Siemens ETU745 - Secondary Terminal Assignments

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55WL Circuit Breaker Selection and Application Guide

WL Breaker

Application data

WL Secondary Terminal Assignments

Courtesy of NationalSwitchgear.com

Main Page

Table of Contents4
Features and Benefits6
Breaker Assembly View7
Product Overview8
Draw-Out Cradle Assembly View9
Electronic Trip Units (Etus)10
ETU Models and Features10
ETU Communication12
ETU Metering Function13
Alarm Parameters14
Extended Relaying14
Function Overview of the ETU15
Factory Installed Options17
Ground Fault Module17
Key Lock-Out17
Operation Counter17
Auxiliary Contacts17
Breaker Status Sensor (BSS)17
Bell Alarm Contact and Reset Coil18
Racking Handle Key Lock18
Breaker Push-Button Locks18
Close Coil18
Spring Charging Handle Lock19
Rating Plugs19
Ready-To-Close Contact19
Shunt Trip19
Shunt Trip (Continuous Duty)19
Status Contact20
Spring Charging Motor20
Undervoltage Release20
Secondary Disconnect21
Isolation Shutters21
PROFIBUS or MODBUS Communications21
Dual Key Breaker Locking21
Factory Installed Options21
Cradle Accessories and Options22
Arc Chute Cover22
TOC (Truck Operated Contacts)22
Moc22
Accessories23
Communication Power Supplies23
Handheld Test Device23
Breaker Display Adapter (BDA)23
Mechanical Breaker Interlocks23
Metering Current Transformer 3-Phase Window24
Metering Current Transformer - Single Phase24
Neutral Current Sensor - 4-Wire Residual25
Breaker Door Cover25
Door Sealing Frame25
Breaker Lifting Device25
Remote Breaker Racking Device25
Breaker Hoist25
Accessories25
Cubiclebus Modules26
Digital Input Module26
ZSI Module26
Analog Output Module26
Pre-Assembled Cubiclebus Communication Cables26
Fixed-Mounted Breaker Bus Connectors27
Primary Lug Connector Kits27
WL Catalog Numbering Overview28
UL 489 Ratings29
Ratings for UL 48929
UL 489 Assembled Breaker Catalog Number31
Interrupting Rating, Frame Size, Breaker Type and Frame Rating31
Rating Plug32
Electric Trip Unit32
Bell Alarm, Ready-To-Close Contacts33
Shunt Trip33
Undervoltage Release34
Charging Motor, Motor Switch, Operations Counter34
Close Coil, Power Metering and Communications35
Breaker Locks35
Miscellaneous Options35
Breaking Capacity, Frame Size, Switch Type and Frame Rating36
Ready-To-Close Auxiliary Contacts36
Shunt Trip37
Undervoltage Release37
Charging Motor Switch and Operation Counter38
Close Coil Communications38
Switch Locks39
Miscellaneous Options39
UL 489 Accessories40
External Breaker Accessories40
UL 489 Cradle Catalog Numbers41
UL 489 Cradle Accessories43
UL 1066 Ratings44
Ratings for UL 106644
Ratings for UL 1066 (Non-Automatic)45
UL 1066 Assembled Breaker Catalog Number46
Interrupting Rating, Frame Size, Breaker Type and Frame Rating46
Rating Plug47
Electronic Trip Units47
Bell Alarm, Auxiliary Contacts48
Shunt Trip48
Undervoltage Release49
Charging Motor49
Close Coil Power Metering and Communications50
Breaker Locks50
Miscellaneous Options50
Catalog Numbers51
Auxiliary Contacts52
Charging Motor, Motor Switch, Operations Counter53
Catalog Numbers54
Secondary Terminal Assignments57
General Wiring Schematic58
General Wiring Schematic59
Ground Fault Setting60
Metering Voltage Details61
UL 489 Draw-Out Breaker Dimensions78
UL 489 Draw-Out Breaker Dimensions91
UL 489 Door Sealing Frame Dimensions92
UL 1066 Draw-Out Fuse Carriage Dimensions104
UL 1066 Draw-Out Fuse Carriage Dimensions105
UL 1066 Door Sealing Frame Dimensions106
UL 1066 Draw-Out Dimensions107
Trip Unit Options109
Secondary Disconnects110
Stationary Primary Bus-Bar Disconnect Terminals111
Locking Devices112
Metering CT Units113
Ground Fault and Current Sensors114
Circuit Breaker Accessories115
Undervoltage Trip Release116
Spring Charging Motor117
Circuit Breaker Accessories118
Options and Accessories120
Options and Accessories121
Communication Components122

Siemens ETU745 - Secondary Terminal Assignments

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