| Max. rated through-current | 350 A |
| Max. rated step voltage | 1,500 V |
| Max. rated switching capacity | 525 kVA |
| Max. voltage for operational equipment Um | 40-123 kV |
| Application of the three-phase design: Star point (neutral point) or selectable winding position |
| Operating positions without change-over selector | 14 max. |
| Operating positions with change-over selector | 27 max. |