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      DZ12塑殼斷路器

      更新:2013/9/18 15:21:37      點擊:
      • 產品品牌   
      • 產品型號   DZ12
      • 產品描述

        DZ12塑殼斷路器,是上海人民電氣有限公司 http://www.jojupm.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...

      產品介紹

      使用環境條件
        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沖擊振動的地方;
        5.污染等級:2級。
      三、結構及工作原理
          1.斷路器由手柄、操作結構、脫扣裝置、滅弧裝置及觸頭系統等組成,均安裝在塑料外殼內組成一體。
          2.脫扣裝置系由雙金屬元件及焊在其上的磁扼構成,出廠時調整螺釘已調好,并封牢,不用擔心意外變化而影響脫扣
             特性。
          3.二極、三極斷路器內部裝有聯動的脫扣裝置,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

      試驗電流

      規定時間

      預期結果

      a

      所有值

      冷態

      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

      8In

      t≥0.1s

      不脫扣

      d

      所有值

      冷態

      12In

      t<0.1s

      脫扣

      額定工作電壓

      [V]230,400

      極數

      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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