new welding machine. ARC-140 series inverter DC/MMA welderCharacteristic: Advanced invert technology, simple circuit, ... , space flight, war Industry,bridge building and outdoor working. ZX7-140 Power supply (V)220V ±15%. Frequency (Hz)50/60 Rated ... No load voltage (V)56 Output current adjustment (A)10-140 Rated output voltage (V)25.6 Thrust adjustive range- Rated ...