... technology 2.hot start,arc force,overload protection MMA-200I welder 1. Advanced IGBT inverter technology, stable current, steady and ... TIG and MMA of various metals; 4.Stable arc, high welder speed, little spatter, suitable for filler wire welding, excellent weld ... current, reliable performance.3. Inside has proteitive circait for over heat, over power, over pressare, lack of pressure and etc it ...