国产欧美精品一区二区,欧美日韩国产在线播放,91精品免费高清在线,国产在线精品香蕉麻豆,成人国产一区二区三区,无码中文字幕精品推荐,国产不卡一级毛片视频,91精品啪在线观看国产60岁
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

    • ZW8-12 Outdoor AC high voltage vacuum circuit breaker

    ZW8-12 Outdoor AC high voltage vacuum circuit breaker

    The vacuum interrupter is used, the air is insulated, and the electric spring operating mechanism is used to make the product have strong arc extinguishing ability, many short circuit breaking times, no fire and explosion hazard, convenient operation, and is a product with excellent performance and practicability. The overall structure of the product adopts three-phase common box type, the casing enters and exits the line, the inside of the box is dry air, and the electric spring operating mechanism is arranged on the side of the box body, which can be reliably used under harsh environmental conditions. The vacuum interrupter of this product adopts ceramic shell, cup-shaped longitudinal magnetic field contact structure and copper-chromium contact material, which has excellent breaking and closing short-circuit current capability. The product is small in size, light in weight and beautiful in appearance. The vacuum interrupter and the insulating support sleeve are compact in design, and the outlet conductive rod is externally coated with silicone rubber to adapt to harsh weather conditions and dirty environments.

    Technical Information

    Technical Specification

     

    Rated voltage

    12kV

    Rated current

    630A

    Power frequency withstand voltage

    42kV/48kV

    Lightning impulse withstand voltage (peak)

    75kV/85kV

    Rated short-circuit breaking current (effective value)

    20kA

    Rated short circuit closing current (peak)

    50kA

    Rated operation sequence

    分-0.3s-合分180s-合分 Score-0.3s-Score180s-Score

    Rated short circuit current breaking times

    ≥30 Times

    Mechanical life

    10000 Times

    Rated operating voltage (close/close coil)

    DC220V AC220V

    Dynamic and static contacts allow wear thickness

    3mm

    Isolation fracture break distance

    >200mm


    Overall and installation dimensions


    主站蜘蛛池模板: 色窝窝免费一区二区三区| 最近最新中文字幕在线第一页 | 中文字幕有乳无码| 国产福利在线免费| 久久永久视频| 亚洲综合片| 日韩成人午夜| 欧美精品啪啪一区二区三区| 亚洲成人在线网| 午夜国产大片免费观看| 欧美综合区自拍亚洲综合绿色| 中文字幕欧美日韩高清| 亚洲第一成人在线| 青草视频在线观看国产| 69免费在线视频| 国产主播福利在线观看| 国产中文在线亚洲精品官网| 国产三级精品三级在线观看| 国产不卡一级毛片视频| 国产精品白浆在线播放| 精品视频91| 婷婷六月综合| 国产一级小视频| 亚洲国产综合精品一区| 亚洲天堂久久| 久久精品aⅴ无码中文字幕| 亚洲天堂在线免费| aⅴ免费在线观看| 无码久看视频| 国产精品无码制服丝袜| 激情网址在线观看| 国产网友愉拍精品视频| 国产1区2区在线观看| 国产免费a级片| 色噜噜综合网| 午夜国产理论| 国产不卡网| 欧美日韩一区二区三区在线视频| 国产jizzjizz视频| 亚洲天堂久久新| 丁香五月婷婷激情基地| 2019年国产精品自拍不卡| 全色黄大色大片免费久久老太| 国产成人无码Av在线播放无广告| 成人在线第一页| 99久久无色码中文字幕| 亚洲AV一二三区无码AV蜜桃| 亚洲乱码视频| 永久成人无码激情视频免费| 亚洲福利网址| 五月婷婷亚洲综合| 亚洲中文无码h在线观看| 亚洲成肉网| 精品精品国产高清A毛片| 在线观看国产黄色| 亚洲最大看欧美片网站地址| 久久精品aⅴ无码中文字幕 | 青青操国产视频| 亚洲精品成人福利在线电影| 久久香蕉国产线| 国产一线在线| 国产一区免费在线观看| 尤物在线观看乱码| 欧美在线伊人| 亚洲天堂日韩在线| 欧美亚洲一区二区三区导航| 亚洲欧美不卡中文字幕| 亚洲国产高清精品线久久| 亚亚洲乱码一二三四区| 國產尤物AV尤物在線觀看| 天堂亚洲网| 午夜无码一区二区三区| 黄色网页在线播放| 国产一级一级毛片永久| 国产99视频在线| 亚洲欧洲天堂色AV| 制服丝袜 91视频| 国产精品毛片一区视频播| 国产男人的天堂| 欧美亚洲国产日韩电影在线| 91精选国产大片| 欧美成一级|