... cast iron, Copper, aluminum. Usagemainly used for melting non-ferrous metals such as melting steel, alloy steel, special steel ... angle FM2200V500Hz6500kw3.Equipment performance1.Have the funtion of overload protection, overvoltage protection, hydropenic protection,three ... circuit, automatically track inverter frequency.4.CompositionConsists of medium-frequency power cabinet, load capatitor cabinet ...