2. ZN65A-EP Indoor Vacuum Circuit BreakerThe ZN65A-EP indoor vacuum circuit breaker has its vacuum tube, primary conductive loop, and insulating support encapsulated by epoxy resin. The partition plates are also removed, which further improves the device’s resistance to dirt and mechanical collision.
    2. ZN63A-12 Indoor Vacuum Circuit BreakerThis indoor vacuum circuit breaker has features of simple structure, reliable performance, easy installation and maintenance, as well as long service life. It adopts a spring energy storage type operating mechanism, which can be manually or electrically (AC or DC) operated.
    2. ZN65A-40.5/T2000-31.5 Indoor Vacuum Circuit BreakerThe ZN65A-40.5/T2000-31.5 indoor vacuum circuit breaker is a type of high-voltage electrical equipment with the rated voltage of AC 40.5kV and the rated frequency of 50Hz. Its prominent feature is that its mechanical life reaches 120,000 times.
    2. ZN65A-12/T3150-40 Indoor Vacuum Circuit BreakerWith excellent breaking performance and long mechanical life, this vacuum circuit breaker can be used for the control and protection of outlet of small generator, steelmaking electric furnace, and other electrical equipment.
    2. ZN65A-12/T1250-25 Indoor Vacuum Circuit BreakerThis indoor vacuum circuit breaker can be used as the control or protection switch in power transmission and distribution systems. It is especially suitable for occasions requiring frequent operations.
    2. ZN12-24 Indoor Vacuum Circuit BreakerWith characteristics of simple structure, long service life, high breaking capacity, complete operating functions, convenient maintenance, and no explosion hazard, this product is suitable to be used as the control or protection switch for power transmission and distribution systems.
    2. ZN12-12 Indoor Vacuum Circuit Breaker

      This indoor vacuum circuit breaker is specially developed for the thermal power unit with the capacity over 300,000 kilowatts.
      It can be used in places with the altitude as high as 2,000 meters.

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Indoor Vacuum Circuit Breaker

With small volume, light weight, and maintenance-free arc-extinguishing chamber, the indoor vacuum circuit breaker is widely used in the power distribution networks.

As a power distribution unit in three-phase AC systems, this switching device can be used to control and protect electrical equipment in substations, power plants, as well as industrial and mining enterprises. It is particularly suitable for occasions requiring no oil, little maintenance and frequent operation.

In addition, this indoor vacuum circuit breaker can be installed inside the centrally installed switchgear, double-layer switchgear, or fixed switchgear to protect and control high-voltage electrical devices.

As a specialized indoor vacuum circuit breaker manufacturer and supplier in China, BBE provides a vast array of products, including outdoor vacuum circuit breaker, withdrawable switchgear, high voltage vacuum contactor, and gas insulated switchgear (GIS), among others.