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Which QO circuit breakers can I use on a 240v grounded B phase?

Issue:
Are there specific QO/QOB breakers that can be used for a 240V Grounded B phase power source?

Product Line:
NQ Panelboards

Environment:
Application

Cause:
Selection

Resolution:
For applications with a 240 V corner-grounded system the following applies :

A 2p breaker must be a QO-H or QOB-H type; these are labeled for corner grounded applications

 See attached
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