The DongCheng MMA250E DC Arc Welding Machine is a compact and efficient inverter welder designed for reliable MMA welding performance. Powered by advanced IGBT technology, it delivers stable arc output, high efficiency, and smooth welding results. With a digital display for real-time current monitoring and lightweight design, the MMA250E is ideal for maintenance, fabrication, and light industrial welding applications.
Key Features: -
Maximum output current up to 140A
Suitable for 2.5 mm electrodes with continuous welding
Digital display for real-time current monitoring
Advanced IGBT inverter technology for stable performance
Technical Specs: -
| Model | MMA250E |
| Input Voltage | 1~220V ±15% |
| Frequency | 50 / 60 Hz |
| Rated Output Current / Voltage | 120A / 20.4V 140A / 24.6V |
| No-load Voltage | 65V |
| Rated Duty Cycle | 25% – 140A 60% – 90A 100% – 70A |
| Output Voltage at Duty Cycle | 25.6V / 23.6V / 22.8V |
| Efficiency | 65% |
| Housing Protection Grade | IP21S |
| Power Factor | 0.65 |
| Insulation Grade | H |
| Dimensions | 258 × 123 × 178 mm |
| Weight | 3.1 kg |
