Customization: | Available |
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Electricity Type: | AC |
Number of Pole: | 3 |
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Introducing the 12kv 2500A Vacuum Interrupter for Circuit Breaker, the ultimate solution for all your vacuum circuit breaker needs. This high voltage vacuum interrupter is designed to provide superior performance and reliability, making it the perfect choice for a wide range of applications.
Crafted with a ceramic insulating shell, a middle sealing or built-in fixed shielding tube, and copper and chromium alloy contact material, this vacuum interrupter is built to last. The structure has been optimized to ensure maximum efficiency and durability, making it the ideal choice for demanding industrial environments.
Whether you're looking for vacuum circuit breaker parts or high voltage vacuum interrupters, this product has got you covered. With its advanced design and superior performance, it is the perfect choice for a wide range of applications, including power generation, transmission, and distribution. VI is mainly used for VS1 and ZN28 series MV vacuum circuit breaker. Meets or exceeds the requirement of IEC62271-100 and E2 level in GB1984-2003.
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 |
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 | 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 | 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. |