| Customization: | Available |
|---|---|
| Power Frequency Withstand Voltage: | 42kv |
| Lightning Impulse Withstand Voltage: | 75kv |
|
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Introducing the 12kv High Voltage Vacuum Interrupter VAC308 - the ultimate solution for all your high voltage needs! This reliable and long-lasting vacuum interrupter is designed to meet the demands of modern industries and is perfect for use in a variety of applications.
Crafted with precision and care, 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 not only durable but also highly efficient.
With a voltage rating of 12kV, this vacuum interrupter is perfect for use in high voltage applications. Whether you're looking to use it in power distribution systems, circuit breakers, or other high voltage equipment, the 12kv High Voltage Vacuum Interrupter VAC308 is the perfect choice. 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.
What sets this vacuum interrupter apart from the rest is its reliability and longevity. You can rest assured that this vacuum interrupter will perform consistently and efficiently for years to come, making it a cost-effective solution for your business.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 3150 |
| 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 | 31.5/40 |
| 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 | 200±50 |
| Force required to hold contact open at full stroke | N | 300±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 | 2.7 |
| 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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