... easy arc ignition,little spattering,stable current,good shaping;small size,light weight. ARC140 Inverter MIG Welder,easy arc ignition,little spattering,stable ... current,good shaping;small size,light weight.MODEL ARC140 Rated input ... factor 0.70 Protection class IP21S Insulation class F Size (mm) 290×120×198 Weight (Kg) 4.7 ...