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Can a QO-GFI, QO-CAFI, QO-DF, or QO-EPD breaker be used on a 240 V ungrounded delta system?

Issue:
Are QO GFI, CAFI, DF or EPD/EPE breakers rated for 240 V delta application?

Product Line:
QO Circuit Breakers

Resolution:
No. QO-GFI, QO-CAFI, QO-DF, QO-EPD, and QO-EPE breakers are not rated for this application. They require a grounded system with no more than120 Vac to ground.

Released for: Schneider Electric USA
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Range:
Combination Arc-fault Circuit Interrupters
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