... :5.2kg 4.Rated output voltage:24.2v usage:welding machine MMA welding machine Main characteristic: 1.Adopts advanced V-MOS inverter ... IEC974 safety standard. 2.Very convenient to operate by MMA welding, suitable for welding stainless steel, mild steel alloy, copper, etc.MMA ... welding machine MMA 90MMA 105MMA 120Power voltage(V)AC.(single phase) ...