Key Specifications (MMA-250) Feature Specification (Commonly Listed) Impact on Use Welding Process MMA (Stick) Welding Versatile for steel, stainless steel, and cast iron. Technology IGBT Inverter Provides stable current, high energy efficiency, and a lighter, more compact machine. Max Output Current 250 Amps (DC) High amperage allows for continuous use of large welding rods (e.g., $4.0 \text{ mm}$ or $5.0 \text{ mm}$ electrodes) for welding very thick materials. Input Voltage $220\text{V} – 240\text{V}$ (Single Phase) Operates on standard single-phase power, despite the high output. Welding Machine
