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