Why is it not allowed to use a Q and B-frame as a branch breaker for HCR-U I-Line Main Lugs Interior?
Product Line:
HCR-U I-Line Panelboard
Environment:
I-Line Panelboard
Cause:
Getting an error saying "Main and Feeders, Select a circuit breaker that is not a Q frame or B frame. Main Lug for HCR-U I-LIne is not protected by these circuit breakers".
Resolution:
It has to do with UL series rating testing of the Sub Feed Lug Kits used as Main Lugs on the HCRU interiors. Have to use H or J frame breakers instead.
Released for: Schneider Electric USA
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