| Number of phases |
3 |
| Application |
At any point in the winding |
| Max. rated through current Ium (A) |
30 |
| Rated short time current (in A) |
600 |
| Rated duration of short-cicuits (in s) |
3 |
| Rated peak withstand current (in A) |
1,500 |
| Maximum rated step voltage Uim (in V) |
600 |
| Maximum rated tapping voltage Uim (in V) |
1,200 |
| Step capacity PStN (in VA) |
9,000 |
| Maximum number of operating positions |
9 |
| Rated insulation level |
|
|
Highest voltage for equipment Um (in kV)
|
24 |
|
Rated lightning impulse withstand voltage (in kV 1.2 / 50 μs)
|
125 |
|
Rated short duration power frequency withstand voltage (in kV, 50 Hz 1 min)
|
50 |
| Rated frequency (in Hz) |
50 |
| Temperature range of transformer oil |
-25°C to +105°C |
| Maximum permissible overpressure/vacuum (in bar) |
+/-0.3 |
| Maximum number of tap-change operations |
700,000 |