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Can you mount an MA or MH frame breaker in a HCP I-Line type panelboard?

Issue:
Can you mount an MA or MH frame breaker in a HCP type panel?

Product Line:
PTFDS - FD Enclosure Systems

Environment:
I-Line panelboards and circuit breakers sold and supported in the USA. 

Cause:
Can the MA/MH circuit breaker be mounted in the HCP I-Line panelboard?

Resolution: 
No, The MA breaker mounts differently from other types of breakers, and will not work in an HCP interior. Use the Powerpact M or P frame breaker in the HCP style interior.

The HCR-U interior is the only current design interior that accepts the MA/MH frame breakers.
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