40.5KV circuit breaker Vacuum arc extinguishing chamber embedded pole
Inquire NowDescription
The 40.5KV Circuit Breaker Vacuum Arc Extinguishing Chamber Embedded Pole is an advanced electrical component designed for high-performance applications. This innovative product utilizes a vacuum arc extinguishing chamber within a compact, solid-sealed epoxy pole, significantly reducing the overall size and complexity of circuit breakers. Its unique design not only enhances operational stability but also ensures high reliability against pressure fluctuations.
With its robust construction using a high-quality epoxy resin, the embedded pole offers exceptional mechanical, electrical, and thermal aging performance. It provides outstanding vacuum sealing capabilities, making it suitable for a variety of operating conditions in sectors such as electric power, machinery, chemical industries, metallurgy, and mining. The device is particularly effective for both indoor and outdoor vacuum circuit breakers or vacuum distribution devices, operating at frequencies of 50Hz/60Hz and rated voltages of 12kV, 17.5kV, 24kV, 27.5kV, and 40.5kV.
Specifications
| Attribute | Value |
|---|---|
| Rated Voltage | 40.5KV |
| Rated Current | 1600/2000A |
| Rated Frequency | 50Hz |
| Rated Short-circuit Breaking Current | 31.5KA |
| Operations of Short-circuit Breaking Current Interruption | 30 times |
| Rated Short-time Withstand Current (4S) | 31.5KA |
| Mechanical Life | 10,000 Operations |
| Shelf Life | 20 Years |
| Contact Closing Force due to Bellow and Atmospheric | 250±50N |
| Contact Erosion Limit | 3mm |
Additional Information
- Compatible with various rated voltages including 12kV, 17.5kV, 24kV, 27.5kV, and 40.5kV.
- Designed for maintenance-free operation, providing ease of installation.
- Excellent resistance to high and low temperature shocks.
- Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-100 and GB 1984-2003.
