Questions feel free to email Please note dented in louvers on one side. Dead simple and easy to light up and weld, novice or pro is gonna like it just the same. T4 mode up/down slope, crater amps, post flow all built in Model TIG200A unit Welding Process TIG/ ARC Arcing way Transfer Rated voltage(V) 1phase AC220V Rated input current(A) MMA:43.6 TIG:28 No-load voltage(V) 50 Output current(A) 10-200 Rated output voltage(V) MMA:28V TIG:18V No-load loss(W) 40 Duty cycle(%) 60% Power factor 0.73 Efficiency (%) 80 Protection class IP21 Insulation Grade F Net Weight 16.5 lb /7kg Plate Thickness(mm) 0.3-6.0 Electrode Diameter(mm) 2-3.2 Base Material Carbon,Stainless,Low-alloy steel Package Size 18* 11*14 in (440*260*340mm)