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Siemens ETU745 Application Manual

Low voltage wl circuit breakers.
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Selection and Application Guide
Low Voltage
WL Circuit Breakers
usa.siemens.com/circuitbreakers
Courtesy of NationalSwitchgear.com

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Table of Contents

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   Summary of Contents for Siemens ETU745

  • Page 1 Selection and Application Guide Low Voltage WL Circuit Breakers usa.siemens.com/circuitbreakers Courtesy of NationalSwitchgear.com...
  • Page 2 Courtesy of NationalSwitchgear.com...
  • Page 3 For technical support, please contact the Technical Support the matter should be referred to the local Siemens sales office. Hotline at 1-800-333-7421, or submit a request through Online The contents of this catalog shall not become part of or modify Support: http://support.automation.siemens.com/US...
  • Page 4: Table Of Contents

    WL Circuit Breaker Table of Contents Features and benefits Fixed-mounted breaker bus connectors Breaker assembly view Primary lug connector kits Product overview Draw-out cradle assembly view WL Catalog Numbering Overview Electronic trip units (ETUs) 8 - 14 UL 489 Ratings 27 - 28 ETU models and features Ratings for UL 489...
  • Page 5 WL Circuit Breaker Table of Contents UL 1066 non-automatic assembled breaker Ground fault and current sensors catalog numbers 49 - 52 Breaker capacity, frame size, switch type and Circuit breaker accessories 113 - 116 frame rating Shunt trip releases Auxiliary contacts Auxiliary switches Shunt trip Bell Alarm switches...
  • Page 6: Features And Benefits

    Breakers. The WL line-up of breakers developed by Siemens to name a few. Yes, mission critical applications trust the Siemens combines decades of patented circuit breaker protection WL circuit breakers to operate safe and reliably. The compact...
  • Page 7: Breaker Assembly View

    WL Circuit Breaker Breaker Assembly View Exterior breaker features 4. Integral racking handle with position indicator 1. Secondary contacts 5. Trip unit with LCD 2. Charging handle 6. Arc chutes 3. Centralized operator panel Interior breaker features 1. Remote closing coil 8.
  • Page 8: Product Overview

    WL Circuit Breaker Superior individual products for low-voltage power distribution systems 1. Guide Frame (for drawout version only) 10. Auxiliary Switch Block 19. Remote Reset 20. Breaker Data Adapter (BDA) for 2. Vertical to Horizontal BUS Connector 11. Door Sealing Frame 3.
  • Page 9: Draw-out Cradle Assembly View

    WL Circuit Breaker Draw-out Cradle Assembly View Standard cradle 1. Stationary secondary disconnect 2. Primary disconnects 3. Cradle frame assembly for draw-out breakers Cradle accessories 1. Mechanical interlock (not shown) 5. Breaker position switches (TOC) 2. Isolation shutters 6. Communication module location (COM 16 or COM 15) 3.
  • Page 10: Electronic Trip Units (etus)

    DAS. • Selectable I t: ETU745 and 776 make it possible to switch The ground fault delay adjustment is used to set the time interval over from an I t to an I...
  • Page 11 WL Circuit Breaker Electronic Trip Unit (ETU) ETU models and features Features and characteristics ETU745 ETU748 ETU776 Long-time overcurrent protection (L) Short-time delayed overcurrent protection (S) Instantaneous overcurrent protection (I) Neutral conductor protection (N) Ground fault protection (G) Selectable neutral protection...
  • Page 12: Etu Communication

    WL Circuit Breaker Electronic Trip Unit (ETU) ETU communication The ETU uses a Siemens proprietary communication network called CubicleBus. The CubicleBus network ensures all Siemens devices are able to transmit data reliably and efficiently. The ETU can not be connected directly any other network so the use of converters are necessary to allow communication between the ETU and the outside world.
  • Page 13: Etu Metering Function

    WL Circuit Breaker Electronic Trip Unit (ETU) Power metering function In addition to excellent protection capabilities, the WL ETU has used for overload protection. ETU power metering can measure unparalleled power metering functionality. True RMS current the following: sensing for metering is obtained from the same current sensors Measured value Value range Accuracy...
  • Page 14: Alarm Parameters

    WL Circuit Breaker Electronic Trip Unit (ETU) Alarm parameters The metering function includes the following alarm set-point functions: Alarm function Setting range Possible delay Overcurrent 3 ... 10000A 0 ... 255 s Overcurrent – ground fault 3 ... 10000A 0 ... 255 s Overcurrent –...
  • Page 15: Function Overview Of The Etu

