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          上海人民電器廠銷售CJ40接觸器

          2021/1/15 15:13:34      點擊:

          CJ40交流接觸器主要用于交流50Hz或60Hz,CJ40交流接觸器額定電壓至660V或1140V,電流至1000A的電力系統中接通和分斷電路,CJ40接觸器并與適當的熱過載繼電器組成交流電動機起動器,CJ40交流接觸器以保護運行中可能發生過載的電路。

           1.1  CJ40交流接觸器適用于交流50Hz、額定電壓至660V、電流至1 000A的電力系統中接通與分斷電路,并與適當的熱繼電器或電子式保護裝置組合成電動機起動器,以保護可能發生過載的電路。         

          接觸器按GB14048.4及JB8591.3設計、制造與檢驗。

          1.2  CJ40交流接觸器正常工作條件和安裝條件 

          1.2.1  CJ40交流接觸器周圍空氣溫度:上限為+40℃,24h內其平均值不超過+35℃;下限為-5℃。 

          1.2.2  CJ40交流接觸器海拔:安裝地點的海拔高度不超過2 000m。 

          1.2.3  CJ40交流接觸器大氣條件:安裝地點的空氣相對濕度在最高溫度為+40℃時不超過50%;在較低溫度下允許有較高的相對濕度;在最濕月平均最低溫度不超過+25℃時該月的月平均最大相對濕度不超過90%,并應考慮因溫度變化發生在產品表面的凝露。

          1.2.4  CJ40接觸器污染等級:污染等級為3級。 

          1.2.5   CJ40接觸器安裝類別(過電壓類別):安裝類別為Ⅲ。 

          1.2.6   CJ40接觸器安裝條件:安裝面與垂直的傾斜度不大于5°

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