FA235580
28 September 2021
Issue:Upgrade NW breaker with 3.0 trip unit to have ground fault alarm indication
Product Line:Air Circuit Breakers
Environment:Masterpact NW -Fixed and Drawout Circuit Breakers
Resolution:For
Fixed NW breaker:
Replace the trip unit with a 5.0P type, catalog # S163A.
- S33101 - 12-pin connector for the trip unit
- (2) S47075 and (1) S47074 Secondary connectors for trip unit if required.
Add the M2C Contact Module
- S47403 - M2C kit (Secondary Disconnect comes with kit)
Add a neutral CT if they have a 4-wire system.Also add a 24 Vdc power supply for the trip unit.
For
Drawout NW breaker:
Replace the trip unit with a 5.0P type, catalog # S163A.
- S33101 - 12-pin connector for the trip unit
- (2) S47850 and (1) S47849 Secondary connectors for trip unit if required.
Add the M2C Contact Module
- S48382 - M2C kit (Secondary Disconnect comes with kit)
Add a neutral CT if they have a 4-wire system.Also add a 24 Vdc power supply for the trip unit.
Also add External Voltage Sensing if they want power measurements
