| Specification | Unit | CTW-TIG500P |
| Input voltage | Volt | 415±15% |
| Phase | No | 3 |
| Frequency | Hz | 50/60 |
| Max input KVA@100% duty cycle | KVA | 18.5 |
| Welding current range (TIG Mode) | Amps DC | 10-500 |
| Welding current range (MMA Mode) | Amps DC | 40-500 |
| Welding current @60% duty cycle | Amps | 500 |
| Welding current @100% duty cycle | Amps | 410 |
| Efficiency | % | 85 |
| Degree of protection | Class | IP23S |
| Insulation | Class | H |
| Gas pre-flow time | sec | 0-5 |
| Gas post flow time | sec | 0.1-20 |
| Pulse frequency | Hz | 0.5-10 |
| Current upslope & down slope time | sec | 0-10 |
| Suitable electrode diameter | mm Φ | 1.6, 2.5, 3.2 intermittent 4 |
| Protections | – | Over voltage, under voltage, over temperature |
| Cooling | Type | Forced Air |
| Dimensions (LxWxH) | mm | 600x645x318 |
| Weight (approx) | Kg | 62 |
