Frequently asked questions
Can Multi-9 C60 breakers be continuously loaded to 100% of their rating?
FA89522
23 May 2022
Issue:Can Multi-9 C60 breakers be continuously loaded to 100% of their rating?
Product Line:
Multi 9 C60 MCB's
Resolution:
UL 489 Listed Multi 9 C60 circuit breakers may be loaded to no more than 80% if used with continuous loads.
UL 1077 recognized supplementary protectors may be operated at 100% of their rating.
IEC 60947-2 C60 breakers may be operated at 100% of their rating.