| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Energy-storage Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | ACB |
| Samples: |
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| Customization: |
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Audited Supplier Are you looking for a reliable and high-performance vacuum interrupter for your medium voltage switchgear? Look no further than the 12kv VAC201 Vacuum Interrupter!
Crafted with precision and expertise, this vacuum interrupter boasts a ceramic insulating shell that ensures maximum durability and longevity. The middle sealing or built-in fixed shielding tube provides added protection and security, while the copper and chromium alloy contact material guarantees optimal conductivity and performance.
But that's not all - the 12kV series vacuum interrupter also features a streamlined and optimized structure that enhances its overall efficiency and effectiveness. Whether you're looking to upgrade your existing switchgear or invest in a new and improved solution, the 12kv VAC201 Vacuum Interrupter is the perfect choice for any medium voltage application.VI is mainly applied to VJCZ5-12 and VCKG-12 series MV vacuum contactors. 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 | 630 |
| Rated frequency | Hz | 50/60 |
| Rated short-time power frequency withstand voltage(1 min) | kV | 42 |
| Rated lightning impulse withstand voltage | kV | 75 |
| Rated connecting current | kA | 6.3 |
| Rated breaking current | kA | 5.04 |
| Rated maximum sectional current | kA | 6.3 |
| Rated minimum sectional current | A | 120 |
| Rated short-time withstand current | kA | 6.3 |
| Rated short-circuit duration | s | 4 |
| Mechanical life | ten-thousand times | 30 |
| Rated breaking time AC3 | ten-thousand times | 15 |
| Rated breaking time AC4 | ten-thousand times | 6 |
| Contact closing force due to bellows and atomsphere | N | 60±20 |
| Force required to hold contact open at full stroke | N | 90±30 |
| Circuit resistance at rated contact force | μΩ | ≤50 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure | Pa | ≤1.33×10-3 |
| Weight of moving parts | kg | 0.5 |
| Storage life | year | 20 |
| Parameter item | Unit | Data |
| Rated clearance between open contacts | mm | 6±1 |
| Average opening speed | m/s | 0.6±0.2 |
| Average closing speed | m/s | 0.3±0.1 |
| Rated contact pressure | N | 110±20 |
| Contact bouncing duration at closing operation | ms | ≤3 |
| Closing and opening non-simultaneity of contacts | ms | ≤1 |
| Rated contact stroke | mm | 2±0.5 |
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