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It is used in the circuits of ac 50-60HZ, sigle phase 230V(220V), three phases 400V(380V) in industrial & mining enterprises, commercial buildings and housing for protection of personal electric equipment from electric shock hazard and also can be used for infrequent switchover of circuits under normal conditions. Operation principle: when the circuit works normally, residual current operated circuit breaker is in "on" position. When leakage or electric shock hazard occurs in the circuit the current transformer generates a signal to make electromagnetic release work and cut off power source within0.1 second to prevent leakage. 
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Contact Info:
Wenzhou Toptime Electric Co.,Ltd ( Circuit Breakers )
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Circuit Breakers
