... ,can adjust the current freely,high efficiency. Inverter DC Plasma Cutting Machine ModelMains Voltage(V)Frequenecy(HZ)No-load voltage(V ... ≤1820-50 60 40X15X26 9.0 Features*It adopts advanced inverter technology,can adjust the current freely,high efficiency.*Compact,light ... portable,suitable for moving and woking.*It"s perfect for cutting of stainless steel,carbon steel,aluminum,copper,composite plate ...