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Can a 400A subfeed breaker, be added to a NF panel in the field?

Issue:
Can a 400A subfeed breaker be added to a NF panel?

Product Line:
Panelboard

Environment:
NF panel

Resolution:
A 400A subfeed breaker can be added to 600A and 800A interiors only and it is only available as factory assembled. This can be selected in the product selector tools. 


 
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