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

    • ZW7-40.5 outdoor high voltage vacuum circuit breaker

    ZW7-40.5 outdoor high voltage vacuum circuit breaker

    ZW7-40.5 outdoor high voltage vacuum circuit breaker is used for AC three-phase power system with 50Hz and voltage of 40.5kV, which is used for breaking, closing load current, overload current and short circuit current.

    Technical Information

    Technical Specification

     

     

     

    Rated voltage

     

     

     

    40.5

    Rated insulation

     

     

    Power frequency withstand voltage

     

    Dry

    kV

    95

     

    Wet

     

    80

    level

     

     

    Lightning impulse withstand voltage (peak)

     

    185

    Rated current

     

     

    A

    1250、1600、2000

    Rated short-circuit breaking current

     

    kA

    20、25、31.5

    Rated operation sequence

     

     

    Points -0.3s combined -180s combined

    Rated short circuit current breaking times

    Times

    ≥30

    Rated short circuit closing current (peak)

    kA

    50、63、80

    Rated peak withstand current

     

     

     

    Rated short-time withstand current

     

    kA

    20、25、31.5

    Rated short circuit continuous current

     

    S

    4

    Average opening speed

     

    m/s

    1.5±0.2

    Average closing speed

     

     

    0.7±0.2

    Contact closing bounce time

     

     

    ≤2

    Three-phase combined (minute) gate synchronous time difference

    S

    ≤2

    Closing time

     

     

     

    ≤150

    Opening time

     

     

     

    ≤60

    Mechanical life

     

     

    Times

    10000

     

    Rated operating voltage and auxiliary circuit rated voltage

     

     

    V

     

    DC220、110、24

    AC220、110、24

    DC resistance per phase circuit (without transformer)

    μΩ

    ≤100

    Dynamic and static contacts allow wear thickness

    mm

    3

    Weight

     

     

    kg

    800


    Overall and installation dimensions


    亚洲国产综合精品2020