... Inverter DC arc welding machine. 3.Deliver time 15-30 days. Inverter Plasma Cutter Machine (Cut-40) Detailed Product Description 1. DC Inverter plasma cutter machine ... , aluminum, stainless steel, copper sheet cutting. Inverter frequency up to 100kHz, the conversion efficiency of ... Undervoltage, overvoltage, overcurrent, overload, to ensure welding safely, durable and reliable.parameters/typeCUT-40CUT- ...