Complaint
Introducing the VAC302 12kv High Voltage Vacuum Interrupter Advanced - the ultimate solution for all your vacuum circuit breaker needs! With its cutting-edge technology and advanced features, this vacuum interrupter is the perfect choice for anyone looking for high-quality circuit breaker parts.
Crafted with precision and expertise, the 12kV series vacuum interrupter boasts 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 design ensure that the product is not only durable but also highly efficient. VI is mainly applied to VZN63-12kV series MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
Whether you're a professional electrician or a DIY enthusiast, the VAC302 12kv High Voltage Vacuum Interrupter Advanced is the perfect choice for you. With its easy-to-use design and top-of-the-line features, this product is sure to exceed your expectations.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 1600 |
| 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 | 31.5 |
| Rated peak withstand current | kA | 80 |
| Rated short-circuit making current | kA | 80 |
| Rated short-time withstand current | kA | 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 operation of rated short circuit breaking current | times | 30 |
| Mechanical life | times | 10000 |
| Contact closing force due to bellows and atomsphere | N | 125±50 |
| Force required to hold contact open at full stroke | N | 200±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 | 1.3 |
| 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. |
