Key Specifications (MMA-300) Feature Specification (Commonly Listed) Impact on Use Welding Process MMA (Stick) Welding Suitable for a variety of workpieces, including carbon steel, stainless steel, and cast iron. Technology Advanced IGBT Inverter Full digital design ensures high efficiency, lightweight design, and a stable, high-quality arc. Max Output Current 300 Amps (DC) High power for welding the thickest materials and continuous use of large electrodes (up to $5.0 \text{ mm}$). Input Voltage $220\text{V} – 240\text{V}$ (Single Phase) Operates on standard single-phase power, which is impressive for a 300A machine.
