... protection, under-voltage protection, suitable for TIG and MMA of various metals; 4.Stable arc, high welder speed, little spatter, suitable for ... voltage range, strong adaptability to electricity power grid fluctuation, high duty cycle; 6.Suitable for stainless steel plate welding; 7. ... , over power, over pressare, lack of pressure and etc it is safe for operation.4. Arc power can adjust continuous also ...