MMA Welding Machines 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 ITEMBX1-140-3BX1-180-3BX1-200-3BX1-250-3Rated Input Voltage(V)220/380220/380220/380220/380No-load Voltage(V)50535360Current Range(Amp)50-14050-18050-20050-250Rated Duty Cycle(%)20202020Input Capacity(KVA)7.3101115.7Insulation ClassFFFFUsable Electrode(mm)2-3.22-42-42-5Weight(KG)37414446Dimension(MM)470x370x630470x370x630470x370x630470x370x630