Weldmax Inverter DC MMA Welding Machine ZX7-500T Parameter/Model    : ZX7-500T Power Working Voltage (V) : AC 380± 10% Frewuency (Hz) : 50/60 Rated Input current : 36 No-Load Voltage : 67 Peak Voltage (A) : 73 Output Current Adjusting (A) : 40-500 Rated Duty Cycle (%) : 60 Power Factor (cos ɸ) : 0.94 Effiency (%) : IP21S Dimensions (Lxwxh) : 471x252x468mm Weight (Kg) : 23