| Model | INVERMIG 350III | INVERMIG 500III |
| Input Power (V) | 400 | 400 |
| Rated Input Current (A) | 25.5 | 41.8 |
| Rated Input Capacity (kVA) | 16.8 | 27.5 |
| Rated Open Circuit Voltage(V) | 73 | 73 |
| Welding Current Adjustment Range(A) | 40-350 | 40-500 |
| Rated Output(A) (40℃) | 80%60%@350 | 80%60%@500 |
| Weight(kg) | 50 | 50 |
| LxWxH (mm) | 930x 420 x 1130 | 930x 420 x 1130 |