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  • LW5萬能轉換開關

    更新:2013/9/11 16:15:46      點擊:
    • 產品品牌   
    • 產品型號   LW5
    • 產品描述

      LW5萬能轉換開關,是上海人民電氣有限公司 http://www.shamandq.com 為您提供的關于LW5萬能轉換開關型號,LW5萬能轉換開關價格,有關LW5萬能轉換開關的相關資料,上海人民電氣...

    產品介紹

    控制5.5KW三相鼠籠型異步電動機用轉換開關

    1海抜高度不超過2000m.

    2周圍空氣溫度不高于+40℃及不低于-5℃,且24h平均值不超過+35℃.

    3空氣相對濕度+40℃時不大于50%,較低溫度(十20℃)可達90%。對溫度變化偶 爾產生的凝露應采取特殊的措施。

    4在無爆炸危險的介質中,且介質中無足以腐蝕金屬和破壞絕緣的氣體和塵埃。

    5開關應安裝在無顯著搖動和沖擊振動且沒有雨雪侵襲的地方。

    6開關污染等級為3級。

    7開關安裝類別為Ⅲ類。

    8開關外殼防護等級為IP40。

    分類

    1.開關按節數分有1~16節,共16種。

    2開關按操作方式分有:

    a)按操作方式分定位型和自復型;

    b)按手柄分球型和旋鈕式;

    c)開關按定位特征可分為15種:(見表1)

    基本參數

    1、額定絕緣電壓:500V、約定發熱電流:16A。

    2、允許正常操作頻率:120次/H。

    3開關機械壽命100×104次,電壽命20×104次。

    4、開關的接通和分斷能力見表3,控制電動機用開關的接通和分斷能力見表4。

     

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