| Parameters | Inverter TIG / MMA (ARC) welding | |||
| Parameter model | TIG 200 A | TIG 250 A | TIG 300 A | TIG 400 A |
| Input Voltage (V) | 1PH.AC 200V±15% | 3PH.AC 380V±15% | 3PH.AC 380V±15% | 3PH.AC 380V±15% |
| Frequency (HZ) | 50/60 | 50/60 | 50/60 | 50/60 |
| Rated input current (A) | MMA:43.6 TIG:28 | MMA:49.3 TIG:38.9 | MMA:12.1 TIG:12.6 | MMA:20.1 TIG:19.9 |
| No-load voltage (V) | 56 | 54 | 54 | 60 |
| Output current range (A) | 5-200 | 5-250 | 5-300 | 5-400 |
| Duty cycle (%) | 60 | 60 | 60 | 60 |
| No-load loss (w) | 40 | 40 | 60 | 100 |
| Efficiency (%) | 80 | 85 | 85 | 85 |
| Power factor | 0.73 | 0.93 | 0.93 | 0.93 |
| Insulation grade | F | F | F | F |
| Housing protection grade | IP21 | IP21 | IP21 | IP21 |
| Net weight (Kg) approx | 8.000 | 10.000 | 16.800 | 20.000 |
| dimensions (mm) | 375×155×295 | 425×200×350 | 480×205×370 | 480×330×370 |
