·Professional scratch-start TIG welding, precise design, easy arc starting, no tungsten sticking
·One-knob adjustment, automatically matches welding voltage based on required welding current
·Fast wire feeding, efficient and quick welding
·BIM-Tech Blade Module patented technology, modular quality, superior performance
·Dust-Free sealed air duct, isolates dust, efficient heat dissipation
·Intelligent gas saving, gas flow system self-control, saves 10~20% gas cost
| NB-270F N253II | NB-315F N254II | ||
| Input | Input Voltage (V) | Three-phase AC380±15% | Three-phase AC380±15% |
| Rated Input Capacity (kVA) | 9.1 | 11.3 | |
| Power Factor | 0.92 | 0.93 | |
| Output | Rated No-Load Voltage (V) | 62±3 | 62±3 |
| Gas Shielded Welding | Welding Current (A) | 60~270 | 60~315 |
| Welding Voltage (V) | 13~32 | 13~34 | |
| Gas Meter Heater Voltage (V) | 36(AC) | 36(AC) | |
| Wire Feed Speed Range (m/min) | 2~24 | 2~24 | |
| Scratch-Start TIG Welding | Welding Current (A) | 50-270 | 50-315 |
| Arc Starting Method | Contact Arc Starting | Contact Arc Starting | |
| Stick Welding | Welding Current (A) | 50-220 | 50-270 |
| Others | Rated Duty Cycle @40 ℃ | 30% | 30% |
| Efficiency | 87% | 87% | |
| Protection Grade | IP21S | IP21S | |
| Insulation Grade | H | H | |
| Dimensions (mm) | 620*300*505 | 620*300*505 | |
| Net Weight (kg) | 17.4 | 17.4 |
