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        DZ12塑殼斷路器

        更新:2013/9/18 15:21:37      點(diǎn)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.mauscontracting.com 為您提供的關(guān)于DZ12塑殼斷路器型號,DZ12塑殼斷路器價(jià)格,有關(guān)DZ12塑殼斷路器的相關(guān)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(diǎn)的海拔高度不超過2000m;
          2.周圍空氣溫度:-5℃- +40'C,24小時(shí)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(shí)不超過50%,最濕月平均最大相對濕度為90%,同時(shí)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.?dāng)嗦菲饔墒直、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(shí)調(diào)整螺釘已調(diào)好,并封牢,不用擔(dān)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(yàn)電流

        規(guī)定時(shí)間

        預(yù)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(xiàng)試驗(yàn)后進(jìn)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?jǐn)嗄芰?/span>

        [A]3000

        保護(hù)特性
        整定溫度

        []30

        安裝類別

         

         

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