There are circuit breakers, circuit breakers with arc-fault detection built in, and circuit breakers with ground-fault interruption built in. And there are breakers with both these features. In this short video at Eaton Corp.’s Power Systems Experience Center, Center manager Dan Carnovale shows what an arc fault really is and how circuitry detects this event. He also shows how circuit breakers incorporate arc fault detection as well as ground fault detection.
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