... residual current circuit breaker/ELCB/rccb/rcd 40,50,63,80,100A AC 230/400V IP20 ApplicationS250LE RCBO ... earth leakage circuit breaker / residual current circuit breaker/residual current device/ELCB/rccb/rcd ... is suitable for the circuit of 50/60Hz, rated voltage 230/400V, and rated current up to 100A ... circuit breaker/residual current device/ELCB/rccb/rcd