| 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 game-changing 12kV Vacuum Interrupter for Medium Voltage Vacuum Contactor VAC202! This top-of-the-line product is the perfect solution for all your vacuum interrupter needs. With its advanced ceramic insulating shell and copper and chromium alloy contact material, this interrupter is built to last and perform at the highest level.
Our 12kV series vacuum interrupter is designed with the latest technology to ensure optimal performance and reliability. The middle sealing or built-in fixed shielding tube provides additional protection, making it the perfect choice for medium voltage applications.VI is mainly applied to VCKG3-12 series AC MV vacuum contactor. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
We understand the importance of quality and safety, which is why we have optimized the structure of our vacuum interrupter to ensure maximum efficiency and durability. With our product, you can rest assured that you are getting the best of the best.
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 connecting current | kA | 6.3 |
| Rated breaking current | kA | 5.04 |
| Rated maximum sectional current | kA | 6.3 |
| Rated minimum sectional current | A | 120 |
| Rated short-time withstand current | kA | 6.3 |
| Rated short-circuit duration | s | 4 |
| Mechanical life | ten-thousand times | 30 |
| Rated breaking time AC3 | ten-thousand times | 15 |
| Rated breaking time AC4 | ten-thousand times | 6 |
| Contact closing force due to bellows and atomsphere | N | 60±20 |
| Force required to hold contact open at full stroke | N | 90±30 |
| Circuit resistance at rated contact force | μΩ | ≤50 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure | Pa | ≤1.33×10-3 |
| Weight of moving parts | kg | 0.5 |
| Storage life | year | 20 |
| Parameter item | Unit | Data |
| Rated clearance between open contacts | mm | 6±1 |
| Average opening speed | m/s | 0.6±0.2 |
| Average closing speed | m/s | 0.3±0.1 |
| Rated contact pressure | N | 140±20 |
| Contact bouncing duration at closing operation | ms | ≤3 |
| Closing and opening non-simultaneity of contacts | ms | ≤1 |
| Rated contact stroke | mm | 2±0.5 |
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