... PWM pulse width regulationg technology, energy saving, power frequency and no noise.Arc force, arc start automatic ... low alloyed steel.Access.: Welding holder with cable, earthing clamp with cable, brush, protective mask.SpecificationsIGBT MMA Inverter ... structure,single-phase,fan-cooled,themostatic protectionIGBT MMA Inverter welding machineThree PCB structure Accessories: electrode holder with ...