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What will happen if I use a DC miniature circuit breaker in place of an AC miniature circuit breaker?

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Question added by manzoor ummar , Electrical Engineer , Tata Consulting Engineers
Date Posted: 2016/09/07
RANVIR SINGH
by RANVIR SINGH , Sr.Engineer Electrical , Fajar Al-Khaleej Cont. &Trd. Co. WLL

It will fail to extinguish the arc, the wires will overheat and cause a fire. Because AC and DC both are having Different Current & Voltage Characteristic so both are Designed as per Arc Extinction Phenomenon but with different ways to stop the Over Current in any circuit.

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