| Related parameters | NBC-500A |
| Rated input power (50HZ) | Three-phase AC380V±10% |
| Rated input capacity (KVA) | 27/28.7 |
| Rated input current (A) | 41/43 |
| Gas shielded welding rated output (A/V) | 500/39 |
| No-load voltage (V) | 72 |
| Rated duty cycle (%) | 60 |
| Welding voltage adjustment range (A) | 14-50 |
| Wire feeder type | Split type |
| Manual welding function | With manual welding function |
| Welding wire diameter (mm) | 1.0/1.2/1.6 |
| Reeled wire weight (kg) | 15 |
| Cooling method | Air cooling |
| Insulation grade | F |
| Enclosure protection grade | IP21S |
| Power factor | 0.9 |
| Overall efficiency (%) | 80 |