    WL Circuit Breaker ETU Function Overview Basic functions ETU745 Long-time overcurrent protection Function can be disabled – Setting range I x ... 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.8, 0.9, 1 Switch-selectable overload protection (I t or I t dependent function)
  • Page 16 WL Circuit Breaker ETU Function Overview Basic functions ETU748 ETU776 Long-time overcurrent protection Function can be disabled – – Setting range I x ... 0.4, 0.45, 0.5, 0.55, 40-100% of I (Adjustable in Amps 0.6, 0.65, 0.7, 0.8, 0.9, 1 Switch-selectable overload protection t or I t dependent function)
  • Page 17: Factory Installed Options

    WL Circuit Breaker Factory Installed Options Breaker mounted options Auxiliary contacts Auxiliary contacts can be used to provide interlocking control Ground fault module or remote indication of the breakers main contact position (open The ground fault module (GFM) is used to detect current or closed breaker).
  • Page 18: Bell Alarm Contact And Reset Coil

    WL Circuit Breaker Factory Installed Options Bell alarm contact and reset coil Breaker push button lock-outs The bell alarm contacts are mechanically activated by the trip A finger or hand tool shroud option can be added to the unit solenoid. If a breaker trip condition occurs, the bell alarm breaker front cover to isolate the open and close buttons form-C contacts will change state closing or opening a user circuit from unintentional use.
  • Page 19: Spring Charging Handle Lock

    WL Circuit Breaker Factory Installed Options Spring charging handle lock Shunt trip An optional padlock provision to prevent manual charging of the The shunt trip opens the circuit breaker instantly when energized closing springs can be installed on the breaker front cover. This by a remote power source.
  • Page 20: Status Contact

    WL Circuit Breaker Factory Installed Options Status contact Undervoltage release A status contact is a mechanical switch that is suitable for In the event of loss or low level control circuit voltage, an monitoring an undervoltage trip or second shut trip coil undervoltage release may be used to automatically open position.
  • Page 21: Secondary Disconnect

    Siemens offers the choice of unique, uncoordinated, the breaker is disconnected or withdrawn. After removal of the Kirk and Superior key lock types. If a custom, coordinated key/ breaker from its compartment, the shutters may be padlocked cylinder is required, order the lock provision-only.
  • Page 22: Cradle Accessories And Options

    WL Circuit Breaker Cradle Factory Installed Options Arc chute cover MOC (Mechanism Operated Contacts) The arc chute cover is available for isolating enclosure material Mechanism Operated Contacts (MOC) are a cradle mounted or parts located above the circuit breaker where heat and accessory which indicate the state of the breaker’s internal exhaust gases may exit from the breakers arc chutes.
  • Page 23: Accessories

    Communication power supplies Breaker display adapter (BDA) For WL devices that require a 24VDC input we offer the Siemens The BDA can be used to read or modify the breaker ETU and SITOP power supply. The SITOP power supply is a class 2 rated Cubiclebus parameters using a laptop, pocket PC or remote devices suitable for supporting loads of 2.5 or 3.8 amps.
  • Page 24: Metering Current Transformer 3-phase Window

    WL Circuit Breaker Accessories Metering current transformer 3-phase window Metering current transformer – single phase (cradle mounting only) A single piece housing that is compact and designed to fit around For draw-out breaker applications a three phase metering CT phase or neutral bussing. Termination screws are integral to the is available.
  • Page 25: Neutral Current Sensor - 4-wire Residual

    WL Circuit Breaker Accessories Neutral current sensor – 4-wire residual ground fault Breaker lifting For 4-wire residual ground fault protection we offer neutral The breaker lifting yolk is designed to transport the WL breaker current sensors with or without bus bar coupling. The sensors are when using a hoist or other lifting equipment.
  • Page 26: Cubiclebus Modules

    Pre-assembled CubicleBUS communication cables the active parameter set to change. If the connected ETU does (RJ45-M connections) not have two parameter set capability (e.g. ETU745 or ETU748), this input can also be used without any restrictions. 1 meter length: order part number WLCBUSCABLE1...
  • Page 27: Fixed-mounted Breaker Bus Connectors

