... effiency, compact, portable to carry 4. Good performance ZX7 series Manual Metal Arc(MMA) Welding Machine(Cellulose Electrode) MMA inverter, ... Welding MachineModelZX7-160ZX7-200Input power voltage (V)Single Phase, 220V±10%Frequency (Hz)50/60HzNo-load voltage (V)67Rated input current ... (A)3334Welding current range (A)10-16010-200Duty cycle (40 degree, 10 minutes)160A/40%200A/40%96A/100% ...