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FA124722

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What is the difference between a QB and QD breaker?

Issue:
What do the B and D indicate in QB/QD circuit breakers?

Product Line:
Circuit Breakers

Resolution:
The QB has an interrupt rating of 10 kA at 240 Vac and the QD has an interrupt rating of 25 kA at 240 Vac.

Released for:Schneider Electric USA

Published on:8/19/2008Last Modified on:3/4/2022

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What is the difference between a QB and QD breaker?

Issue:
What do the B and D indicate in QB/QD circuit breakers?

Product Line:
Circuit Breakers

Resolution:
The QB has an interrupt rating of 10 kA at 240 Vac and the QD has an interrupt rating of 25 kA at 240 Vac.