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

    • FN18 High Voltage Indoor Load Break Switch

    FN18 High Voltage Indoor Load Break Switch

    FN18 is a general purpose, three-pole, load break switch that offers switchgear owners and assemblers the advantages of an advanced interrupting technology and proven, dependable performance in a compact design. The switch is available to switchgear assemblers as a building block for metal-enclosed and pad-mounted switchgear applications in ratings from 12 upto 24kV. The standard FN18 switch includes a heavy-duty steel frame with stand-off insulators, a unique puffer-type arc extinguishing system, an operating mechanism and current-carrying components, including blade-type interrupters with cast hinges and jaw connectors. Optional accessories and features include a variety of operating handles, a motor operator, auxiliary switches, a shunt trip device, fuse bases, mechanical fuse tripping, grounding switches, mechanical door interlocking and key interlocking.

    Technical Information

    Technical Specification

     

     

     

    Rated voltage

    kV

    12

    24

    Rated current

    A

    630

    630

    Rated power frequency

    Hz

    50/60

    50/60

    Short circuit making capacity

    kA Peak.

    50

    50

    Peak withstand current

    kA Peak.

    50

    50

    Short time current

    kA eff.

     

     

    1Sec.

     

    31.5

    25

    2Sec.

     

    25

    25

    3Sec.

     

    20

    16

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

    A

    1600

    900

    Max. fuse current(XRNT Fuse)

    A

    200

    200

    Power frequency withstand voltage 50Hz 1 min,:

     

     

     

    - To earth and between poles

    kV

    42

    65

    - Across isolating distance

    kV

    48

    79

    Impulse withstand voltage 1.2/50μ s:

     

     

     

    - To earth and between poles

    kV

    75

    125

    - Across isolating distance

    kV

    85

    145

    Mechanism Endurance

    cycles

    2000

    2000


    Overall and installation dimensions


    亚洲国产综合精品2020