    WL Circuit Breaker Accessories Fixed-mounted breaker front bus connectors Mechanical lug connector kits are available for connecting 800 to Front connector bus kits are available for adapting WL breaker 2000A WL front connector bus kits (sold separately) to power cables. primary mounting stabs to a standard NEMA bussing and bolt- Frame size 1, 1200A max, 65 kAIC at 480V, order part number WLS2P12CONUL hole pattern.
  • Page 28: Wl Catalog Numbering Overview

    WL Power Circuit Breaker WL Catalog Numbering Overview Digit Number Interrupting Class Frame Size Breaker Type Number of Poles Frame Ampere Rating Rating Plug Electronic Trip Unit (ETU) Bell Alarm, Breaker Ready-to-Close, Auxiliary Contacts Shunt Trip Undervoltage Release (with or without time delay) or 2nd Shunt Trip Charging Motor, Motor Switch, Operations Counter Close Coil, Power Metering and Communications Breaker Locks...
  • Page 29: Ul 489 Ratings

    WL Insulated Case Circuit Breaker Ratings for UL489 Listed Breakers WL frame ratings – frame size 1 800A 1200A 1600A 2000A Rating Class Interrupting current frame Ics (kAIR RMS) 50/60 Hz 240VAC 480VAC 600VAC Short-time current Icw (kA RMS) 0.4 sec. Extended instantaneous protection rating (kA RMS) 480VAC 600VAC...
  • Page 30 WL Insulated Case Circuit Breaker Ratings for UL489 Listed Breakers WL frame ratings – Frame size 3 4000A 5000A Rating Class Interrupting current frame Ics (kAIR RMS) 50/60 Hz 240VAC 480VAC 600VAC Short-time current Icw (kA RMS) 0.4 sec. Extended instantaneous protection rating 480VAC (kA RMS) 600VAC...
  • Page 31: Ul 489 Assembled Breaker Catalog Number

    WL Insulated Case Circuit Breaker UL 489 Listed Catalog Number Interrupting rating, frame size, breaker type and frame rating Breaker catalog number Note: Cradle must be ordered separately for drawout breaker types (see page 36) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Interrupt rating (kA)
  • Page 32: Rating Plug

    2000 2500 3000 4000 5000 Electronic trip unit (ETU) Protective Trip unit function LCD display Ground fault models Alpha num. Alarm Trip ETU745 ETU745 ETU745 ETU745 ETU745 ETU745 ETU748 ETU748 ETU748 ETU748 ETU748 ETU748 ETU776 ETU776 ETU776 (X) Indicates function can be disabled by user 1 Neutral protection “N”...
  • Page 33: Bell Alarm, Ready-to-close Contacts

    WL Insulated Case Circuit Breaker UL 489 Listed Catalog Number Breaker catalog number Bell alarm, breaker ready-to-close, auxiliary contacts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Bell alarm Remote reset Breaker Breaker open/close coil voltage Form C ready-to-close...
  • Page 34: Undervoltage Release

    WL Insulated Case Circuit Breaker UL 489 Listed Catalog Number Breaker catalog number Undervoltage Release (with or without time delay) or 2nd Shunt Trip 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Operation voltage UVR status without delay...
  • Page 35: Close Coil, Power Metering And Communications

    WL Insulated Case Circuit Breaker UL 489 Listed Catalog Number Breaker catalog number Close coil, power metering and communications 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Close coil Power metering PROFIBUS operation voltage capable MODBUS None...
  • Page 36: Breaking Capacity, Frame Size, Switch Type And Frame Rating

    WL Insulated Case Switch UL 489 Listed Non-automatic Catalog Number Switch catalog number Breaking capacity, frame size, switch type and frame rating 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Breaking capacity (kA) Frame Frame size Switch type...
  • Page 37: Shunt Trip

    WL Insulated Case Switch UL 489 Listed Non-automatic Catalog Number Switch catalog number Shunt trip 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Operation voltage Status Shunt Continuous duty rated contact trip (electrical interlock) None Undervoltage release (with or without time delay) or 2nd shunt trip Operation...
  • Page 38: Charging Motor Switch And Operation Counter

    WL Insulated Case Switch UL 489 Listed Non-automatic Catalog Number Switch catalog number Charging motor, motor switch and operation counter 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Charging motor operation voltage Motor cut-off Operations switch counter...
  • Page 39: Switch Locks

    WL Insulated Case Circuit Switch UL 489 Listed Non-automatic Catalog Number Switch catalog number Switch locks 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Key lock breaker Key lock breaker Padlock provisions for Padlock provisions OPEN position (lock OPEN position (lock...
  • Page 40: Ul 489 Accessories

