| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Manual Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | Zn85-40.5 |
| Customization: |
|---|
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| ltem | Unit | Reference value | |
| Rated voltage | kV | 40.5 | |
| Rated insulation level | Lightning impulse withstand voltage | kV | 185 |
| 1min power-frequency withstand voltage | kV | 95 | |
| Rated frequency | Hz | 50/60 | |
| Rated current | A | 630/1250/1600/2000/2500/3150 | |
| Rated short-circuit breaking current | kA | 20/25/31.5 | |
| Rated short-circuit making current (peak value) | kA | 50,63,80 | |
| Rated short-time withstand current | kA | 20/25/31.5 | |
| Rated withstand current (peak value) | kA | 50,63,80 | |
| Required operation sequence | O-0.3s-CO-180s-CO | ||
| Rated short-circuit duration | s | 4 | |
| Times of making-breaking with the rated short-circuit current | Times | 30 | |
| Mechanical life | M2 level | ||
| Weight | kg | 350 | |
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