Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Item | Unit | Data |
Rated voltage | kV | 12 |
Rated frequency | Hz | 50 |
Rated current | A | 630,1250 |
Rated short-circuit breaking current | kA | 16, 20 |
Rated short time withstand current | kA | 16, 20 |
Rated peak withstand current (peak) | kA | 40, 50 |
Rated short circuit duration | S | 4 |
Rated short circuit making current (peak) | kA | 50 |
1min P.F. withstand voltage phase to phase, to earth | kV | 42 |
1min P.F. withstand voltage fracture | kV | 48 |
Lightning impulse withstand voltage phase to phase, to earth | kV | 75 |
Lightning impulse withstand voltage fracture | kV | 85 |
Rated operating sequence | kV | O-0.3s-CO-180s-CO |
Rated current breaking times | time | 10000 |
Rated short-circuit current breaking times | time | 50 |
Mechanical life time | time | 30000 |
Secondarycircuit1min power frequency withstand voltage (except for electronic unit) | V | 2000 |