    WL Insulated Case Circuit Breaker UL 489 Listed Accessories External breaker accessories Description Catalog number Front mount connectors for fixed breakers FS1, 85kAIC at 480V max. 800A, 1200A WLHF12CONUL FS2, 100kAIC at 480V max. 1600A WLL2F16CONUL FS2, 100kAIC at 480V max. 2000A WLL2F20CONUL FS2, 100kAIC at 480V max.
  • Page 41: Ul 489 Cradle Catalog Numbers

    WL Insulated Case Breaker Cradles UL 489 Listed Catalog Number Cradle catalog number Interrupting rating, frame size, and frame rating G 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Interrupt rating (kA) Frame Frame size 240VAC Max ampere...
  • Page 42 WL Insulated Case Breaker Cradle UL 489 Listed Catalog Number Cradle catalog number G 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Arc chute covers None Arc chute cover s (FS1 only) Arc chute covers (FS2 only) Arc chute covers (FS3 only –...
  • Page 43: Ul 489 Cradle Accessories

    WL Insulated Case Breaker Cradles UL 489 Listed Accessories Cradle accessories Catalog number 3-phase metering CTs, cradle mounted (3 windows per CT) FS1 and FS2 Rating – 800:5 WLG8005MCT2 Rating – 1200:5 WLG12005MCT2 Rating – 1600:5 WLG16005MCT2 Rating – 2500:5 WLG25005MCT2 Rating –...
  • Page 44: Ul 1066 Ratings

    WL Power Circuit Breaker Ratings for UL 1066 Listed (ANSI C37) Breakers WL frame ratings – Frame size 2 800A 1600A Rating Class Interrupting current frame Ics (kAIR RMS) 50/60 Hz 254VAC 508VAC 600VAC — — — — — — —...
  • Page 45: Ratings For Ul 1066 (non-automatic)

    WL Power Circuit Breaker Ratings for UL 1066 Listed (ANSI C37) Breakers WL frame ratings – Frame size 3 3200A 4000A 5000A Rating Class Interrupting current frame Ics 254VAC (kAIR RMS) 50/60 Hz 508VAC 600VAC — — — — — —...
  • Page 46: Ul 1066 Assembled Breaker Catalog Number

    WL Power Circuit Breaker UL 1066 Listed Catalog Number Interrupting rating, frame size, breaker type and frame rating Breaker catalog number Note: Cradle must be ordered separately (see page 49) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Interrupt rating (kA) Frame...
  • Page 47: Rating Plug

    2000 2500 3000 3200 4000 5000 Electronic trip units (ETU) Trip unit Protective function LCD display Ground fault module type alpha num. Alarm Trip ETU745 ETU745 ETU745 ETU745 ETU745 ETU745 ETU748 ETU748 ETU748 ETU748 ETU748 ETU748 ETU776 ETU776 ETU776 ( ) Function can be disabled by user.
  • Page 48: Bell Alarm, Auxiliary Contacts

    WL Power Circuit Breaker UL 1066 Listed Catalog Number Breaker catalog number Bell alarm, breaker ready-to-close, auxiliary contacts 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Bell alarm Remote reset Breaker Breaker open/close coil voltage Form C ready-to-close auxiliary switches...
  • Page 49: Undervoltage Release

    WL Power Circuit Breaker UL 1066 Listed Catalog Number Breaker catalog number Undervoltage release (with or without time delay) or 2nd shunt trip 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Control voltage 2nd shunt without delay with delay...
  • Page 50: Close Coil Power Metering And Communications

    WL Power Circuit Breaker UL 1066 Listed Catalog Number Breaker catalog number Close coil, power metering and communications 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Close coil Power metering PROFIBUS operation voltage capable Modbus None Breaker locks...
  • Page 51: Catalog Numbers

    WL Power Circuit Switch UL 1066 Listed Non-automatic Catalog Number Switch catalog number Breaking capacity, frame size, switch type and frame rating 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Breaking capacity (kA) Frame Frame size 240VAC...
  • Page 52: Auxiliary Contacts

    WL Power Circuit Switch UL 1066 Listed Non-automatic Catalog Number Switch catalog number Breaker ready-to-close auxiliary contacts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Breaker ready-to-close Breaker open/close auxiliary switches 1 b contact 2 a + 2 b 4 a + 4 b 4NO+4NC...
  • Page 53: Charging Motor, Motor Switch, Operations Counter

