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

    • FN7-12(24)Series Indoor Load Break Switch

    FN7-12(24)Series Indoor Load Break Switch

    FN7-12(24) is used for three-phase AC 50/60Hz 12kV, 24kV power systems. They used for breaking load current and controlling short-circuit current. FN7-12R type M.V load switch-fuse combination is based on the FN7-12 series M.V load switch, then put the operating mechanism on the side, as customer order

    Technical Information

    Technical Specification

     

     

     

     

     

    Rated voltage

    kV

     

    12

    24

    Rated current

    A

    400

     

    630

    630

    Rated power frequency

    Hz

    50/60

     

    50/60

    50/60

    Short circuit making capacity

    kA Peak.

    31.5

     

    50

    50

    Peak withstand current

    kA Peak.

    31.5

     

    50

    50

    Short time current

    kA eff.

     

     

     

     

    1Sec.

     

    25

     

    25

    25

    3Sec.

     

    12.5

     

    20

    20

    Max. breaking capacity in co-operation with fuses IEC 62271-105 (IEC 420 1990-11)

    A

    1600

     

    1600

    900

    Max. fuse current(XRNT Fuse)

    A

    200

     

    200

    200

    Power frequency withstand voltage 50Hz 1 min,:

     

     

     

     

     

    - To earth and between poles

    kV

    42

     

    42

    55

    - Across isolating distance

    kV

    48

     

    48

    70

    Impulse withstand voltage 1.2/50μ s:

     

     

     

     

     

    - To earth and between poles

    kV

    75

     

    75

    125

    - Across isolating distance

    kV

    85

     

    85

    145

    Mechanism Endurance

    cycles

    2000

     

    2000

    2000


    Overall and installation dimensions


    亚洲国产综合精品2020