... feedback control and technology, soft switch DC MMA Welder/Welding Machine(ARC200)1. MOSFET inverter and precision constant current feedback ... of interference resistance, stable welding current and steady arc;3. Intensive arc, high welding speed, excellent welding performance, deep welding pool, less spatter, ... V56 V56 V56 VOut put current range5-140 A10-160 A20-200 A10-250 APower output voltage26.4 ...