Multifunctional TIG/MMA/CUT 3 in 1, easy to operate, portable, durable ... factor V-MOS, reduce the voltage and rectifies current -Weight and volume are greatly reduced, but efficiency ... plasma ARC -CT312/416 is wildly used in welding and cutting steel, such as stainless steel, alloy ... Steel, copper and other nonferrous metal -Easily operatedParameter TYPECT520Input voltage ...