Technical FAQs

Ask a Question

What is the largest branch breaker that can be installed in a NF panelboards?

Issue:
What is the largest branch breaker allowed in NF panelboards

Product Line:
NF Panelboards

Environment:
Application

Cause:
Clarification of Largest amp size

Resolution: 
The largest branch breaker that can be installed is a 3 pole, 125 amp EDB, EGB, or EJB breaker. A 250 amp max sub feed breaker can be installed as a factory assembled option or with the addition of a sub feed breaker kit if there is sufficient extra room in the enclosure. 

The largest single pole breaker is 70A.


 
Was this helpful?
What can we do to improve the information ?