| Breaking Capacity: | High Voltage Circuit Breakers |
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| 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 Embedded Pole High Voltage Vacuum Interrupter, the ultimate solution for all your high voltage needs! This cutting-edge product is designed to provide exceptional performance and reliability, making it the perfect choice for various industrial applications.H=250mm. VI is mainly applied to VZN63-12kV series embedded pole of MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
The Vacuum Interrupter is the heart of any electrical circuit breaker, and our 12kV series is no exception. With its advanced features and innovative design, this interrupter guarantees efficient and safe operation, ensuring the smooth functioning of your electrical systems.
One of the standout features of our 12kV Embedded Pole High Voltage Vacuum Interrupter is its ceramic insulating shell. This high-quality shell provides excellent insulation properties, protecting the interrupter from external factors and ensuring long-lasting performance. Additionally, the middle sealing or built-in fixed shielding tube further enhances the interrupter's durability and reliability.
To ensure optimal performance, we have carefully selected copper and chromium alloy as the contact material. This combination not only enhances conductivity but also improves the interrupter's resistance to wear and tear, ensuring a longer lifespan and reducing maintenance costs.
The structure design of our 12kV Embedded Pole High Voltage Vacuum Interrupter has been optimized to deliver maximum efficiency. With its compact size and lightweight construction, this interrupter can be easily integrated into various electrical systems, saving valuable space and simplifying installation processes.
Don't compromise on quality and reliability when it comes to high voltage applications. Choose our 12kV Embedded Pole High Voltage Vacuum Interrupter and experience the difference it can make in your operations. Trust in our expertise and let us empower your business with the best-in-class products.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 1250 |
| Rated frequency | Hz | 50 |
| Rated short-time power frequency withstand voltage(1 min) | kV | 42 |
| Rated lightning impulse withstand voltage | kV | 75 |
| Rated short-circuit breaking current | kA | 25/31.5 |
| Rated short-time withstand current | kA | 63/80 |
| Rated peak withstand current | kA | 63/80 |
| Rated short-circuit making current | kA | 25/31.5 |
| Rated short-circuit duration | s | 4 |
| Rated single capacitor bank breaking current | A | 630 |
| Rated back to back capacitor bank breaking current | A | 400 |
| Breaking operations of rated short circuit breaking current | times | 30 |
| Mechanical life | times | 10000 |
| Contact closing force due to bellows and atomsphere | N | 120±50 |
| Force required to hold contact open at full stroke | N | 180±50 |
| Circuit resistance at lowest rated contact force | μΩ | ≤15 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure | Pa | ≤1.33×10-3 |
| Weight of moving parts | kg | 0.85 |
| Storage life | year | 20 |
| Parameter item | Unit | Data |
| Rated clearance between open contacts | mm | 9±1 |
| Average opening speed | m/s | 1.1±0.2 |
| Average closing speed | m/s | 0.6±0.2 |
| Rated contact pressure | N | 3100±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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