... constant current feedback control and technology, soft switch DC MMA Welder/Welding Machine(ARC200)1. MOSFET inverter and precision constant ... of interference resistance, stable welding current and steady arc;3. Intensive arc, high welding speed, excellent welding performance, deep ... cable, earth clamp, welding holder.Ø SPEC. Model Spec.ARC-140ARC-160ARC-200ARC-250Power supply voltage1-Ph AC 220±10 ...