Technical FAQs

Ask a Question

Are single pole QOB breakers ok for use on grounded B phase system?

Issue:
Are 1p QO and QOB breakers marked for use on grounded B phase systems?

Product Line:
Circuit Breakers

Environment:
QO and QOB single pole breakers

Resolution:
No, 1-pole QO and QOB breakers are not marked for use on grounded B phase systems.
Was this helpful?
What can we do to improve the information ?