Power Supply, Switching Power Supply, Current Transformer manufacturer / supplier in China, offering Bar Fuse Type Vertical Switch-Disconnector Three Phase From 160A to 630A Factory Directly, Rated Working Voltage 690V Fuse Switch Disconnector Rated Insulation Voltage 1000V Hht10- 400A/30, 3pole, Rated Working Voltage 690V Fuse Switch Disconnector Rated Insulation Voltage 1000V Hht10- 630A/30, 3pole and so on.