Main Features:1.Single-phase,alternating current,portable;2.step current adjustment professional welder,delivering high power efficiency;3.Oil cooling,high efficiency and safety,carton;4.Compact,suitable for industrial usage;5.Aluminium coil or copper coil;6.Without accessoriesHas 2 models:OC130,OC160Model:OC 130Supply Voltage:230V,No-load Voltage:55V,Current Range:90-130A,Rated Duty:20%,InputCapacity:7.2KVA,Class of Insulation:F,Suitable electrode:2.5-3.2mm2,Weight:20KG,PackingSize:280*250*360mm;Model:OC 160Supply Voltage:230V,No-load Voltage:55V,Current Range:90-160A,Rated Duty:20%,InputCapacity:8.8KVA,Class of Insulation:F,Suitable electrode:2.5-4MM2,Weight:21KG,PackingSize:280*250*360mm;