1.Adopts advanced MOSFET inverter technology,start arc with high frequency,high efficiency. 2.Built-in alarming and protective ciecuits are provided to prevent over current,over heat, over voltage,under voltage,etc.ensure safe operation. 3.Concentrated heat,easy to fill in the wire,good welding appearance. 4.Foot pedal controller connection, facilitates welder's operation. 5.Can weld stainless steel,carbon steel,alloy steel,copper and other unferrous metals in DC;and also can weld aluminium and it's alloy in AC. |