... ZX7 series Manual Metal Arc(MMA) Welding Machine(Cellulose Electrode) MMA inverter, electrode welding machine in direct current (DC ... stick devices, automatic protection functions for under voltage, over current, over heat, etc1. Powerful cellulose electrode welding performance2. ... Hz)50/60HzNo-load voltage (V)67Rated input current (A)3334Welding current range (A)10-16010-200Duty cycle (40 degree ...