Weldmax Inverter DC MMA Welding Machine ZX7-120i Features and benefits :            1.IGBT Module Technology            2.Voltage Reduction Devices            3.Hot Start , Anti Sticking , ARC Force                        Recommended areas of use :            1.Farm Tools            2.Contructon            3.Home Industry                        Parameter/Model : ZX7-120i Power Working Voltage (V) : DC 220 ± 15% Frequency : 50/60Hz Rated Input Current : 15.5 No-Load Voltage (V) : 20.4 Peak Voltage (A) : 100 Output Current Adjusting (A) : 30-120 Rated Duty Cycle (%) : 60 Power Factor (Cos ɸ ) : 0.94 Efficiency (%)    : 89 Housing Protecting grade : IP21S Machine Weight (Kg) : 4.2 Machine Diameter (mm) : 344x130x240 Insulator Grade    : H