... mild steel, stainless steel, low alloyed steel.Access.: Welding holder with cable, earthing clamp with cable, brush, protective mask. ... -cooled,themostatic protectionIGBT MMA Inverter welding machineThree PCB structure Accessories: electrode holder with cable, earth clamp with cable, mask, brush. ItemMMA ... range(A)20-14020-16020-18020-200Duty cycle(%)60606060Usable electrode(MM)1.6-4.01.6-4.01.6- ...