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CJ20交流接觸器

更新:2013/9/7 14:47:42      點擊:
  • 產品品牌   
  • 產品型號   CJ20
  • 產品描述

    CJ20交流接觸器,是上海人民電氣有限公司 http://www.shamandq.com 為您提供的關于CJ20交流接觸器型號,CJ20交流接觸器價格,有關CJ20交流接觸器的相關資料,上海人民電氣...

產品介紹

適用范圍

CJ20系列交流接觸器(以下簡稱接觸器),主要用于交流50Hz,額定電壓至660V(個別等級至1140V),電流至630A的電力線路中,做頻繁地接通和分斷電路及控制交流電動機用, 并適宜于與熱繼電器或電子式保護裝置組成電磁起動器。

CJ20系列交流接觸器為雙斷點直動式結構,25A及以下規格采用兩層布置,下層為主觸頭,上層為輔助觸頭,40A及以上規格的輔助觸頭組裝于主觸頭兩側;25A以下規格利用導電體的電動力滅弧,25A以上規格采用多縱縫滅弧罩或柵片滅弧罩滅弧。

周圍空氣溫度上限為+40℃,下限為-5℃;并且24h內其平均值不超過+35℃;安裝地點的海拔不超過2000m;安裝地點的空氣相對濕度,在最高周圍空氣溫度為+40℃時不超過50% ;在較低的溫度下可允許有較高的相對濕度,最濕月的平均最大相對濕度不超過90%同時該月的平均最低溫度不超過+25℃,由于溫度變化發生在產品上的凝露情況必須采取相應措施;安裝類別為Ⅲ類;污染等級:3級;安裝面與垂直面的傾斜度不超過±5°,且應無沖擊和長時間振動。

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