Frequently asked questions
Are Masterpact NW and NT circuit breakers 100% Rated?
FA104026
28 September 2021
Issue:Are Masterpact circuit breakers 100% Rated?
Product Line:
Masterpact NT and NW
Environment:
NEMA influenced markets only
Resolution:
All UL 489 listed Masterpact NT and NW circuit breakers are 100% rated.
Note that standard 80% vs. 100% rating applies to breakers listed per UL 489 only.