Circuit as required
Power section without mainsdisconnection
Q11
S1
S0
F0
F2
0 21
M3~
Q11
Q1
Q11
Control sectionSOND 29
Power section
Circuit as required
Q11
S1
S0
F0
F2
0 21
M3~
Q11
Q1
Q11
Control sectionSOND 30
Power section
Circuit as required
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Moeller Wiring Manual 02/05
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Rotary SwitchesSingle-Phase Starting Switches
Meter selector switches enable you to measure currents, voltages and power in three-phase systems with only one measuring device.
Numerous circuits are possible for the different measurements, some of the most common ones being shown below.
Voltmeter selector switches
Ammeter selector switches
T0-3-80073 x phase to phase3 x phase to neutral with “0” position
T0-2-159223 x phase to neutral without “0” position
T0-5-15925T3-5-15925For direct measurement
L1-L2
FS 1410759
0
L2-L3
L3-L1
L1-N
L2-N
L3-N
L3-L
1
123456789
101112
L2-L
3L1
-L2
0 L1-N
L2-N
L3-N
V
L1L2L3 N L1-L2L2-L3
L3-L1
FS 164854
123456
L3-L
1L2
-L3
L1-L
2
78V
L1L2L3
L1
L2
FS 9440
0
L3 L1L2L30123456789
101112131415161718
L1L2 L3
L1L2L3
A
0
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Moeller Wiring Manual 02/05
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Rotary SwitchesMeter Selector Switches
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Ammeter selector switches
Wattmeter selector switches
T0-3-8048T3-3-8048For measurement via transformers, complete rotation possible
L1
L2
FS 9440
0
L3
L1L2L3 00
L1L2L3
123456789
101112
A
T0-5-8043T3-5-8043Two-phase method (Aron circuit) for three-cable installations loaded as required. The sum of the two readings gives the total output.
The Aron circuit will give a correct result for four-cable systems only when the sum of the currents equals zero, i.e. only when the four-cable system is balanced.
FS 953
0
1 2
W1 20
L1L2L3
123456789
101112131415161718
1 2 3 11
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Rotary SwitchesHeater Switches
1-pole disconnection, 3 steps
T0-2-8316T3-2-8316T5B-2-8316
T0-2-15114, complete rotation possible
q switchedQ not switched
Further heater switches, 2- and 3-pole, with alternative circuitry, output stages, and number of steps are described in the Moeller Main Catalogue, Industrial Switchgear and in the catalogue K 115.
FS 420
21
03
12345678
L1 L2 L30 1 2 3
1
I II III
2
3
IIIIII
FS 193840
1+2
1
0
2
12345678
0 11+2 2 0
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Moeller Wiring Manual 02/05
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Rotary SwitchesStep Switches
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One step closed in each position, complete rotation possible
T0-6-8239T3-6-8239
FS 301
12
3 4 567
891011
12
1 2 3 4123456789
1011
6 7 8 95 1110 12
1314151617181920212223
12
24
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Rotary SwitchesStep Switches
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Stay-put switches
Changeover switches
On-Off stay-put switches (also usable as main switches, mains isolating device)
On-Off stay-put switches1-pole: T0-1-154012-pole: T0-1-154023-pole: T0-2-15403
FS 415
01
10123456
1-pole: T0-1-154212-pole: T0-2-154223-pole: T0-3-15423
1-pole: T0-1-154312-pole: T0-2-154323-pole: T0-3-15433
FS 429
02 1
123456789
101112
0 12
FS 1401
0HAND AUTO
123456789
101112
0 AUTOHAND
1-pole: T0-1-155212-pole: T0-2-155223-pole: T0-3-15523With pulsed contact in the intermediate position
FS 908
ON
OFF 123456789
101112
0 1
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Moeller Wiring Manual 02/05
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Rotary SwitchesRotary Switches and Switch-Disconnectors with ATEX Approval
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What does ATEX stand for?
ATmosphéres EXplosibles = ATEX
Explosive atmospheres
Gas Dust
Two standards
For manufacturers: 94/9/EC (binding from 06/2003)
For operators: 1999/92/EC (binding from 06/2006)
Device groups
GroupIII
Application fieldMiningeverything apart from mining
Selection of devices by device groups
GroupIIIIIIII
CategoryM1M212 3
Safetyvery highhighvery highhighnormal
Explosion risk assessment
Gas, steam, mistZone 0Zone 1Zone 2
Ex risk
continuous, frequent, long,occasionalnormally not, but otherwise for a short period
Dust
Zone 20Zone 21Zone 22
Selection of devices and protective systems by categories
Category
11, 21, 2, 3
Dust
Zone 20, 21, 22Zone 21, 22 Zone 22
Gas, steam, mist Zone 0, 1, 2 Zone 1, 2 Zone 2
Gas, steam, mistZone 0Zone 1Zone 2
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Rotary SwitchesRotary Switches and Switch-Disconnectors with ATEX Approval
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ATEX approval for Moeller
Moeller offers T rotary switches (from 32 to 100 A) and P switch-disconnectors (from 25 to 100 A) in accordance with the binding ATEX Directive 94/6 EC (binding from 06/2006). The switches are provided with the equipment marking Ex II3D IP5X T90°C and are approved for the Ex zone 22 in explosive dust atmospheres.Explosive dust atmospheres are present in:• Mills,• Metal polishing workshops,• Woodworking facilities,• Cement industry,• Aluminium industry,• Animal feed industry,• Grain storage and preparation,• Agriculture,• Pharmacy etc.
The ATEX switches are used as:• Main switches• Maintenance switches• Repair switches,• ON-OFF switches or,
• Changeover switches.
The following ATEX switches are available:
Note Moeller ATEX switches have passed the EC prototype test for main, maintenance and repair switches for the current ranges from 25 to 100 A. They are approved for explosive dust atmospheres in accordance with category II 3D, with the test number: BVS 04E 106X.For further information see installation instructions AWA1150-2141.
General installation and application notes
• Only suitable cable glands may be used for category 3D!
• Use only temperature resistant cables (> 90°C)!• The maximum surface temperature is 90°C!• Operation only permissible at an ambient
temperature between –20 and +40°C!• Observe the technical data of the switch used!
• Never open the device in dust explosive atmospheres!
• Observe the requirements of EN 50281-1-2!• It should be checked that the device is free of
dust prior to assembly!• Do not open the device when energized!
Current range
T rotary switches
P switch-discon-nectors
25 A – P1-25/I2
32 A T3-.../I2 P1-32/I2
63 A T5B-.../I4 P3-63/I4
100 A T5-.../I5 P3-100/I5
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