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      1. Hello! welcomeZhejiang Xikai Electric Co. , Ltd.
        Zhejiang Xikai Electric Co. , Ltd.
        Contact
        Zhejiang Xikai Electric Co. , Ltd.
        Mailbox:wzxikai@wzxikai.com
        Tel:+86 577 61666 016
        address:No.271, Weishiqi Road, Yueqing Economic Development Insuatrial Zone, Yueqing, Zhejiang.

        product list

        Indoor high voltage load switch
        14/5000 Indoor vacuum circuit breaker
        Outdoor vacuum circuit breaker
        Outdoor high voltage load switch
        Outdoor high voltage disconnector
        Outdoor drop fuse
        High voltage current limiting fuse series
        High voltage complete set
        current position:Home>Product Center

        Product Center

          • VBI Series Indoor Vacuum Circuit Breaker

          VBI Series Indoor Vacuum Circuit Breaker

          VBI indoor high voltage vacuum circuit breaker is a three-phase AC 50/60Hz, rated voltage of 12kV and 24kV indoor switchgear, control and protection for industrial and mining enterprises, power plants and substations, electrical facilities, and for frequent operation place. Adopting Spring operating mechanism and circuit breaker integrated , design can be used as a fixed installation unit can also be equipped with special advance mechanism, the composition of handcart unit used. Some of the main circuit can use the whole solid seal post, in order to achieve smaller circuit breakers, high reliability, maintenance-free, can be equipped with KYN28Aand other handcart switch cabinet in the home can also be used with fixed XGN switchgear.

          Technical Information

          Technical Specification

           

           

           

           

           

           

           

          Rated voltage

          kV

           

          12

           

           

          24

          Rated Short circuit breaking capacity 4sec.

          kA

          20/25

          31.5

          40

          20/25

           

          31.5

           

           

           

          630 125

          1250 1600

           

           

          1250 1600

           

           

          630

          1600 2000

           

          630

           

           

          Rated Current

          A

           

          2500 3150

          2000 2500

           

           

          2000 2500

           

           

          1250

           

           

          1250

           

           

           

           

           

          4000

          3150 4000

           

           

          3150 4000

          Rated power frequency

          Hz

           

           

          50/60

           

           

           

          Power frequency withstand voltage 50Hz 1 min,:

          kV

           

          45

           

           

          65

          Impulse withstand voltage 1.2/50μ s:

          kV

           

          75

           

           

          125

          Peak withstand current

          kA Peak.

          63

          80

          100

          50/63

           

          80

          Making Capacity

          kA

          63

          80

          100

          50/63

           

          80

          Operation sequence

          times/h

           

          0-0.3s-CO-180s-CO

           

           

          Mechanism Endurance

          cycles

           

           

          10000

           

           

           


          Overall and installation dimensions


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