Rated output current :400 Amperes These welding machines can handle high loads of arc welding Insulated stainless steel body construction Single phase, portable, fan cooled Low energy consumption, light in weight with handle for easy handling Good arc starting and arc force Step less current adjustment Stable performance, continuous work, automatic compensation for voltage fluctuation Great quality welding, deep melting pool, reliable effect Over current / over voltage protection Power Voltage: 220V Output Current: 400 Amperes Current Range: 20-400 Amperes Enclosure Class: IP21 Insulation Class: F With Air Cool function Item Weight: 6Kg