| Electricity Type: | AC |
|---|---|
| Number of Pole: | 3 |
| Phase: | 3 |
| Main Circuit Rating Voltage: | High Voltage |
| Main Circuit Rating Current: | 630A |
| Type: | Ac Contactors |
| Samples: |
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| Customization: |
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Audited Supplier Introducing the 12kv VAC303A Efficient High Voltage Vacuum Interrupter - the ultimate solution for all your high voltage needs! This top-of-the-line vacuum interrupter is designed to provide unparalleled performance and reliability, making it the perfect choice for a wide range of applications.
Crafted with industry-leading expertise and cutting-edge technology, this 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 structure ensure that the interrupter delivers maximum efficiency and durability, even in the most demanding environments.
Whether you're looking for a vacuum interrupter for your industrial equipment or power transmission systems, the 12kv VAC303A is the perfect choice. With its exceptional performance and reliability, you can rest assured that your equipment will operate at peak efficiency, minimizing downtime and maximizing productivity. 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.
So why wait? Order your 12kv VAC303A Efficient High Voltage Vacuum Interrupter today and experience the ultimate in high voltage performance and reliability!
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 630/1250 |
| 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 peak withstand current | kA | 50 |
| Rated short-circuit making current | kA | 50 |
| Rated short-time withstand current | kA | 25 |
| 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 | 90±30 |
| Force required to hold contact open at full stroke | N | 150±40 |
| 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 | 0.8 |
| 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 | 2500±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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