How can we help you today?

Video: What are the part numbers for field replaceable Micrologic trip units for PowerPact™ M,P,R, and Masterpact NT, NW circuit breakers?

Product Line:
Circuit Breakers

Resolution:
Following are the catalog numbers for Micrologic Trip Units used in PowerPact™ M, P, R, and Masterpact NT and NW circuit breakers.

Model	Protection	Cat. #
2.0 (IEC only)	LSO	S132R
3.0 (UL/ANSI only)	LI	S131A
5.0	LSI	S133A
2.0A (IEC only)	LSO	S142R
3.0A (UL/ANSI only)	LI	S141A
5.0A	LSI	S143A
6.0A	LSIG	S144A
5.0P	LSI	S163A
6.0P	LSIG	S164A
5.0H	LSI	S173A
6.0H	LSIG	S174A

For help with Micrologic trip units and modbus communications for Masterpact and PowerPact™ P and R circuit breakers, consult instruction manuals:
PowerPact™ P, R, and Masterpact NW, NT Micrologic™ types 2.0, 3.0 and 5.0 Trip Units, see 48049-207-05
PowerPact™ P, R, and Masterpact NW, NT Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Trip Units, see 48049-136-05
PowerPact™ P, R, and Masterpact NW, NT Micrologic™ 5.0P and 6.0P Trip Units, see 48049-137-05
PowerPact™ P, R, and Masterpact NW, NT Micrologic™ 5.0H and 6.0H Trip Units, see 48049-330-03

The following video demonstrates how to install and remove a Micrologic Trip Unit from a PowerPact™ P-Frame Molded Case Circuit Breaker: