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| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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| Item | Unit | Specification |
| Rate voltage | kV | 40.5 |
| Rate current | A | 1250/1600 |
| Rate frequency | Hz | 50 & 60 |
| Power frequency withstand voltage (dry) (wet),ground/fracture | kV | 80 95/95 |
| Lightning impulse withstand current (peak) phase to phase,ground/fracture | kV | 185 |
| Rated short-circuit breaking current | kA | 25/31.5 |
| Rated short-circuit making current (peak) | kA | 63/80 |
| Rated peak withstand current | kA | 63/80 |
| Short-time withstand current,4S | kA | 25/31.5 |
| Rated operating cycle | O-0.1s -CO-3s -CO-6s CO-60s Recover | |
| Rated short-circuit current breaking times | times | 30 |
| Mechanical life | times | 10000 |
| Mechanism control voltage | V | AC/DC220 |
| Power frequency withstand voltage of secondary circuit (1min ) | kV | 2 |
| Item | Unit | Specification |
| Contact stroke | mm | 16±1 |
| Contact over-travel | mm | 4±0.5 |
| Opening speed | m/s | 1.4-1.8 |
| Closing speed | m/s | 0.4-0.8 |
| Contact closing bouncing duration | ms | ≤5 |
| Center distance between phases | mm | 460±2 |
| Opening/Closing synchronism between poles | ms | ≤2 |
| Conductive loop resistance of each phase | μΩ |
< 80 |
| Closing time | ms | ≤100 |
| Opening time | ms | ≤50 |
| Weight | Kg | 270 |










