| TIG/ARC WELDING MACHINE | TIG315AP | TIG400AP | TIG500AP |
| Input Voltage | AC.(three phase)220V~415V±15% | ||
| Rated Input power | 12.1kw | 17kw | 23.5kw |
| No-load voltage rated | 63V | 63V | 65V |
| Regulation of output current | 20-315A | 20-400A | 20-500A |
| Pulse frequency | 0.1-500Hz | 0.1-500Hz | 0.1-500Hz |
| Drive adjusrment range | 1-100A/ms | 1-100A/ms | 1-100A/ms |
| Up-slope time | 0.1-99.9s | 0.1-99.9s | 0.1-99.9s |
| Down-slope time | 0.1-99.9s | 0.1-99.9s | 0.1-99.9s |
| Unaspirated ahead of time | 0-13S | 0-13S | 0-13S |
| Stop Gas lag time | 0.1-50S | 0.1-50S | 0.1-50S |
| The scope of pulse duty cycle | 0.1%-99% | 0.1%-99% | 0.1%-99% |
| Duty cycle | 60% | 60% | 60% |
| Efficiency | 90% | 90% | 90% |
| Power facor | 0.93 | 0.93 | 0.93 |
| Insulation class | F | F | F |
| Protection class of case | IP23S | IP23S | IP23S |
| Cooling method | Air cold | Air cold | Air cold |
| Overall dimension | 660*305*530mm | 660*305*530mm | 660*305*530mm |
| Gross weight | 42kg | 45kg | 48kg |

