| Model | HGMIG 181 | HGMIG 201 | HGMIG 251 |
| Input Power (V) | 230 | 230 | 230 |
| Rated Input Current (A) | 32 | 39 | 55 |
| Rated Input Capacity (kVA) | 7.4 | 8.7 | 12.6 |
| Rated Open Circuit Voltage(V) | 38 | 40 | 48 |
| Welding Current Adjustment Range(A) | 35-185 | 40-205 | 40-255 |
| Rated Output (A) | 20%@185 | 20%@205 | 20%@255 |
| Weight (kg) | 67 | 69 | 82 |
| Wire Diameter (mm) | 0.8-1.0 | 0.8-1.0 | 0.8-1.2 |
| LxWxH (mm) | 830x320x560 | 830x320x560 | 890x340x600 |
