·Dash-Arc "Master Arc Starting" patented technology, millisecond-level arc ignition, 99.99% arc starting success rate
·Cold welding, low heat input, precision welding, suitable for thin plate welding above 0.2mm, mold repair, etc.
·High arc stiffness, concentrated arc
| TIG250S W22811 | TIG300S W23011 | TIG300 W229I1 | TIG400 w23111 | ||
| Input | Input Voltage (V) | Single-phase AC220±15% | Three-phase AC380±15% | Three-phase AC380±15% | Three-phase AC380±15% |
| Rated Input Capacity (kVA) | 7.3 | 9.7 | 9.7 | 14.5 | |
| Power Factor | 0.76 | 0.8 | 0.8 | 0.85 | |
| Output | Rated No-Load Voltage (V) | 62 | 68 | 68 | 67 |
| TIG Welding | Welding Current (A) | 10-220 | 10~300 | 10~300 | 10~400 |
| Pre-flow Time (S) | 0~5 | 0~5 | 0~5 | 0~5 | |
| Post-flow Time (S) | 0~10 | 0~10 | 0~10 | 0~10 | |
| Upslope Time (S) | / | / | / | 0~10 | |
| Downslope Time (S) | 0~10 | 0~10 | 0~10 | 0~10 | |
| Arc Starting Method | High Frequency Arc Starting | High Frequency Arc Starting | High Frequency Arc Starting | High Frequency Arc Starting | |
| Cold Welding | Welding Current (A) | 50~250 | 50~300 | 50~300 | 50~400 |
| Welding Time (ms) | 1~900 | 1~900 | 1~900 | 1~900 | |
| Interval Time (s) | 0.1~10 | 0.1~10 | 0.1~10 | 0.1~10 | |
| Stick Welding | Welding Current (A) | / | / | 20~260 | 20~400 |
| Thrust Current (A) | / | / | 0~60 | 0~150 | |
| Hot Start Current (A) | / | / | 0~60 | 0~60 | |
| Others | Rated Duty Cycle @40 ℃ | 30% | 20% | 20% | 30% |
| Efficiency | 75% | 85% | 85% | 85% | |
| Protection Grade | IP21S | IP21S | IP21S | IP21S | |
| Insulation Grade | H | H | H | H | |
| Dimensions (mm) | 462*144*292 | 540*232*410 | 540*232*410 | 610*268*452 | |
| Net Weight (kg) | 6.2 | 15.1 | 15.1 | 25 |
