single-phase, portable,fan-cooled,inverter welding machine for mma welding in direct current(DC). 1.Single- ... phase, portable,fan-cooled,inverter welding machine for mma welding in direct current(DC).2.Certificate: CE ... .Rohs . EMC. Model NoMMA I 400 Rated Input Voltage (V 50/60Hz) 400 3PH Rated ... 26.5 Dimension (mm) 565*306*432 MMA DC Welding Machine MMA I 400