Copper induction Coil with CE 1 Heat treating all classes of machine parts to quenching,anneal 2.Adopts Siemens IGBT,MOSFET Copper induction coil ... ,smelting, other field and with CEpredominance as belows: 1.The induction heating equipment mains circuit adopts Siemens IGBT,MOSFET and any ... protecting itself when over current,over voltage,lack of water,phase fail,over hot,etc. 3.It has the function of ...