... ,Minimizing,lightness,low noise,high quality and energysaving Inverter DC ARC Welding Machine Specifications ParametersModelARC-160ARC-200SARC-250SRated Input Voltage(V)(1Phase) ... , and iron cast.2. Easy to initiate arc, low noise during welding, less spray.3. Widely adjustable output current range ... , high efficiency, energy saving, durable and economical. Inverter DC ARC Welding Machine(ARC-200S)