We are engaged in offering Inverter MMA Welding Machine (IGBT). Main Features: Simple Electric circuit. strong anti-jamming ability: Arc Force can be adjusted according to the length of the welding cable. Long-distance welding is available. Striking Current can be adjusted applicable for striking arc of workpiece with different plat thickness. Digital display ammeter, the welding current can be preset accurately before welding. Applicable for the welding of various electrodes including 4.2 - +6 acidic, alkali. refractory steel electrode and etc. Applicable for the welding of stainless steel. carbon steel. copper. ally steel and etc. The Function of Carbon arc air gouging can be also available for welding machine above 500A. High frequency inversion. small volume. light weight. energy-saving. Technical Specification: Product Model ZX7-400 Input Voltage Frequency 3-380V 60/60Hz Rated input capacity 16KVA Range of Output current 20-400A Duty Cycle 60.00% Electrode diameter 2-6 Dimension (mm) 576x297x574 Weight 40kg