Inverter ARC IGBT welder 1.IGBT technology,high frequency 2.small unload loss,save over 40% energy than the traditonal weler 3.Minimizing,lightness,high quality and energy-saving 4.Being able to continue running stably without a break,being capable of every kind of acid or alkaline jointings with welding rod. Model No: ARC-200 Power Suppy Voltage:AC220V±15% Frequency:50/60HZ Rated Input Capacity:4.3KVA No-Load Voltage:56V Rated Output Current:20-140A Rated Output Voltage:25.6V Rated Duty Cycle:60% Effciency:85% Power Factor:85% Insulation Class:B Protectioin Class:IP21 Net Weight:4.55KG Qty/20FT:1400PCS