亚洲国产综合精品2020

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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/R-12 Vacuum Circuit Breaker with Lateral Operating Mechanism

    VBI/R-12 Vacuum Circuit Breaker with Lateral Operating Mechanism

    VBI/R-12 Vacuum Circuit Breaker with Lateral Operating Mechanism is fixed installation. It is mainly used for fixed switchgear. The circuit breaker can be used alone. It is more suitable for ring network power supply, box transformer or various non-standard power supply systems.

    Technical Information

    Technical Specification

     

     

     

     

    Rated voltage

    kV

     

    12

     

    Rated frequency

    Hz

     

    50

     

     

     

     

     

     

     

    Rated insulation level

    1min power frequency withstand voltage (effective value) (interphase, relative ground, vacuum fracture)

    kV

     

    42

     

    Lightning impulse withstand voltage (peak) (interphase,relative ground, vacuum fracture)

    kV

     

    75

     

    Rated current

     

    A

     

    630

    630

    1250

    1250

    1250

    1600

    Rated short-circuit breaking current

     

    20

    25

    31.5

    Rated short-term withstand current (rated short-term thermal stable current)

     

    20

    25

    31.5

    Rated short circuit closing current

    kA

    50

    63

    80

    Rated peak tolerance current (rated dynamic stable current)

     

    50

    63

    80

    Disconnecting current of dissimilar grounding fault

     

    17.4

    21.75

    27.4

    Rated short circuit duration (rated thermal stability time)

    s

     

    4

     

    Rated operation sequence

     

    分-0.3s-合分-180s-合分分 Score - 0.3s - score - 180s - score

    Rated short-circuit breaking current breaking times

    Times

     

    30

     

    Rated cable charging breaking current

     

     

    25

     

    Rated single capacitor bank breaking current

    A

     

    630

     

    Rated back-to-back capacitor bank breaking current

     

     

    400

     

    Mechanical life

    Times

     

    10000

     

    Dynamic and static contacts allow wear cumulative thickness

    mm

     

    3



    Overall and installation dimensions



    亚洲国产综合精品2020