| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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Introducing the 12kV High Voltage Vacuum Interrupter for Embedded Pole Applications! Get ready to experience a whole new level of power and reliability with this cutting-edge product. Designed with precision and engineered to perfection, this vacuum interrupter is here to revolutionize the way you handle high voltage applications. H=275mm. VI is mainly applied to VZN63-12kV series embedded pole of indoor MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
With its ceramic insulating shell, this interrupter ensures maximum insulation and protection. Say goodbye to worries about electrical leakage or breakdowns. The middle sealing or built-in fixed shielding tube further enhances the safety and performance of this remarkable device. You can trust it to handle even the most demanding tasks with ease.
But that's not all! The copper and chromium alloy contact material guarantees exceptional conductivity and durability. This means you can rely on this interrupter to deliver consistent and efficient performance, time after time. No more interruptions or fluctuations in your power supply. It's time to take control and enjoy uninterrupted power like never before.
Whether you're in the energy sector, manufacturing industry, or any other field that requires high voltage applications, this vacuum interrupter is a game-changer. It's time to upgrade your equipment and elevate your operations to new heights.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 1250 |
| 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 | 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 | 100±40 |
| Force required to hold contact open at full stroke | N | 160±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 | 1.1 |
| 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 | 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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