欧美a级在线看免费,欧美成色免费在线,亚洲VAV在线视频,亚洲中文字幕www网站

<style id="jiyot"></style>

  • <sub id="jiyot"></sub>

    <sub id="jiyot"><ol id="jiyot"><em id="jiyot"></em></ol></sub>

    避雷器

    Surge arrester

    避雷器

    Surge arrester

    500kV系列瓷外套金屬氧化物避雷器
    型 號工 廠避雷器系統(tǒng)避雷器持續(xù)直流1mA操作沖擊標稱沖擊陡波沖擊2ms方波標稱

    額定電壓標稱電壓運行電壓參考電壓電壓殘壓電壓殘壓電流殘壓通流容量爬電距離重量備注
    kVkVkVkVkVkVkVAmmkg
    代 號(有效值)(有效值)(有效值)不小于不大于不大于不大于20次






    (峰值)(峰值)(峰值)(峰值)


    Y20W1-420/1006W62802420500318565825100611061500153001213海拔2000m以下
    Y20W1-444/1063W62884444500324597871106311601500153001213海拔2000m以下
    Y20W1-468/1166W62884*468500330630918112012551500153001213海拔2000m以下
    Y20W1-420/1006W62802*420500318565825100611062000153001229海拔2000m以下
    Y20W1-444/1063W62884*444500324597871106311602000153001229海拔2000m以下
    Y20W1-468/1120W62884*468500330630918112012552000153001229海拔2000m以下
    Y20W1-420/1006W62887420500318565825100611062500180001722
    Y20W1-444/1063W62886444500324597871106311602500180001722
    Y20W1-468/1166W62886*468500330630918112012552500180001722
    Y20W1-420/1006W62888420500318565825100611061500189001485高海拔或IV級污穢用
    Y20W1-444/1063W62889444500324597871106311601500189001485高海拔或IV級污穢用
    Y20W1-468/1166W62889*468500330630918112012551500189001485高海拔或IV級污穢用
    Y20W1-420/1006W62888*420500318565825100611062000189001485高海拔或IV級污穢用
    Y20W1-444/1063W62889*468500330630918112012552000189001485高海拔或IV級污穢用
    Y20W1-468/1166W62889*468500330630918112012552000189001485高海拔或IV級污穢用


    返回
    頂部