IGBT technology DC fan cooled,lightness,energy saving & portable Anti-stick lift TIG/MMA ARC force,no noisy & little spatter 1.Main Components:1).3pcs 680UF capacitors2).2pcs 20A relay3).8pcs 40N60 IGBT transistor4).4pcs 60PU03 fast recovery diode2. Single phase,fan-cooled Inverter MMA and TIG welding machine.In this welding process,an electric arc is created between a coated consumable electrode ...