Features and benefits 4
Breaker assembly view 5
Product overview 6
Draw-out cradle assembly view
7
Electronic trip units (ETUs) 8 - 14
ETU models and features 8
ETU communication 10
ETU metering function 11
Alarm parameters 12
Extended relaying 12
Function overview of the ETU 13 - 14
Factory installed options 15 - 19
Ground fault module 15
Key lock-out 15
Operation counter 15
Auxiliary contacts 15
Breaker status sensor (BSS) 15
Bell alarm contact and reset coil 16
Racking handle key lock 16
Breaker push-button locks 16
Close coil 16
Spring charging handle lock 17
Rating plugs 17
Ready-to-close contact 17
Shunt trip 17
Shunt trip (continuous duty) 17
Status contact 18
Spring charging motor 18
Undervoltage release 18
Secondary disconnect 19
Isolation shutters 19
PROFIBUS or MODBUS communications 19
Dual key breaker locking 19
Cradle accessories and options 20
Arc chute cover 20
TOC (truck operated contacts) 20
MOC (mechanism operated contacts 20
Accessories 20 - 23
Communication power supplies 21
Handheld test device 21
Breaker display adapter (BDA) 21
Mechanical breaker interlocks 21
Metering current transformer – 3-phase window 22
Metering current transformer – single phase 22
Neutral current sensor – 4-wire residual 23
Breaker door cover 23
Door sealing frame 23
Breaker lifting device 23
Remote breaker racking device 23
Breaker hoist 23
CubicleBus modules 24
Digital input module 24
ZSI module 24
Analog output module 24
Pre-assembled CubicleBus communication cables 24
Fixed-mounted breaker bus connectors 25
Primary lug connector kits 25
WL Catalog Numbering Overview 26
UL 489 Ratings 27 - 28
Ratings for UL 489 27
Ratings for UL 489 (non-automatic) 28
UL 489 assembled breaker catalog number 29 - 33
Interrupting rating, frame size, breaker type
and frame rating 29
Rating plug 30
Electric trip unit 30
Bell alarm, ready-to-close contacts 31
Shunt trip 31
Undervoltage release 32
Charging motor, motor switch, operations counter 32
Close coil, power metering and communications 33
Breaker locks 33
Miscellaneous options 33
UL 489 assembled breaker catalog number
(non-automatic) 34 - 37
Breaking capacity, frame size, switch type
and frame rating 34
Ready-to-close auxiliary contacts 34
Shunt trip 35
Undervoltage release 35
Charging motor switch and operation counter 36
Close coil communications 36
Switch locks 37
Miscellaneous options 37
UL 489 accessories 38
External breaker accessories 38
UL 489 cradle catalog numbers 39 - 40
UL 489 cradle accessories 41
UL 1066 ratings 42 - 43
Ratings for UL 1066 42 - 43
Ratings for UL 1066 (non-automatic) 43
UL 1066 assembled breaker catalog number 44 - 48
Interrupting rating, frame size, breaker type and
frame rating 44
Rating plug 45
Electronic trip units 45
Bell alarm, auxiliary contacts 46
Shunt trip 46
Undervoltage release 47
Charging motor 47
Close coil power metering and communications 48
Breaker locks 48
Miscellaneous options 48
WL Circuit Breaker
Table of Contents
Courtesy of NationalSwitchgear.com
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