| 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 Get ready to experience the ultimate in high voltage performance with our 12kv High Voltage High Performance Vacuum Interrupter VAC307A! This top-of-the-line vacuum interrupter is the perfect solution for all your high voltage needs, whether you're working in the power industry, manufacturing, or any other field that requires reliable and efficient electrical equipment. VI is mainly used for VZN63-12kV series MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
Our 12kv Vacuum Interrupter is designed with the latest technology and features a ceramic insulating shell, a middle sealing or built-in fixed shielding tube, and copper and chromium alloy contact material. These optimizations in structure ensure that our vacuum interrupter delivers the highest level of performance and reliability, even in the most demanding environments.
With its exceptional quality and durability, our 12kv High Voltage High Performance Vacuum Interrupter VAC307A is the perfect choice for anyone who needs a reliable and efficient vacuum interrupter. Whether you're looking for a vacuum interrupter for your power plant, manufacturing facility, or any other high voltage application, our product is sure to meet your needs and exceed your expectations.
So why wait? Order your 12kv Vacuum Interrupter today and experience the power and performance that only our product can deliver!
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 2500 |
| 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 | 31.5/40 |
| Rated peak withstand current | kA | 100 |
| Rated short-circuit making current | kA | 100 |
| Rated short-time withstand current | kA | 40 |
| 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 operation of rated short circuit breaking current | times | 30 |
| Mechanical life | times | 10000 |
| Contact closing force due to bellows and atomsphere | N | 160±50 |
| Force required to hold contact open at full stroke | N | 260±50 |
| Circuit resistance at lowest rated contact force | μΩ | ≤18 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure | Pa | ≤1.33×10-3 |
| Weight of moving parts | kg | 1.8 |
| Storage life | year | 20 |
| Parameter item | Unit | Data |
| Rated clearance between open contacts | mm | 11±1 |
| Average opening speed | m/s | 1.1±0.2 |
| Average closing speed | m/s | 0.6±0.2 |
| Rated contact pressure | N | 4500±300 |
| 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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