Complaint
Get ready to experience the ultimate in reliability and stability with our 24kv High Voltage Embedded Pole for Vacuum Circuit Breaker! This innovative product uses top-of-the-line insulation material to seal the vacuum interrupter and main loop conductive element, creating a sturdy and reliable insulation support. With its simple assembly, stable weight, and strong environmental pollution tolerance, this Embedded Pole is the perfect solution for frequent operation places such as electric power, machinery, chemical industry, metallurgy, mining, and more.
Designed to match with relevant indoor and outdoor vacuum circuit breakers or vacuum distribution devices, our Embedded Pole is the ideal choice for those seeking a high-quality, dependable product. With a frequency of 50Hz/60Hz and rated voltage options of 12kV, 17.5kV, 24kV, 27.5kV, and 40.5kV, you can rest assured that our Embedded Pole will meet all of your needs. Meets or exceeds the requirement of IEC60694 and JB-T11203-2011.
Specification of VI
| Parameter item | Unit | Data |
| Rated voltage | kV | 24 |
| Rated current | A | 2000 |
| Rated frequency | Hz | 50/60 |
| Rated short-time power frequency withstand voltage(1min) | kV | 65(79) |
| Rated lightning impulse withstand voltage | kV | 125(145) |
| Rated short-circuit breaking current | kA | 31.5 |
| Rated short-time withstand current | kA | 80 |
| Rated peak withstand current | kA | 80 |
| Rated short-circuit making current | kA | 31.5 |
| 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 | 100±50 |
| Force required to hold contact open at full stroke | N | 200±50 |
| Circuit resistance at lowest rated contact force | μΩ | ≤20 |
| 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 | 13±1 |
| Average opening speed | m/s | 1.30±0.2 |
| Average closing speed | m/s | 0.7±0.2 |
| Rated contact pressure | N | 4600±200 |
| Contact bouncing duration at closing operation | ms | ≤2 |
| Closing and opening non-simultaneity of contacts | ms | ≤2 |
| Maximum rebound during opening | mm | ≤2 |
