| Model | ZX5-315 | ZX5-400 | ZX5-500 | ZX5-630 |
| Input Power Voltage(V),HZ) | 3-380V/50 | 3-380V/50 | 3-380V/50 | 3-380V/50 |
| Rated Input Capacity(KVA) | 18.9 | 24 | 31 | 52.6 |
| Rated Welding Current(A) | 315 | 400 | 500 | 630 |
| Current Adjust Range(A) | 50-315 | 50-400 | 50-500 | 50-630 |
| No Load Voltage(V) | 62 | 64 | 64 | 76 |
| Rated Duty Cycle(%) | 60% | 60% | 60% | 60% |
| Weight(kg) | 130 | 160 | 170 | 201 |
| Dimension(mm) | 696x408x756 | 600x480x960 | 660x530x980 | 660x530x980 |