
26
WL Circuit Breaker Selection and Application Guide
WL Power Circuit Breaker
WL Catalog Numbering Overview
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
Miscellaneous Options
Содержание ETU745
Страница 2: ...Courtesy of NationalSwitchgear com ...
Страница 123: ...Courtesy of NationalSwitchgear com ...