| Description | Unit | Specification |
| Rated voltage | kV | 40.5 |
| 1min power frequency withstand voltage | KV | 95 |
| Lighting impluse withstand voltage peak | KV | 185 |
| Rated frequency | Hz | 50 |
| Rated current | A | 1250 1600 2000 |
| Rated short circuit withstand current | KA | 20 25 31.5 |
| Rated peak withstand current | KA | 5063 80 |
| Rated short time duration | s | 4 |
| Rated short time breaking current | KA | 20 25 31.5 |
| Rated short time making current | KA | 50 63 80 |
| Rated operating sequence | O-0.3s-CO-180s-CO | |
| Breaking time | m.s | <80 |
| Rated short-circuit breaking current breaking times | time | 20 |
| Single capacitor bank breaking current | A | 630 |
| Back to back capacitor bank breaking current | A | 400 |
| Rated operating voltage | V | ≅110 ≅200 |
| Mechanical life | time | 20000 |
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