    WL Power Circuit Switch UL 1066 Listed Non-automatic Catalog Number Switch catalog number Charging motor, motor switch, operations counter 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Charging motor operation voltage Motor cut-off Operations switch counter...
  • Page 54: Catalog Numbers

    WL Power Circuit Switch UL 1066 Listed Non-automatic Catalog Number Switch catalog number Switch locks 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Key lock breaker Key lock breaker Padlock provisions for Padlock provisions OPEN position (lock OPEN position (lock OPEN and CLOSE...
  • Page 55 WL Power Circuit Breaker Cradles UL 1066 Listed Cradle Catalog Number Cradle catalog number Interrupting rating, frame size and frame rating G 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Interrupt rating (kA) Frame Frame size 240VAC...
  • Page 56 WL Power Circuit Breaker Cradles UL 1066 Listed Cradle Catalog Number Cradle catalog number G 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Arc chute covers None Arc chute covers (FS2 only – Except Class F) Arc chute covers (FS3 only –...
  • Page 57: Secondary Terminal Assignments

    WL Breaker Application data WL Secondary Terminal Assignments WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 58: General Wiring Schematic

    UPSTREAM OF SENSOR X8 - 10 THE RIGHT TWISTED PAIR NEUTRAL SENSOR TWISTED PAIR X8-10 TRIP UNIT X8-9 ETU745, ETU748, ETU776 INTERNAL WIRING POTENTIAL TRANSFORMER INPUTS CubicleBus WIRING IS CONTINUOUS IF NO METERING MODULE METERING MODULE IS INSTALLED INTERNAL WIRING INTERNAL WIRING...
  • Page 59: General Wiring Schematic

    WL Breaker General Wiring Schematic CubicleBus MODULES INSTALL TERMINATING RESISTOR (ZSI) ZONE SELECTIVE DIGITAL OUTPUT MODULE DIGITAL OUTPUT MODULE ANALOG OUTPUT DIGITAL INPUT INTERLOCKING MODULE WITH ROTARY SWITCH CONFIGURABLE MODULE MODULE MUST BE FIRST MODULE RJ45 RJ45 RJ45 RJ45 RJ45 RJ45 RJ45 RJ45...
  • Page 60: Ground Fault Setting

    Direct measurement of the ground fault current Measuring method 1: in position sum I Modules Measuring method 2: in position G. The trip unit versions ETU745, ETU748, and ETU776 can be retrofit- With trip unit ETU776, this setting is ted with a ground fault protection implemented via the display and key module.
  • Page 61: Metering Voltage Details

    WL Breaker Metering Voltage Details VT / PT connections for the WL Breaker when equipped The following ratios are suggested or equivalent VTs can with metering be used: (Must be suppled by others) WL power metering (“Meter Function”) can accept 3W or 4W 240:120 = 2:1 (ITI Part # 460-240 or 468-240) (LL/LN) system voltage connections.
  • Page 62 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame size 1 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 63 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame size 1 Horizontal Connectors Top view Bottom view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 64 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 1 Rear Vertical Connectors Top view Rear view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 65 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 1 Front Connectors Top view Front view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 66 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 1 Front Connectors and Lugs Top view Front view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 67 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Fixed Size 1 Door Cut-outs WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 68 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 2 Interrupting class Dimension B Dimension C Dimension D 15.85 [402.5] 18.70 [475.0] 22.30 [566.5] 17.80 [452.10] 18.70 [475.0] 25.20 [640.0] WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 69 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 2 Optional Vertical Connectors Interrupting Class Rated Current Dimension A max. 1600 A 0.39 [10] max. 2000 A 0.59 [15] max. 3000 A 1.18 [30] 1600 - 3000 A 1.18 [30] WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 70 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 2 Optional Vertical Connectors Top view Rated Current Dimension A max. 1600 A 0.39 [10] max. 2000 A 0.59 [15] max. 3000 A 1.18 [30] C-class always 1.18 [30] Rear view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 71 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 2 Front Connectors LH side view Rated Current Dimension A max. 1600 A 0.39 [10] max. 2000 A 0.79 [20] max. 2500 A 0.79 [20] Front view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 72 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 2 3000A Front Connectors WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 73 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 3 LH side view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 74 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 3 Vertical Connectors and Horizontal Stabs Top view Top view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 75 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 3 Top view Rear view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 76 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 3 5000A Vertical Connectors LH side view Front view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 77 Low Voltage Circuit Breaker UL489 Fixed-mount Breaker Dimensions Frame Size 2 and 3 Door Cut-outs Door cut-out and mounting holes for Door Sealing Frame Door cut-out (after mounting Door Sealing Frame) Door cut-out (Middle escutcheon visible) Minimal door cut-out (Only center eustcheon visible) 1) Breaker mounting surface.
  • Page 78: Ul 489 Draw-out Breaker Dimensions

    Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 1 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 79 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 1 Vertical Connectors Rear view Top view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 80 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 1 Bottom view WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 81 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 1 Charging and Racking WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 82 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 1 Plexiglass Cover WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 83 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 1 Door Cut-outs WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 84 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 2 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 85 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 2 2500/3000A 2000A 800/1200/1600A WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 86 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 2 Vertical Connectors and Optional Horizontal Connectors Horizontal Main Vertical Main Bus Connectors Bus Connectors                        Horizontal Main Vertical Main Bus Connectors Bus Connectors Note: Rotatable main bus connectors are only available under the following conditions: (1) Only acceptable for FS II 800A-2000A Frame Sizes (2) Only acceptable for short circuit ratings of 85KAIC or less WL Circuit Breaker Selection and Application Guide...
  • Page 87 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 2 Charging, Racking and Draw-out WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 88 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 3 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 89 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 3 Vertical Connectors WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 90 Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 3 Charging, Racking and Draw-out WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 91: Ul 489 Draw-out Breaker Dimensions

    Low Voltage Circuit Breaker UL489 Draw-out Breaker Dimensions Frame Size 2 and 3 Door Cut-outs Door cut-out and mounting holes for Door Sealing Frame Door cut-out (after mounting Door Sealing Frame) 4.78 [121.5] 5.63 [142.9] Door cut-out (Middle escutcheon visible) Minimal door cut-out (Only center eustcheon visible) 1) Mounting surface of the circuit breaker or cradle.
  • Page 92: Ul 489 Door Sealing Frame Dimensions

    Low Voltage Circuit Breaker UL489 Door Sealing Frame Dimensions Frame Size 2 and 3 Door Cut-outs 1) Mounting surface of the circuit-breaker or cradle. 2) Center of breaker front panel. 3) Drill eight holes for mounting door sealing frame. WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 93 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 2 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 94 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 2 3200A 2000A 800/1600A WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 95 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 2 Horizontal Main Vertical Main Bus Connectors Bus Connectors Horizontal Main Vertical Main Bus Connectors Bus Connectors Note: Rotatable main bus connectors are only available under the following conditions: (1) Only acceptable for FS2 800A –...
  • Page 96 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 2 Charging, Racking and Draw-out WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 97 Low Voltage Circuit Breaker UL 1066 Draw-out Fused Breaker Dimensions Frame Size 2 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 98 Low Voltage Circuit Breaker UL 1066 Draw-out Fused Breaker Dimensions Frame Size 2 13.35 7.89 [339.2] [200.5] Top ventilation area (must remain unobstructed) 5.25 [133.4] 5.25 [133.4] 0.25 [6.3] 0.25 [6.4] 1.75 [44.5] Ø0.53 Ø[13.5] 4.00 [101.6] 7.37 [187.3] 0.75 9.25 [19.1] [235.0]...
  • Page 99 Low Voltage Circuit Breaker UL 1066 Draw-out Fused Breaker Dimensions Frame Size 2 Charging, Racking and Draw-out WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 100 Low Voltage Circuit Breaker UL 1066 Draw-out Breaker Dimensions Frame Size 2 Door Cut-outs R0.39 (Max. radii, 4 plc's) [R10.0] 13.38 [339.9] 2.74 [69.5] 0.83 1.40 Ø1.42 [21.1] [35.5] [Ø36.0] 4.45 [113.0] 5.71 [144.9] 11.41 [289.9] Door cut-out and mounting holes for Door Sealing Frame Door cut-out (after mounting Door Sealing Frame) R0.08 (Max.
  • Page 101 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 3 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 102 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 3 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 103 Low Voltage Circuit Breaker UL 1066 Draw-out Non-fused Breaker Dimensions Frame Size 3 WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 104: Ul 1066 Draw-out Fuse Carriage Dimensions

    Low Voltage Circuit Breaker UL 1066 Draw-out Fuse Carriage Dimensions Frame Size 3 Fuse Carriage WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 105: Ul 1066 Draw-out Fuse Carriage Dimensions

    Low Voltage Circuit Breaker UL 1066 Draw-out Fuse Carriage Dimensions Frame Size 3 Fuse Carriage Racking WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 106: Ul 1066 Door Sealing Frame Dimensions

