ZW30-40.5 Series Outdoor High-Voltage Vacuum Circuit Breaker
ZW30-40.5 Series Outdoor High-Voltage Vacuum Circuit Breaker is a reliable 40.5kV outdoor switching device designed for high-voltage power distribution systems, substations, and industrial electrical networks. It adopts advanced vacuum interruption technology to provide efficient arc extinction, fast fault isolation, and stable switching performance under demanding operating conditions.
Featuring a robust outdoor structure and a reliable spring operating mechanism, the ZW30-40.5 offers excellent mechanical durability, low maintenance requirements, and long service life. It is suitable for applications requiring dependable protection and control, including power plants, substations, industrial facilities, and outdoor high-voltage distribution networks.
Get a QuoteOverview
The ZW30-40.5 Outdoor Vacuum Circuit Breaker is a reliable 40.5kV high-voltage switching device designed for outdoor power systems. Equipped with a CT17-IVB spring operating mechanism, it delivers stable switching performance, precise control, and dependable protection for medium-voltage and high-voltage distribution applications.
With excellent mechanical durability and the ability to withstand frequent operating conditions, the ZW30-40.5 is suitable for substations, power generation facilities, and industrial power networks requiring safe operation, long service life, and reliable fault interruption.
Features
The ZW30-40.5 Outdoor Vacuum Circuit Breaker adopts a sealed gas insulation structure filled with nitrogen or SF6 gas, providing excellent dielectric performance and reliable operation under various outdoor environmental conditions. The sealed design helps protect internal components from moisture, dust, and climate variations, ensuring long-term stability.
With a compact structure and flexible configuration options, the breaker can support multiple current transformer (CT) arrangements to meet different measurement, protection, and automation requirements. It is manufactured according to relevant standards, including GB 1984 and IEC 62271-100, ensuring dependable performance for high-voltage power applications.
Technical Data
| Item | Unit | Parameter | |
| Rated Voltage | kV | 40.5 | |
| Rated Current | A | 2000 | |
| Rated Frequency | Hz | 50 | |
| Rated Short Circuit Breaking Current | kA | 31.5 | |
| Mechanical Life | Times | 10000 | |
| Protection Level | / | IP65 | |
Overall and mounting dimensions(mm)
