WS series welding machine Model No:ws-250,ws315,ws400 Voltage: 3 Phase AC380V±15% Frequency(Hz): ... 50/60 Rated Input Current(A): 14.4-MMA/10-TIG ... ,19.7-MMA/13-TIG,27.6-MMA/20-TIG No-load voltage(V): 70,73 ... Output Voltage(V): 30-MMA/20-TIG,32.6-MMA/22.6-TIG,36-MMA/26-TIG Duty Cycle(%): 60,60,60 Product ...