| Model | JDM-3 | JDM-5 | JDM-10 | JDM-16 | JDM-25 |
| Rated Input Capacity(KVA) | 3 | 5 | 10 | 16 | 25 |
| Primary Voltage(V) | 220 | 220 | 380 | 380 | 380 |
| Rated Duty Cycle(%) | 20 | 20 | 20 | 20 | 20 |
| Arm Length(mm) | 100 | 100 | 100 | 100 | 100 |
| Upper, Lower Electrode Arm Spacing(mm) | 80 | 80 | 80 | 80 | 80 |
| Upper Electrode Working Stroke(mm) | 15 | 20 | 20 | 20 | 20 |
| Maximum Pressure(N) | 400 | 500 | 600 | 600 | 600 |
| Flow of Cooling Water(L/min) | 1 | 1 | 2 | 2 | 2 |
| Welding Thickness(low carbon steel)(mm) | 0.5+0.5 | 1+1 | 1.5+1.5 | 2+2 | 2.5+2.5 |
| Dimensions(mm) | 530*810*1050 | 530*810*1050 | 530*810*1050 | 530*810*1050 | 530*810*1050 |
| Weight(KG) | 56 | 58 | 68 | 78 | 85 |