    Low Voltage Circuit Breaker UL 1066 Door Sealing Frame Dimensions Frame Size 3 Door Cut-outs Door cut-out and mounting holes for Door Sealing Frame Door cut-out (after mounting Door Sealing Frame) Door cut-out (Middle escutcheon visible) Minimal door cut-out (Only center eustcheon visible) 1) Mounting surface of the circuit breaker or cradle.
  • Page 107: Ul 1066 Draw-out Dimensions

    Low Voltage Circuit Breaker UL 1066 Draw-out Dimensions Frame Size 2 and 3 Door Cut-outs 1) Mounting surface of the circuit-breaker or cradle. 2) Center of breaker front panel. 3) Drill eight holes for mounting door sealing frame. WL Circuit Breaker Selection and Application Guide Courtesy of NationalSwitchgear.com...
  • Page 108 WL Spare/Replacement Parts Trip Units and Rating Plugs ETU 745 ETU 748 ETU 776 GFM A 745-748 GFM AT 745-748 GFM A 776 GFM AT 776 ETU catalog Trip unit Protective Replacement Ground Ground fault number functions settings LCD displays fault alarm alarm and trip WLETU745...
  • Page 109: Trip Unit Options

    WL Spare/Replacement Parts Trip Unit Options Catalog number Trip unit test equipment WLTS Hand held tester for Electronic Trip Unit, Fixed LSIG pick-up WLTSC Replacement cable for WLTS Test Unit Handheld tester 24Vdc power supply WLSITOP25 24Vdc ETU and COMM power supply, 2.5A SITOP Power, Class 2 WLSITOP1 24Vdc ETU and COMM power supply, 3.8A SITOP Power, Class 2 24VDC power supply...
  • Page 110: Secondary Disconnects

    WL Spare/Replacement Parts Secondary Disconnects Compression screw Spring load Ring lug connector connector connector WLGAUXPLUGP WLGAUXPLUGT WLGAUXPLUGR Catalog number WLGAUXPLUGP Screw connection for bare wire WLGAUXPLUGL Low Profile screw connection base wire Draw-out breaker only Trip Units WLGAUXPLUGT Tension spring connection for bare wire WLGAUXPLUGR Screw connection for ring terminals Low-profile screw connector...
  • Page 111: Stationary Primary Bus-bar Disconnect Terminals

    WL Spare/Replacement Parts Cradle Frame Accessories Catalog number Stationary primary bus-bar disconnect terminals consists of 1 bus-bar pole only) WLGST15123LI FS1 800/1200A Line side stab tip WLGST10163LL FS2 800/1200/1600A Line and load side stab tip WLGST15203LL FS2 1200A Line and load side stab tip – FS1 800/1200 Load Side WLGST30323LL FS2 2500/3000A Line and load side stab tip WLGST30323LL...
  • Page 112: Locking Devices

    WL Spare/Replacement Parts Cradle Frame Catalog number WLGHEAT Cradle frame heater Locking devices mounted on the cradle frame WLDLKRK Kirk Key – Lock breaker in OPEN position (FS2, FS3 only) WLDLDKRK Double-Kirk Key – Lock Breaker in OPEN position (FS2, FS3 only) WLDLSUP Superior –...
  • Page 113: Metering Ct Units

    WL Spare/Replacement Parts Metering CT Units 3 phase metering CT, guide frame mounted Single phase metering CT Catalog number Ratio Catalog number Frame Ratio WLG800NMCT23 800:5 WLG8005MCT1 800:5 WLG12005MCT1 1200:5 WLG1200NMCT23 1200:5 WLG800NMCT23 800:5 WLG8005MCT2 800:5 WLG10005MCT2 1000:5 WLG1200NMCT23 1200:5 WLG1600NMCT23 1600:5 WLG12005MCT2...
  • Page 114: Ground Fault And Current Sensors

    WL Spare/Replacement Parts Ground Fault and Current Sensors Catalog number Modified differential ground fault for source ground return WLGMDGFCT2 1200:1 3 phase cradle mount WLGMDGFCT3 1200:1 3 phase cradle mount WLGNMDGCT23 1200:1 1 phase cradle mount Modified differential CT External neutral CT for 4 wire residual ground fault WLNCT2 3”...
  • Page 115: Circuit Breaker Accessories

