VB-40.5 vacuum circuit breaker is a three-phase AC indoor device with rated voltage of 40.5kV. It can be used for the control and protection of electrical equipment in industrial and mining enterprises, power plants and substations.
Products in line with GB, DL, IEC standards. It is especially suitable for frequent working conditions.
The circuit breaker can be installed in fixed or removable switchgear, which is the best choice for control and protection of medium voltage distribution systems.
•The vacuum arc extinguishing chamber adopts the world's advanced miniaturization and high-performance arc extinguishing chamber manufacturing technology. The contact is made of copper-chromium alloy material, and the vacuum degree of the vacuum arc extinguishing chamber is high
• The arc extinguishing chamber of the vacuum circuit breaker is poured in epoxy resin as a whole, and the pole column structure is firm and reliable
•Solid insulation, environment-friendly
• Single modular mechanism, strong universality, easy to maintain, more convenient and easy to operate