MCB (MYB47-63) MYB47-63 series circuit breaker is used in lighting distribution system or ... /415V ACRated current(C): 1, 3, 5, 6, 10, 15, 16, 20, 25, 32, 40, 50, 63A(D): 1, 3, 5 ... , 6, 10, 15, 16, 20, 25, 32, 40AElectric endurance not lower than 6000 timesMechanical ... ): 102(1P) 208(2P) 308(3P) 408(4P) MCB (MYB47-63)