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RZP5.026 Precision Dual Voltage Embedded Pole: 12kV/40.5kV dual voltage, 1250A-3150A current, 31.5kA-40kA breaking, 48kV-95kV withstand, ≤15μΩ-≤25μΩ resistance, smart precision.
| Drawing No. | Specification |
| RZP5.026a | VEG40.5/2500-31.5 |
| RZP5.026b | VEG40.5/2000-31.5 |
| RZP5.026c | VEG40.5/1250-31.5 |
| RZP5.026f | EP12/3150-40 |
| RZP5.026g | EP12/2500-31.5 |
| Main Technical Data | |||||||
| Data | Value | Unit | |||||
| Rated voltage | 40.5 | 12 | kV | ||||
| Rated current | 2500 | 2000 | 1250 | 3150 | 2500 | A | |
| Rated frequency | 50 | Hz | |||||
| Rated short-circuit breaking current | 31.5 | 40 | 31.5 | kA | |||
| Operations of short-circuit breaking current interruption | 30 | time | |||||
| Rated short-circuit making current | 80 | 100 | kA | ||||
| Rated peak withstand current | 80 | 100 | kA | ||||
| Rated short-time withstand current（4s） | 31.5 | 40 | 31.5 | kA | |||
| Rated single capacitor bank breaking current | 630※ | A | |||||
| Rated back-to-back capacitor breaking current | 400※ | A | |||||
| Short-time(1min) power-frequency withstand voltage | 95 | 48 | kV | ||||
| Lighting impulse withstand voltage(peak) | 185 | 75 | kV | ||||
| Circuit resistance at rated contact force | ≤18 | ≤21 | ≤25 | ≤15 | ≤18 | μΩ | |
| Mechanical life | 10,000 | time | |||||
| Contact closing force due to bellows and atmosphere | 200±60 | 250±60 | N | ||||
| Counterforve at rated contact stroke | 300±60 | 350±60 | N | ||||
| Contact limit erosion | 3 | mm | |||||
| Shelf life | 20 | year | |||||
| Partial discharge | ≤1 | pC | |||||
| Rated operating sequence | 0-0.3s-co-180s-co | ||||||
| Mechanical Data Of Circuit Equipped With Interrupters | |||
| Data | Value | Unit | |
| Rated contact stroke | 20±1 | 9±1 | mm |
| Contact connection stroke | 5±1 | 3±1 | mm |
| Average opening speed | 2±0.2 | 1.3±0.2 | m/s |
| Average closing speed | 0.75±0.2 | 0.6±0.2 | m/s |
| Rated operation pressure of contact | 3600±300 | 5000±300 | N |
| Bounce duration of contact closing | ≤3 | ≤2 | ms |
| Out of simultaneity of contact closing and opening | ≤1 | ms | |
| Max. overtravel | ≤2 | mm | |
“※”Rated characteristics to be given on requeset
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