Professional Welding machine FUNCTION & FEATURE:" 1.single phase, with wheel, fan cooling, heavy duty. 2. wih moving-iron core transformer 3.professinal welding in Alernating Current(AC), stepless regulation of welding current, suit for various electrodes ITEMBX1-250-1BX1-315-1BX1-400-1BX1-500-1Rated Input Voltage(V)220/380380380380No-load Voltage(V)60656570Current Range(Amp)50-25060-31580-400100-500Rated Duty Cycle(%)35353535Input Capacity(KVA)15.721.43038.5Insulation ClassFFFFUsable Electrode(mm)2-52-62.5-82.5-10Welding thickness(mm)1.6-101.6-102.5-122.5-14Weight(KG)69748296