| Model | TIG 400GT |
| Input voltage (V) | 3P/ AC380V±15% |
| Frequency (Hz) | 50/60 |
| Rated input current (A) | TIG: 22 MMA: 26.6 |
| No-load voltage (V) | 60 |
| Output current adjusting range (A) | TIG: 10-400 MMA: 10-380 |
| Rated output voltage (V) | TIG: 26 MMA: 35.2 |
| Arc force adjusting range (A) | 0-50 |
| Duty cycle (%) | 40% |
| No-load loss (W) | 100 |
| Efficiency (%) | 80% |
| Power factor | 0.90 |
| Protection grade | IP21 |
| Net weight (kg) | 20 |
| Dimensions (L×W×H) (mm) | 508×244×423 |