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CJ20交流接觸器人民電氣概述

2020/10/22 11:18:47      點擊:

CJ20交流接觸器(以下簡稱接觸器),主要用於交流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製交流電動機用, 並適宜於與熱繼電器或電子式保護裝置組成電磁起動器。

CJ20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於主觸頭兩側;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。

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