Technical FAQs

Ask a Question

Why can`t you have more than (1) 3 pole 125 amp breakers when selecting an NF panel with a NEMA 3R rating?

Because of heat rise, only (1) 110, or 125 amp breaker can be installed into a Nema 3R non-ventilated enclosure.

CTA-ID : 2055862
Was this helpful?
What can we do to improve the information ?