Brochure Sentron WL

Global network of innovation

WL Circuit Breakers rev. 104

powerful ideasRELIABLE SOLUTIONS

Low Voltage Power Circuit Breakers

WL Brochure2.qxd 9/5/03 12:52 PM

You want lower operating costs.

Less downtime. Better

communications. You want to

work with fewer parts. In less

space. With more sophisticated

capabilities. But easier operation.

You need the freedom to make

last-minute changes. Or take

advantage of quick-ship

opportunities. And you want it

all with the assurance of fit-and-

forget reliability.

modularity

This changes everything.


It’s a complicated request. So you turn to a simple concept. The

Tangram. An ancient Chinese game in which a few simple

components provide endless possibilities. You take this concept of

Tangram-like modularity and apply it to a new breed of breakers.

Suddenly you have unlimited possibilities with steadfast reliability.

It’s called the WL Circuit Breaker.

And it changes everything.


Reconfigure it in minutes. Rely on it for years.

Our new WL Circuit Breaker can change

as quickly as your specifications. Using

a minimal number of parts, you can

configure and reconfigure it

for virtually any application.

The only thing that doesn’t change

is its exceptional reliability.

Competitive advantages.

Internal Rogowski Coilsprovide precise currentsignals for meteringwith <1% accuracy and do not saturate at high current levels Pull-apart front-mount terminal

blocks for easy access with dedicated internal wiring points

Reliable -- This highly engineered

reliable design offers increased

operations and the Extended

Instantaneous Protection (pat. pending)

function allowing 100% of the full

withstand rating of the frame and still

providing the ability of the breaker to be

applied up to the maximum Interrupting

Rating. Highly accurate internal

Rogowski CTs allow for precision

protection and metering – saving

money on down time, field service,

and increased customer satisfaction.

Compact -- The compact size and

modular configurations save real estate,

offering the smallest gear footprint

without energy-wasting heat sinks.

Easy to Use -- The ease of use – from

integrated racking handles, pull-apart

front-mounted terminal blocks, and simple

selection and application tools – reduces

installation time and errors, adds

flexibility, and minimizes training.


Modular & Flexible -- The modularity

and flexibility of front-mounted

common plug-in accessories, field

upgradable trip units, and field

changeable contacts and arc chutes

reduce inventory, allow for last-minute

adaptations, support quick-ship

opportunities, forgive changes, and

support the most cost-effective

configuration.

System Solution -- The system

solution offers monitoring and control

through Internet, MODBUS, or PROFIBUS

communications, supports energy

management through advanced

metering and quality analysis, allows

cellular alarm paging to maintenance

personnel, and offers complete ratings

and accessories – meeting every need

with one design.

Safety -- Safety-related features such

as a visible ready-to-close indicator,

customizable interlocking, and

mechanical trip indication offer

peace of mind.

The WL may be new to North America, but it

has already been proven in the field – with

two years of flawless performance in

Europe. After all, it’s from Siemens, the

undisputed global technology leader.

This is not a test.

reliabilityAccessories and trip unitsare easily mounted at thefront of the breaker andeach one fits all frames

The front panel ready-to-close visual indicator confirms several breaker conditions are met before closing


Easy to use. Easy to choose.

With so many options and so much

flexibility, the WL is the obvious choice

for virtually any application. It supports

systems from 200A to 5000A and

reflects our conviction that no matter

how sophisticated a solution may be,

it still must be easy to use. Easy to

install. And easy to maintain.

Even something as simple as providing

a single, easy-to-read assembled catalog

number can take a lot of hassle out of

ordering new products. It's our attention

to this kind of detail that makes the WL

such a great breaker to work with.

If a product is known for its reliability,

shouldn’t the support behind it be

just as reliable?

The WL is there when you need it.

So are we. With a reliable sales and

support network that ensures fast

customer delivery times and

quick-ship opportunities.

easy planning


The more demanding

your application, the more

you need this breaker.

Difficult conditions. Tight spaces.

Changing specifications. High standards

for critical systems. The WL was made

for them. And that’s welcome news in

demanding industries.

Compact size for Panelboard and

Switchboard Builders

Its small footprint and easy operation

make the WL unique. Based on a typical

bill of materials, switchgear with

WL Circuit Breakers uses up to 48% less

floor space than other major brands.

