... Easy to operation 2.IGBT Tech,stable current output 3.Stable,lightweight,energy-saving 4.CCC&CE plasma inverter cutting Technical ... current is stable3.Control circuit:the use of high-power IGBT inverter switching devices after the buck rectifier,through the pulse ... or low voltage,overheat and low air pressure6.As the plasma temperature is very high,you can cut carbon steel,high-speed steel ...