Contact experts today! A vacuum circuit breaker (VCB) is a high voltage circuit breaker where the arc quenching happens in a vacuum medium. The process of switching on and closing of current carrying contacts and interrelated arc interruption occurs in a vacuum chamber, called a vacuum interrupter.
Maximize your productivity with reduced downtimes with ABB’s flagship product family of VD4 circuit breakers for primary and secondary protection, with a global installed base of over 2 million units and higher performance than the market standard.
Vacuum interrupters embedded in poles for protection against humidity, shocks and dust
Modular spring-operated mechanical actuator ensuring easy operation even without auxiliary supply
30,000 mechanical operations on most ratings
Rated at up to 46 kV, 4000 A, 63 kA.
Custom HV Indoor Vacuum Circuit Breaker can be customized to fit your specific application requirements while reducing maintenance costs and improving reliability.
Gear is configured to meet any system or application need
Switches and fuses never need adjusting, programming, or dielectric testing
Utility-grade design withstands time and the elements
Preassembled and simpler construction requirements
Lower up-front and maintenance costs than metal-clad switchgear
Fuses offer faster fuse-clearing time and reduce system stress compared to circuit breakers