23 January 2021
Need Sensor plug catalog number
Applies to Powerpact P and R, Masterpact NW and NT
: See 2nd table for Masterpact Y frame (6p) replacement sensor plugs.
Sensor Plugs for PowerPact P, R, and Masterpact NW, NT
* Cannot be installed into a circuit breaker with original sensor plug higher
than 250 A. Likewise, a circuit breaker with original sensor plug of 100 A or
250 A cannot be replaced with a sensor plug higher than 250 A.
Masterpact Y Frame (6p) Sensor Plugs
Masterpact NT and NW
: Sensor plugs are field installable down to 50% of the FRAME
: Masterpact with a 1600 amp frame can receive sensor plugs from 800-1600 amps.
Powerpact P and R
: Sensor plugs are field installable down to 50% of the CURRENT
Powerpact P frame breaker with 800 amp sensor installed at the factory can only receive sensors from 400-800 amps.
For complete details on installing sensor plugs and their restrictions, please see instruction bulletin 48049-145-03