Inverter DC SMAW/MMA Welder, Welder ZX7 Series Inverter DC SMAW/MMA Welder Specification Model MMA-160MMA-180MMA-220MMA-250Power voltage 230V230V230V230VRated Input Capacity 4.5KVA5.1KVA6KVA9KVAOpen Circuit Voltage 70V70V70V70VRated Welding Current 160A180A200A250ACurrent adjustting range 10-160A10-180A20-200A20-250ARated Duty Cycle 40%40%40%40%Weight 8Kg8Kg9Kg10KgDimensions 500*250*350mm500*250*350mm500*250*350mm500*250*350mm