Reliability and accuracy for

Engine Generator Manufacturers

The rugged reliability of the WL ensures

long life. The electronic trip unit tracks

and communicates potential life

expectancy based on contact wear.

A ready-to-close indicator checks system

status to ensure breaker-readiness at

a critical time.

Durable construction for Marine and

Petro-Chemical Equipment Makers

Designed to last, the attention to detail

even extends to parts such as cover

screws with permanent inserts instead of

self-tapping bolts which can be stripped.

The ideal system solution for

Electrical Consultants

You get multiple protocol capability

without external breaker hardware.

Not only can the breaker be controlled

remotely, but it can alert maintenance

personnel via cell or pager alarms.


Breaker Ratings

Rated nominal current at 40° C ambient temperature A 800 1,600Rated operational voltage (max) V 635Rating Class

Interrupting Rating at 254V kA



Service life (with maintenance)

DimensionsA (width) 18.1 in.B (height) 19.1 in.C (depth) 18.6 in.

Technical Overview: WL Low Voltage Power Circuit BreakersANSI / UL 1066

N S H L F*

50 65 85 100 200 6

50 65 85 100 200 6

50 65 65 85 200 6

ETU725

ETU727

ETU745

ETU748

ETU755

ETU776

mechanical 15,000electrical 15,000

Available Trip Units

* F-Class Interrupting ratings are with fuses

switching operationsswitching operations

Frame Size II


2,000 3,200 3,200 4,000 5,000635

. 27.7 in.

. 19.1 in.

. 18.6 in.

WL Circuit Breaker:

A circuit breaker family for the complete spectrum ofpower distribution – whether in commercial or industrialapplications

• available

– not available

optional

S H L F* S H L

65 85 100 200 65 85 100

65 85 100 200 65 85 100

65 65 85 200 65 65 85

M F* H L M F*

150 200 85 100 150 200

150 200 85 100 150 200

85 200 85 85 85 200

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• • • – – – – – – – – – – –

• • • • • – – – – – – – – –

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Frame Size IIIII


Options and accessories at a glance.WL Circuit Breaker

1

2

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Guide Frame

Vertical to Horizontal Bus Connector

Position Signaling Switch

Breaker / Guide Frame Grounding Contact

Shutter (locking)

Modbus or Profibus Communications

External CubicleBUS I/O Modules

Plug-in Open & Close Solenoids

Multiple Secondary Connections

Auxiliary Switch Block

Door Sealing Frame

Interlocking Set Base Plate

Protective Cover for ON/OFF buttons

Multiple Key Locking Accessories

Single Bolt Motor Operator Installation

Operations Counter

Breaker Status Sensor (BSS)

Complete Trip Unit Family

Remote Reset

Breaker Data Adapter (BDA) - Direct Internet Connection

Multi-angle LCD

Ground Fault Protection Module

Rating Plug

Metering Function (+ waveforms and harmonics)

WL Circuit Breaker

21

1

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4

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2

5

18

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6

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1110

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25


State-of-the-art communication

Diagnosis also possible via the Internet

Power Management

Communication is everything.

The WL always keeps watch and always

keeps in touch. It can monitor a variety

of breaker, switch, meter, relay, and

motor control functions in your

distribution system – continually

checking for power quality issues

and reporting back to you.

As a result, you can manage the true

energy costs of any process in real time

today…and can plan for expansion and

preventive maintenance tomorrow.

Outages and potential outages are

diagnosed instantly. And, if a serious

event occurs, the WL can even phone

maintenance personnel to alert them,

using cellular paging alarms.

Keep costs low while keeping your

options open.

The metering and monitoring

components that make all of this

possible can be ordered separately.

These affordable upgrades require

minimal wiring. They’re just another way

that the WL keeps costs low while

keeping your options open.

Cost-effective entry into

communication.

The standard knob-based ETU745 and

ETU748 trip units offer all options for

future retrofit applications (communication,

display, ground fault protection) and are

equipped with an integrated CubicleBus.

These trip units are priced only slightly

above the base model ETU725 and

the ETU727.

The ETU755 and ETU776 trip units

feature a remote-only interface or

a keypad and back-lit graphical

display version respectively.

Cost advantages by modularity.

Metering Function, Metering Function

PLUS with triggerable wave-form and

harmonic analysis, COM 16 MODBUS

module, COM 15 PROFIBUS module,

and all CubicleBUS I/O modules can be

ordered separately. This allows

maximum flexibility and cost saving.

