SUNGOLDPOWER 50A Air Plasma Cutter Inverter DC Digital Display IGBT Portable With Accessories Welding Machine Inverter Cutting 50Amp 110V and 220V 1.IGBT soft-switch technology, more stable performance. High duty cycle result in less power consumption. More economical andeffcient than the traditional cutting machine due to the high speed, high temperature and high energy plasma draught 2.IGBT inverter soft switch, DC output Digital LCD Display, Easy Read Front Panel Air-Pressure Guage, save energy and no noise, High cutting speed, Cutting smoothly and no polish demands 3. Adjustable cutting current to satisfy the cutting demands based on different kinds of material and thickness of working plate 4.Built-in over-heat protection, over-voltage protection, under voltage protection and overheat protection and lack of compressed air pressure protection 5.Suitableforcuttingcarbonsteel, stainlesssteelandalloysteel, copper, andaluminumetc. Widelyused