... and technology, soft switch DC MMA Welder/Welding Machine(ARC200)1. MOSFET inverter and precision ... resistance, stable welding current and steady arc;3. Intensive arc, high welding speed, excellent welding performance, deep welding pool, less spatter ... ;7. Complete accessories: welding torch, welding cable, earth clamp, welding holder.Ø SPEC. Model Spec.ARC-140ARC-160ARC-200ARC-250Power supply ...