Residual current circuit breaker with overload protection RCBO Number of Poles: 1P, 2P, 3P, 3P+N, 4P Rated current(A): 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 Voltage(V): 230/400 Rated breaking capacity (KA): 10 Configuration E-type residual current circuit breaker from the tripper RCD and UKB7-63-tye mini circuit breaker MCB made assembling stable performance beautiful appearance. For the circuit the human body to electric shock, isolation and destruction earth leakage