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Can a standard QO breaker rated 10K AIC be used in a CU12L400L instead of a QO-VH breaker rated 22K AIC?

Yes, but the Short Circuit Currect Rating of the CU12L400L will only be 10K AIR. The SCCR would be equal to the AIC rating of the lowest AIC rated breaker installed.

CTA-ID : 2006530
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