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Which QO circuit breakers can be used on a 240 Vac corner ground delta (grounded B phase)?
Issue:
Are there specific QO/QOB breakers that can be used for a 240 V grounded B phase power source?

Product Line:
NQ Panelboards

Resolution:
A 2p breaker must be a QO-H or QOB-H type. These are labeled for corner grounded applications. See attached for more information.

Schneider Electric Canada

Attachment(s)
2700DB0202 2012.pdf [124.08 KB]
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