... mini circuit breaker ,5SM1 residual current circuit breaker ,Siemens type(ELCB,RCCB,RCD) Like Siemens Circuit Breaker, Residual current circuit breaker ... ,RCCB,ELCB,RCD,RCBO,MCB,DPNLE(DZ30LE) SIEMENS 5SM RCCBAll kinds of ... amp, if not ,the products cannt protect the circuit.b. TEST button should be tested four times one month, to check ...