| Model | UNIARC 300/250 |
| Input Power (V) | 230 |
| Rated Input Current (A) | AC106/DC71 |
| Rated Input Capacity(kVA)) | AC23.2/DC15.6 |
| Rated Open Circuit Voltage(V) | AC68/DC62 |
| Welding Current Adjustment Range(A) | AC65-320/DC40-220 |
| Rated Output(A)(20℃) / (40℃) | 35%@AC300/DC200 |
| Weight(kg) | 105 |
| Electrode Diameter (mm) | 2-5 |
| LxWxH (mm) | 745x540x615 |