    WL Spare/Replacement Parts Circuit Breaker Accessories Catalog number Shunt trip release WLST24 24Vdc, 3-cycle momentary duty WLST48 48Vdc, 3-cycle momentary duty WLST120 120Vdc/120Vac, 3-cycle momentary duty WLST240 250Vdc/240Vac, 3-cycle momentary duty WLSTCD24 24Vdc, continuous duty (UL 489 only) WLSTCD48 48Vdc, continuous duty (UL 489 only) WLSTCD120 120Vdc/120Vac, continuous duty (UL 489 only) WLSTDC240...
  • Page 116: Undervoltage Trip Release

    WL Spare/Replacement Parts Circuit Breaker Accessories Catalog number Undervoltage trip release WLUV24 24Vdc, instantaneous trip WLUV48 48Vdc, instantaneous trip WLUV120 125Vdc/120Vac, instantaneous trip WLUV240 250Vdc/240Vac, instantaneous trip WLUVD48 48Vdc, time delayed WLUVD120 125Vdc/120Vac, time delayed WLUVD240 250Vdc/1240Vac, time delayed Undervoltage Trip Coil Signal contactor for UV trip WLUVRC “NO”...
  • Page 117: Spring Charging Motor

    WL Spare/Replacement Parts Circuit Breaker Accessories Catalog number Spring charging motor WLELCMTR24 24Vdc, Charging motor WLELCMTR48 48Vdc, Charging motor WLELCMTR120 120Vdc/120Vac, Charging motor WLELCMTR240 250Vdc/240Vac, Charging motor WLELCMTR24S 24Vdc, Charging motor w/cut-off switch WLELCMTR48S 48Vdc, Charging motor w/cut-off switch WLELCMTR120S 125Vdc/120Vac, Charging motor w/cut-off switch WLELCMTR240S 250Vdc/240Vac, Charging motor w/cut-off switch...
  • Page 118: Circuit Breaker Accessories

    WL Spare/Replacement Parts Circuit Breaker Accessories Catalog number Units Circuit breaker finger cluster replacement kit WLFNGR1UL For FS1 UL489 800A, 1200A 1 piece WLFNGR10UL For FS2 UL489 800, 1200, 1600A Class S&L 1 piece WLFNGR15UL For FS2 UL489 2000A, S&L 1 piece WLFNGR30UL For FS2 UL489 2500/3000A Class S&L...
  • Page 119 WL Spare/Replacement Parts Circuit Breaker Accessories Locking Devices and Sealing Caps Breaker OPEN Locking Device in OPEN Position (WLLKOFFKRK or WLLKOFFSUP) Mechanical CLOSE Key Operation (WLLKT) Mechanical OPEN Key Operation (WLLKT) Racking Handle Prevents withdrawal of Breaker OPEN the Racking Handle Mounted through (WLLKCLKRK or WLLCLSUP) the Cubicle Door...
  • Page 120: Options And Accessories

    WL Spare/Replacement Parts Options and Accessories Catalog number Breaker Locking Devices WLLKOFFDRUL1 FS1 UL489 Fixed motor (Door locking mechanism) WLLKOFFDRUL3 FS2, FS3 UL489 Fixed mount door (Door locking mechanism) (Locking device against opening the cubicle door when breaker is closed) WLLKOFFKRK FS1, FS2, FS3 –...
  • Page 121: Options And Accessories

    WL Spare/Replacement Parts Options and Accessories Catalog number WLEPEN Mushroom head emergency OPEN button WLDSF Door sealing frame – For FS2 and FS3 only WLPGC WL plexiglass breaker cover IP55 protection WLLFT Breaker lifting device WLHOIST Circuit breaker lift truck WLCHANDLE WL breaker manual charging handle replacement WLCLUTCH...
  • Page 122: Communication Components

    WL Spare/Replacement Parts Communication Components Catalog number Breaker communication module WLCM15M COM 15 PROFIBUS module WLCM15RET COM 15 PROFIBUS module with BSS (for new install) WLCM16MD COM 16 Modbus module WLCM16RET COM 16 Modbus module with BSS (for new install) WLCOMBOARD COM16 RS485 adapter board (Modbus only) Breaker status sensor...
  • Page 123 Courtesy of NationalSwitchgear.com...
  • Page 124 Technical support hotline: All product designations may be trademarks or product 1-800-333-7421 names of Siemens AG or supplier companies whose use by third parties for their own purposes could violate the rights of the owners. usa.siemens.com/circuitbreakers Courtesy of NationalSwitchgear.com...

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