| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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Introducing the Reliable 12kv High Voltage Vacuum Interrupter VAC307, the perfect solution for your high voltage needs. This vacuum interrupter is designed to provide reliable and efficient performance in a variety of applications.
The 12kV series vacuum interrupter features a ceramic insulating shell, a middle sealing or built-in fixed shielding tube, and copper and chromium alloy contact material. These optimizations in the structure ensure that the vacuum interrupter is able to withstand high voltage and provide long-lasting performance.VI is mainly applied to VZN63-12kV series indoor MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
The VAC307 is a high-quality vacuum interrupter that is suitable for use in a range of industries, including power generation, transmission, and distribution. It is designed to provide reliable and efficient performance in even the most demanding environments.
With its high voltage capabilities and durable construction, the VAC307 is the perfect choice for those looking for a reliable and efficient vacuum interrupter. Whether you are looking to upgrade your existing equipment or are in need of a new solution, the VAC307 is the perfect choice.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 2000 |
| 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 | 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 | ≤20 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure | Pa | ≤1.33×10-3 |
| Weight of moving parts | kg | 1.6 |
| 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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