Advantages:
1, All the key parts of this welding machine like IGBT module, fast recovery diode, integrated circuit, relay and current & voltage adjustor are world famous brand which have high reliability;
2, Soft switch technology, high efficiency & energy-saving, 100% duty cycle.
3, Good dynamic characteristic, stable arc, nice weld appearance, low spatter.
4, Multi-characteristic and usage power source, excellent stick welding characteristic, model 630 can be used for carbon air gouging.
| Item | Unit | Model | |||||
| NB-200IGBT | NB-250IGBT | NB-315IGBT | NB-350IGBT | NB-500IGBT | NB-630IGBT | ||
| Input power | V/Hz | 3~ 380V± 15% 50/60 Hz | |||||
| Rated input capacitor | KVA | 8.9 | 11.2 | 14.5 | 16.5 | 26.3 | 36.2 |
| Rated input current | A | 13.5 | 17 | 23 | 25 | 40 | 55 |
| Rated open circuit voltage | V | 64 | 74 | 74 | 74 | 80 | 80 |
| rated welding current | A | 200 | 250 | 315 | 350 | 500 | 630 |
| rated welding voltage | V | 24 | 26.5 | 29.8 | 31.5 | 39 | 44 |
| Current Adj range | A | 60~200 | 60~250 | 60~315 | 60~350 | 60~500 | 60~630 |
| Suited wire diameter | mm | Φ 0.8~Φ 1.0 | Φ 0.8~Φ 1.0 | Φ 0.8~Φ 1.0 | Φ 0.8~Φ 1.2 | Φ 1.0~Φ 1.6 | Φ 1.0~Φ 1.6 |
| Rated duty cycle | % | 60/40º C | 100/40º C | ||||
| Insulation grade | - | F | |||||
| Protection grade | - | IP21S | |||||
| Dimension (L× W× H) | mm | 570× 290× 530 | 640× 290× 530 | 690× 320× 570 | |||
| Power source Net Weight | Kg | 31 | 32 | 34 | 39 | 45 | 54 |
