Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Energy-storage 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 overtravel | 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 among each pahse | ms | ≤2 |
Conductive loop resistance of each phase | μΩ |
< 80 |
Closing time | ms | ≤100 |
Opening time | ms | ≤50 |
Weight | Kg | 270 |