NH40 Switch Disconnector
NH40 series Switch-disconnector is applicable for AC 50Hz, rated voltage AC 690V and below,
DC440V and below, rated current up to 3150A.
In the industrial enterprise power distribution equipment，it can be used to connect and disconnect the circuit and isolate the power supply frequently, especially the 125A~630A can be used as frequent connected and broken.
1.2 Standard: IEC/EN60947-3.