Circuit breakers are electronic switch that may be controlled manually or automatically in order to cut off power when the electrical currents in any wiring system exceed the limit, which can create hazards for fire. A circuit breaker consists of pair of moving and fixed contacts which are usually secured by mechanical pressure (deformable metal springs pressure, compressed air or pressure from hydraulics). The movement of these contact causes an electric spark. Visit our site https://surplusrecord.com/electrical-power/circuit-breakers/ for more information about high-quality air circuit breakers.

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