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Are there series ratings between SB Systems Breakers and downstream Molded Case Circuit Breakers?

April 26, 2017breakers Case circuit Downstream molded ratings SB SERIES SYSTEMS

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Are there series ratings between SB Systems Breakers and downstream Molded Case Circuit Breakers?

1 Answer

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10 Posted

No, there are no series ratings between the SB Systems Breaker and Molded Case Circuit Breakers. Insulated Case Circuit Breakers are not designed to be current limiting and therefore are not series rated with downstream circuit breakers.