| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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| Technical specification | ||||
| No. | Item | Unit | Data | |
| 1 | Rated frequency | Hz | 50 | |
| 2 | Rated voltage | kV | 12 | |
| 3 | Rated short-time power frequency withstand voltage | Interphase, to earth(wet) | kV/min | 34/1 |
| Interphase, to earth(dry) | 42/1 | |||
| Interrupter fracture, isolated fracture(dry test) | 49/1 | |||
| Auxiliary control circuit to earth | 2/1 | |||
| 4 | Rated lightning impulse withstand voltage | Interphase, to earth | kV | 75 |
| Arc extinguish chamber Break, Isolation break | 85 | |||
| 5 | Rated current | A | 630 | |
| 6 | Rated short-time withstand current and duration | kA/s | 20/4 | |
| 7 | Rated peak withstand current | kA | 50 | |
| 8 | Rated short-circuit making current(peak) | 50 | ||
| 9 | The leak rate of the year | ≤0.5% | ||
| 10 | Main circuit resistance | μΩ | ≤550 | |
| 11 | Mechanical life | Times | 10000 | |
| Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. | ||||
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