| Model no | MMA-180VM | MMA-200VM | MMA-250VM |
| Rated input power | 8.7KW | 9.4KW | 10.6KW |
| Input frequency | 50-60Hz | 50-60Hz | 50-60Hz |
| Output current | 30-180A | 30-200A | 30-250A |
| Duty cycle | 80% | 80% | 80% |
| Electrode diameter | 1.6-4.0mm | 1.6-4.0mm | 1.6-5.0mm |
| Weight | 7kgs | 8.5kgs | 10kgs |
| Dimension | 41x16x24cm | ||