| Rated current upto | Number of poles | Centre distance of bus bar | suitable for bar size | Tightening turning moment | Per package | Model | |
|---|---|---|---|---|---|---|---|
| Fixed screw | fixed the cover | ||||||
| 800 | 1 | - | 30×10mm | 5-8Nm | 1-3Nm | 2 | SV1 | 
| 800 | 2 | 60mm | 30×10mm,30×5mm,25×10mm,25×5mm, 20×10mm,20×5mm,20×10mm,15×10mm, 15×5mm, 12×10mm,12×5mm | 3-5Nm | 1-3Nm | 2 | SV2 | 
| 800 | 3 | 60mm | 30×10mm, 30×5mm, 25*10mm,25*5mm, | 3-5Nm | 1-3Nm | 2 | SV3 | 
| 20×10mm,20×5mm, 15×10mm, 15×5mm | |||||||
| 800 | 4 | 60mm | 30×20mm,30×5mm,25×10mm,25×5mm, 20×10mm, 20×5mm, 15×10mm,15×5mm | 3-5Nm | 1-3Nm | 2 | SV4 |