What type of breakers will install in an NQ panelboard?

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Issue:
What type of breakers does an NQ panelboard accept?

Product Line:
NQ

Environment:
Panelboards

Cause:
Need to know what type of breakers can be used in a panelboard

Resolution:
NQ panelboards accept QO and QOB branch breakers. These mount directly to the bus; no additional hardware is required. See individual panelboards for amperage restrictions. Tandem breakers cannot be used in an NQ panelboard.

A subfeed Q-frame, H-frame, or J-frame breaker can also be installed. These require a subfeed breaker kit and a larger enclosure.