BUQU dual power manual transfer switch 1P+1P 2P+2P 3P+3P 4P+4P dual power interlocking circuit breaker 32A 63A 220V-400V Din Rail MCB GCB1-63 MTS manual transfer switch is suitable for two-path power supply system with AC 50 HZ/60HZ, rated working voltage 230V~400V, rated current from 6A ~ 125A. It can manually transfer power supply to reserve power or generator when common power occurring fault so as to guarantee the reliability and safe of supply power. GCB1-63 MTS has the protective function of overload, under-voltage, short circuit and lack phase which is especially suitable for using in the place where does not allow power supply failure, such as fire fighting, hospital, marketplace, military project, high-rise building, bank, TV station and so on. Rated voltage: 230V-400V 50/60Hz Breaking capacity: 6Ka Rated current: 32A.63A Double power manual interlocking transfer switch 1P-4P Detailed Dimensional Drawing Product instruction Product wiring diagram and method Dear friends, thanks for shopping in BUQU store! sincerely hope , can be happy and satisfied from the moment you open the parcel.if you are not satisfied with the product received, I hope you do not give us bad reviews at will. please