| Model | DSK-20-SP | DSK-30-SP | DSK-50-SP | 
|---|---|---|---|
| Capacity | 20kVA | 30kVA | 50kVA | 
| Voltage | 220V/380V/440V AC | 220V/380V/440V AC | 220V/380V/440V AC | 
| Input Phase | Single Phase | Single Phase | Single Phase | 
| 2ndary Short Circuit Current | 8,000A | 13,000A | 15,000A | 
| Duty Cycle | 6% | 6% | 6% | 
| Weld Force | 200kgf | 250kgf | 250kgf | 
| Stroke | 25mm | 50mm | 50mm | 
| Throat to Electrode | 100mm | 100mm | 100mm | 
| Throat to Platen | 60 | 60 | 60 | 
| Electrode Shank | 12mm dia | 16mm dia | 16mm | 
| Platen upper & Lower | 80mm□ | 80mm□ | 80mm□ | 
| Cooling Water | 5L/Min | 6L/Min | 6L/Min | 
| Welding Process | Spot/Projection | Spot/Projection | Spot/Projection | 
| Sheet Thickness | 0.5mm~2mm | 0.5mm~3mm | 0.5mm~4mm |