IGBT INVERTER DC ARC WELDING MACHINE it is very light and useful Adopt IGBT power semiconductor parts and PWM pulse ... clamp with cable, brush, protective mask.SpecificationsIGBT MMA Inverter welding machine Three PCB structure,single-phase,fan-cooled, ... themostatic protectionIGBT MMA Inverter welding machineThree PCB structure Accessories: electrode holder with ...