China 40.5kv Outdoor High Voltage Isolating Load Break Switch (FZW32), Find details about China Load Break Switch, Isolating Load Break Switch from 40.5kv Outdoor High Voltage Isolating Load Break Switch (FZW32)
Item | Unit | Data |
Rated voltage | kV | 40.5 |
Rated frequency | Hz | 50 |
Rated current | A | 1250 |
Rated power load breaking current | A | 1250 |
Rated closed load breaking | A | 1250 |
5% rated power load breaking current | A | 62.5 |
Rated cable charging breaking current | A | 35 |
1 min power frequency withstand voltage vacuum:fracture,phase to phase,to earth/isolating fracture | kV | 68/95/110 |
Lighting impulse withstand voltage phase to phase,to earth/isolating fracture | kV | 185/215 |
Rated short time withstand current (thermal stability) | kA | 25 |
Rated short circuit duration | S | 4 |
Rated peak withstand current (dynamic stability) | kA | 63 |
Rated short circuit making current | kA | 63 |
Mechanical life | time | 10000 |
Contact allowable attrition thickness in the vacuum interrupter | mm | 0.6 |
Manual operation torque | Nm | ≤350 |