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What is the reason that the column width type panelboards will not accept larger than 60A branch breakers? What is the limitation?

Issue:
What is the reason that the column width type panelboards will not accept larger than 60A branch breakers?   What is the limitation?

Product Line:
Panelboards.

Environment:
Products sold in the United States.

Cause:
Product features.

Resolution:
The amperage of column width panelboard branch breakers are limited by heat rise and wire bending space. Larger breakers require more amounts of cooling and space than column with panels have available.


CTA-ID : 2053680
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