| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Energy-storage Type |
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Introducing the 12kv High Voltage Vacuum Circuit Breaker Pole with Integrated Pole - the ultimate solution for your vacuum circuit breaker needs! This product is perfect for those who are looking for reliable and efficient vacuum circuit breaker parts that can withstand high voltage applications.
The embedded pole of this product uses insulation material to reliably seal the vacuum interrupter and the main loop conductive element, as well as the insulation support as a whole. This design has several advantages, including simplicity, reliability, and ease of maintenance.
With the 12kv Embedded Pole, you can rest assured that your vacuum circuit breaker will operate smoothly and efficiently, even in the most demanding applications. This product is designed to provide maximum performance and reliability, ensuring that your equipment operates at peak efficiency at all times. Plateau type, used for altitude 3000 meters. Meets or exceeds the requirement of IEC60694 and JB-T11203-2011.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 12 |
| Rated current | A | 1250/1600 |
| Rated frequency | Hz | 50/60 |
| Rated short-time power frequency withstand voltage(1min) | kV | 48 |
| Rated lightning impulse withstand voltage | kV | 95 |
| Rated short-circuit breaking current | kA | 31.5/40 |
| Rated short-time withstand current | kA | 80/100 |
| Rated peak withstand current | kA | 80/100 |
| Rated short-circuit making current | kA | 31.5/40 |
| Rated short-circuit duration | s | 4 |
| Rated single capacitor bank breaking current | A | 400 |
| Rated back to back capacitor bank breaking current | A | 400 |
| Rated operating sequence | O-0.3s-CO180s-CO | |
| Breaking operations of rated short circuit breaking current | times | 20 |
| Mechanical life | times | 10000 |
| Contact automatic closing ability | N | 120±50 |
| Force required to hold contact open at full stroke | N | 200±50 |
| Circuit resistance at lowest rated contact force | μΩ | ≤25 |
| Contact limit erosion | mm | 3 |
| Internal gas pressure of vacuum interrupter | Pa | ≤1×10-3 |
| Partial discharge | Pc | ≤5 |
| Parameter item | Unit | Data |
| Clearance between open contacts | mm | 11±1 |
| Average opening speed | m/s | 1.2±0.2 |
| Average closing speed | m/s | 0.8±0.2 |
| Rated contact pressure | N | 3200±200 4300±200 |
| Contact bouncing duration at closing operation | ms | ≤2 |
| Closing and opening non-simultaneity of contacts | ms | ≤2 |
| Maximum rebound during opening | mm | ≤2 |
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