Video: What is the maximum QO or QOB branch breaker (not sub-feed breaker) that can be installed in an NQ panelboard?

Issue:
Highest ampacity QO or QOB branch breaker (not sub-feed breaker) that can be installed in an NQ panelboard

Product Line:
Branch breakers for distribution panelboards.

Environment:
NQ panelboards sold in North America.

Resolution:
The maximum QO branch breaker that can be installed in a NEMA 1 400A-600A NQ panel is a 150, 175, and 200 A 2-pole QO, 3-pole 100Amp. The maximum QOB branch breaker that can be installed in an NQ panel is a 2 or 3 Pole, 150Amp.

The following video demonstrates how to install 110-150A QOB VH breakers:

Released for: Schneider Electric Canada