| Model | TIG400 | |
| Item | MMA | TIG |
| Input Voltage | AC220V+15%1PH | |
| Input voltage frequency (HZ) | 50/60 | |
| Rated input power capacity(KVA) | 7 | 4.6 |
| Rated input current (A) | 31.8 | 20.9 |
| Rated output voltage(V) | 28 | 18 |
| Output current range(A) | 10-200 | 10-200 |
| No-load voltage(V) | 56 | |
| Post-gas time(S) | 2.5±0.5/5±0.5 | |
| Duty cycle(%) | 60 | |
| No-load consumption (W) | 60 | |
| Insulation class | F | |
| Protection class | IP21S | |
| Power factor | 0.93 | |
| Efficiency(%) | 85 | |
| Weight(KG) | 6.7 | |
| Dimension(mm) | 356*153*225 | |