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    DZ12塑殼斷路器

    更新:2013/9/18 15:21:37      點擊:
    • 產(chǎn)品品牌   
    • 產(chǎn)品型號   DZ12
    • 產(chǎn)品描述

      DZ12塑殼斷路器,是上海人民電氣有限公司 http://www.hqbet5695.com 為您提供的關于DZ12塑殼斷路器型號,DZ12塑殼斷路器價格,有關DZ12塑殼斷路器的相關資料,上海人民電氣...

    產(chǎn)品介紹

    使用環(huán)境條件
      1.安裝地點的海拔高度不超過2000m;
      2.周圍空氣溫度:-5℃- +40'C,24小時周期內(nèi)平均溫度不超過+35℃;
      3.大氣相對濕度在周圍空氣溫度為+40℃時不超過50%,最濕月平均最大相對濕度為90%,同時該月平均溫度不超過+20'C:
      4.安裝類別為:Ⅲ;
      ■安裝位置與垂直的傾斜度不超過5。;
      ■安裝在元顯著搖動或捉?jīng)_擊振動的地方;
      5.污染等級:2級。
    三、結(jié)構(gòu)及工作原理
        1.斷路器由手柄、操作結(jié)構(gòu)、脫扣裝置、滅弧裝置及觸頭系統(tǒng)等組成,均安裝在塑料外殼內(nèi)組成一體。
        2.脫扣裝置系由雙金屬元件及焊在其上的磁扼構(gòu)成,出廠時調(diào)整螺釘已調(diào)好,并封牢,不用擔心意外變化而影響脫扣
           特性。
        3.二極、三極斷路器內(nèi)部裝有聯(lián)動的脫扣裝置,保證二極和三極電路接通與斷開的一致性,不會造成單相斷路事故。

    1.過電流脫扣特性見下表:

    序號

    脫扣器額定電流In

    起始狀態(tài)

    試驗電流

    規(guī)定時間

    預期結(jié)果

    a

    所有值

    冷態(tài)

    1.05In

    t≥1h

    不脫扣

    b

    所有值

    緊接著序號1
    項試驗后進行

    1..3n

    t<1h

    脫扣

    c

    所有值

    冷態(tài)

    8In

    t≥0.1s

    不脫扣

    d

    所有值

    冷態(tài)

    12In

    t<0.1s

    脫扣

    額定工作電壓

    [V]230,400

    極數(shù)

    1P;2P;3P

    額定電流

    [A]6,10,16,20,32,40,50,63

    分斷能力

    [A]3000

    保護特性
    整定溫度

    []30

    安裝類別

     

     

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