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    2. 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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