... High quality digital melting furnace machine NAP-MF-HK4 DetailsPower supply: 380V/50/60Hz/triphasePower output: 8KWMelting Metal: Au,Ag,Cu,etc.Max Capacity ... .2,Apply IGBT technology, big output power, stable high efficiency3,With various protection as over voltage protection, over ... low weight, easy operation, simple and convenient maintainance. High quality digital melting furnace machine NAP-MF-HK4