Rated Short Circuit Breaking Current 25, 31.5, 40 12kv VS1 Indoor Vacuum Circuit Breaker
Main specifications and technical parameters(Refer to Tab 1)
Tab 1
| No | Item | Unit | Technical data |
| 1. | Rated voltage | kV | 12 |
| 2. | Rated short-time power frequency withstand voltage (1min) | 42 |
| 3. | Rated lightning impulse withstand voltage (peak value) | 75 |
| 4. | Rated Frequency | Hz | 50 |
| 5. | Rated current | A | 630 1250 | 630 1250 1600 2000 2500 3150 | 1250 1600 2000 2500 3150 4000* |
| 6. | Rated short circuit breaking current | kA | 25 | 31.5 | 40 |
| 7. | Rated short time withstand current | 25 |
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