OverviewOriginsOperationArc interruptionShort circuitStandard current ratingsTypes"Smart" circuit breakersA circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation. Circuit breakers are made in varying sizes, from small devices that protect low-current circuits or individ…Wikipedia Text under CC-BY-SA licenseExplore FurtherTypes of Circuit Breakers - The Home DepotCircuit Breaker DefinitionUnderstanding Circuit Breaker Markings | EC&MRecommended to you based on your activity and what's popular • FeedbackCircuit breaker design pattern - Wikipedia
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