| Model | INVERDELTA 300III | INVERDELTA 400III | INVERDELTA 400III |
| Input Power (V) | 220 | 220 | 400 |
| Max Input Current(A) | 34 | 50 | 29 |
| Rated Input Capacity(kVA)) | 13 | 19 | 19 |
| Rated Open Circuit Voltage(V) | 82 | 82 | 82 |
| Welding Current Adjustment Range(A) | 15-300 | 15-400 | 15-400 |
| Rated Output(A)(20℃) / (40℃) | 60%25%@300 | 60%25%@400 | 60%25%@400 |
| Weight(kg) | 19 | 19 | 19 |
| LxWxH (mm) | 510 x 240 x 420 | 510 x 240 x 420 | 510 x 240 x 420 |