Minimal wiring effort

if upgraded later.

Any communication option, I/O,

or metering function is available

factory installed but can also be

upgraded easily at a later stage.

system solutions


Interrogate or set up parameters of the

WL using MODBUS, PROFIBUS,

Ethernet, or the World Wide Web.

The advanced metering, quality,

diagnostics, and relaying capabilities of

these highly configurable trip units can

be communicated through MODBUS or

PROFIBUS. You can also operate and

monitor the breakers remotely using

WinPM.Net supervisory software and

BDA Plus, our unique direct Internet

connection, for paramaterization,

operation and monitoring via the

World Wide Web.

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Siemens Type WL Low Voltage Switchgear Features

Intermix all breaker frame sizes as well as main breakers, tie breakers, and feeder breakers in the same section

Three levels of bus up to and including 5000A, two levels of bus at 6000A

Front vertical and horizontal wiring channels and easy access secondary terminal doors

Insulated / Isolated bus thru 6000A

All bolted copper bus construction (no welds for the OEM)

100kA standard with 150kA and 200kA optional bus bracing available

Breakers can be shipped in the gear

Gear can be tipped on its side for low doorway entry

No front breaker door venting

Rear top or bottom mounted neutral bus

Small footprint with up to 3200A non-fused breaker in a 22” section

7.5” MCC type “X space” mounting modularity

Seismic qualification

Walk-in and non-walk-in outdoor enclosures

Floor space comparison shown using the following configuration:4000A incoming, cable fed480Y/277V 3 phase 4 wire system1 – 4000A main1 – 2000A feeder1 – 1600A feeder4 – 800A feeders

SiemensType WLSwitchgear

SquareDPower Zone 4(48% larger)

Width

TOP VIEW

Depth

Even the switchgear fits you better.

Our type WL switchgear uses less

space than any other switchgear

on the market (leading

competitors are up to 48%

larger). Everything about it is

designed for ease of use, easy

access, and versatility. You can

intermix all breaker frame sizes

as well as the main, tie, and

feeder breakers in the same

section. Our switchgear features

three levels of all bolted copper

bus (no welds for the OEM) up

to 5000A and two levels up to

6000A.

Low Voltage Switchgear Floor Space Comparison

Floor Total SizeWidth Depth Space Number Comparision(in) (in) (ft2) of Breakers to Siemens

Siemens Type WL 54 60 22.5 1-main, 6-feeder ––

Square D Power Zone 4 80 60 33.3 1-main, 6-feeder 48% larger

Cutler-Hammer Magnum DS 66 60 27.5 1-main, 6-feeder 22% larger

GE AKD-10 72 60 30.0 1-main, 6-feeder 33% larger

Low Voltage Switchgear Footprint Comparison

The WL Breaker also yields small footprints for custom switchgear applications


The WL Circuit Breaker.

The breaker that fits virtually

every application. And any

requirement. No other product

on the market today offers more

flexibility or greater reliability.

It really is the perfect fit.

You just found the perfect fit.

Now all you have to do is

follow through.

Call 1-800-964-4114

today or visit us at

www.sea.siemens.com\power

Selection and Application GuideOrder #: CBSA-00001-0903

WL Config - Trip UnitParameter ConfigurationSoftwareOrder #: CBCD-00002-0903

WL Select ElectronicCatalog

This CD includes WLSelect Catalog NumberSelection & PricingSoftware, Easy TCC Time Current Curve & Coordination Software, Product Overview Presentation, Flash Video, Selection & ApplicationGuide, and Promotional BrochureOrder #: CBCD-00003-0903

WL Toolbox CD

This CD includes Easy TCC Time Current Curve & Coordination Software, CAD drawings, CSI Specification, MODBUSCommunication Application Manual,and the Instruction ManualOrder #: CBCD-00004-0903

Available Support Tools:


Siemens Energy & Automation, Inc.3333 Old Milton ParkwayAlpharetta, GA 30005

[email protected]

www.sea.siemens.com\power

Order # CBBR-00001-0803 10M0903CEG Printed in USA

© 2003 Siemens Energy & Automation, Inc. All Rights ReservedSiemens is a registered trademark of Siemens AG. Product names mentioned may be trademarks or registered trademarks of their respectivecompanies. Specifications are subject to change without notice.


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