... 50-60hz, input, output voltage not more than 500 V power supply all kinds of three-phase occasion. The products ... in various machinary equipments,including:normal electric control power,signal light power,etc.·Mini Order Quantity:1pcs We ship ... specializes in producing Transformer,Circuit Breakers,Voltage Regulators,Switching Power Supply,Surge Protectors,Electrical Boxes,Reactors,Resistors with ...