... selection function for constant output voltage or constant current/constant power 6. Frequency , power, voltage and current full display , adjustable heating ... SeriesMax. Input powerMax. 15~160KW Max. Input current 23~220AInput voltageThree-phase 340~420V, 50/60HZOscillation ... 45º C Power Adjustment :Panel Control:PLC Control: Application Scope: Melting copper/brass, iron/steel , silver, gold, ...