1 Inside a 125A DC circuit breaker. Unexpected arc quenching feature.
Big Clive shows why a DC arc keeps burning where an AC arc dies at the zero crossing, explaining why DC breakers need magnets and arc chutes.
Topic
circuit breakers
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2 Inside a fake un-trippable circuit breaker.
Shared as a cautionary teardown showing cheap circuit breakers with no real trip mechanism inside, used to warn against unbranded safety parts.
