

General Information
40.5kV-1250A Indoor SF6 Vacuum Circuit Breaker Switch With Lower Isolation Switch, suitable for control and protection of 35kV power transmission and distribution system, used for breaking and closing load current, breaking short-circuit current. It adopts modular design and has the characteristics of compact structure, good breaking performance, high reliability, long life, fully insulated, maintenance-free, small footprint, and can be widely used in industrial, civil ring networks and terminal power supply networks. It is especially suitable for small secondary power distribution stations, switching stations, industrial and mining enterprises, airports, railways, highways, subways, commercial districts, living quarters, wind power, photovoltaics and other fields.
Use Environmental Conditions
- Installation location: inside the air box.
- Ambient temperature (ºC): -20~+40.
- Altitude (m): ≤2500.
- Air humidity (%): the daily average is not greater than 95%, and the monthly average is not greater than 90%.
- Other requirements: no flammable, explosive, serious pollution, chemical corrosion and severe vibration.
Size of Circuit Breaker With Lower Isolation Switch
Gas Tank With Lower Isolation Switch
Special Customization
The above parameters are typical data; if the existing styles do not meet your specific demands, please contact us for a custom design.We have significant personalized customization development and production skills, allowing us to provide tailored solutions to customers all over the world.