... 1.Advanced IGBT inverter technology,welding machine. 2.High effective,low consumption, welder. 3. Suit for MMA ,welding. 1.Advanced IGBT inverter ... like acid, alkali,cellulose, etc, used fall position welding.7- Be the ideal power for carbon arc gouging. ... Power Capacity(KVA)12162230Rated Input Current(A) 19273546Rated Output Current (V) 315400500630Current Range(A)20~31520~40020~50020~630Duty Cycle ...