No. | Description | Unit | Parameter |
|
1 | Rated voltage | kV | 12 | 24 |
2 | Rated current | A | 630 - 4000 | 630-3150 |
3 | Rated frequency | Hz | 50 | 50 |
4 | Rated busbar current | A | 630 - 4000 | 630-3150 |
5 | Power frequency withstand voltage (1min) | Phase to phase/earth | kV | 42 | 65 |
Across the isolating distance | 48 | 79 |
6 | Lightning impulse withstand voltage | Phase to phase/earth | kV | 95 | 125 |
Across the isolating distance | 95 | 145 |
7 | Rated short circuit breaking current | kA | 25, 31.5, 40 | 25, 31.5, 40 |
8 | Rated short circuit making current (peak) | kA | 63, 80, 100 | 63, 80, 100 |
9 | Rated peak withstand current | kA | 63, 80, 100 | 63, 80, 100 |
10 | Rated short time withstand current | kA | 25, 31.5, 40 | 25, 31.5, 40 |
11 | During of short circuit | s | 4 | 25, 31.5, 40 |
12 | Protection degree |
| Enclosure IP4X; partition between compartments IP2X | Enclosure IP4X; partition between compartments IP2X |
