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    CJ20交流接觸器

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    • 產(chǎn)品型號(hào)   CJ20
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      CJ20交流接觸器,是上海人民電氣有限公司 http://m.hqbet5695.com 為您提供的關(guān)于CJ20交流接觸器型號(hào),CJ20交流接觸器價(jià)格,有關(guān)CJ20交流接觸器的相關(guān)資料,上海人民電氣...

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    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(gè)別等級(jí)至1140V),電流至630A的電力線路中,做頻繁地接通和分?jǐn)嚯娐芳翱刂平涣麟妱?dòng)機(jī)用, 并適宜于與熱繼電器或電子式保護(hù)裝置組成電磁起動(dòng)器。

    CJ20系列交流接觸器為雙斷點(diǎn)直動(dòng)式結(jié)構(gòu),25A及以下規(guī)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(guī)格的輔助觸頭組裝于主觸頭兩側(cè);25A以下規(guī)格利用導(dǎo)電體的電動(dòng)力滅弧,25A以上規(guī)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(nèi)其平均值不超過+35℃;安裝地點(diǎn)的海拔不超過2000m;安裝地點(diǎn)的空氣相對(duì)濕度,在最高周圍空氣溫度為+40℃時(shí)不超過50% ;在較低的溫度下可允許有較高的相對(duì)濕度,最濕月的平均最大相對(duì)濕度不超過90%同時(shí)該月的平均最低溫度不超過+25℃,由于溫度變化發(fā)生在產(chǎn)品上的凝露情況必須采取相應(yīng)措施;安裝類別為Ⅲ類;污染等級(jí):3級(jí);安裝面與垂直面的傾斜度不超過±5°,且應(yīng)無沖擊和長時(shí)間振動(dòng)。

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