Specifications: 5SX 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 ... havenot overload current and short circuit protection functions Siemens 5SM1 RCD ELCB RCCB RCBO RCB MCB 2P 40A