40.5kV Outdoor High Voltage Vacuum Circuit Breaker
This outdoor high voltage vacuum circuit breaker is rated for 40.5 kV, tri-phase AC 50 Hz systems. It is used for breaking and closing load current, overload current, and short-circuit current in power systems.



Technical Specifications
Product Overview
High-Performance Outdoor Circuit Protection
The ZW37-40.5 is a robust outdoor high-voltage vacuum circuit breaker engineered for reliable performance in 40.5kV, three-phase AC 50Hz power systems. Designed for versatility, it excels in managing load, overload, and short-circuit currents across substations, industrial facilities, and rural distribution networks. Its maintenance-free, anti-condensation design makes it particularly well-suited for high-frequency operation sites and automated grid environments.
Technical Specifications
- Rated Voltage
- 40.5 kV
- Rated Frequency
- 50 Hz
- Phases
- Tri-phase
Key Features
Core Advantages
Suitable Applications
- Substations
- Industrial Enterprises
- Mining Enterprises
- Urban Distribution Networks
- Rural Distribution Networks
- Frequent Operation Sites



