| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Energy-storage Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | ACB |
| Samples: |
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| Customization: |
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Audited Supplier Introducing the 12kv Advanced High Voltage Vacuum Interrupter - the ultimate solution for all your high voltage needs! Our Vacuum Interrupter is designed to provide you with the best performance and reliability, making it the perfect choice for your industrial and commercial applications.
Crafted with precision and expertise, our Hv Vacuum Interrupter is made with a ceramic insulating shell, a middle sealing or built-in fixed shielding tube, and copper and chromium alloy contact material. This ensures that our product is not only durable but also highly efficient, making it the perfect choice for all your high voltage needs.VI is mainly applied to 12kV series RMU MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
Our 12kv Vacuum Interrupter is designed to optimize the structure, ensuring that it provides you with the best performance and reliability. With its advanced features and cutting-edge technology, our product is sure to exceed your expectations and provide you with the best value for your money.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 630 |
| Rated frequency | Hz | 50/60 |
| Rated short-time power frequency withstand voltage(1 min) | kV | 42★ |
| Rated lightning impulse withstand voltage | kV | 75★ |
| Rated short-circuit breaking current | kA | 20 |
| Rated peak withstand current | kA | 50 |
| Rated short-circuit making current | kA | 50 |
| Rated short-time withstand current | kA | 20 |
| Rated short-circuit duration | s | 4 |
| Rated single capacitor bank breaking current | A | 400 |
| Rated back to back capacitor bank breaking current | A | 400 |
| Breaking operation of rated short circuit breaking current | times | 30 |
| Mechanical life | times | 10000 |
| Contact closing force due to bellows and atomsphere | N | 110±40 |
| Force required to hold contact open at full stroke | N | 200±50 |
| Circuit resistance at lowest rated contact force | μΩ | ≤25 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure | Pa | ≤1.33×10-3 |
| Weight of moving parts | kg | 0.7 |
| Storage life | year | 20 |
| Parameter item | Unit | Data |
| Rated clearance between open contacts | mm | 8.5±1 |
| Average opening speed | m/s | 1.1±0.2 |
| Average closing speed | m/s | 0.6±0.2 |
| Rated contact pressure | N | 2000±200 |
| Contact bouncing duration at closing operation | ms | ≤2 |
| Closing and opening non-simultaneity of contacts | ms | ≤2 |
| Maximum rebound during opening | mm | ≤2 |
| Rated contact stroke | mm | 3.5±0.5 |
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