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當前位置: 首頁 » 供應產品 » 電子 » 繼電器 »3RH2122-4KB40西門子接觸器

3RH2122-4KB40西門子接觸器

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產品價格: 55/人民幣 
最后更新: 2018-06-14 11:04:49
產品產地: 德國
發貨地: 廈門 (發貨期:當天內發貨)
供應數量: 不限
有效期: 長期有效
最少起訂: 1
瀏覽次數: 62
詢價  試用會員產品
  • 公司基本資料信息
    • 廈門彬碩自動化科技有限公司
    • 歐陽先生先生 經理
    • 會員[試用會員產品]
    • 郵件403416001@qq.com
    • 手機18050007615
    • 電話
    • 傳真
    • 地址福建廈門市湖里區嘉禾路545號302室
    • 進入商鋪
     
    產品詳細說明

    主接點一般是常開接點,而輔助接點常有兩對常開接點和常閉接點,小型的接觸器也經常作為中間繼電器配合主電路使用。

    交流接觸器的接點,由銀鎢合金制成,具有良好的導電性和耐高溫燒蝕性。

    交流接觸器動作的動力源于交流通過帶鐵芯線圈產生的磁場,電磁鐵芯由兩個「山」字形的幼硅鋼片疊成,其中一個固定鐵芯,套有線圈,工作電壓可多種選擇。為了使磁力穩定,鐵芯的吸合面加上短路環。總代理商3RB21334QW1交流接觸器在失電后,依靠彈簧復位。

    另一半是活動鐵芯,構造和固定鐵芯一樣,用以帶動主接點和輔助接點的閉合斷開。

    20安培以上的接觸器加有滅弧罩,利用電路斷開時產生的電磁力,快速拉斷電弧,保護接點。

    接觸器具可高頻率操作,做為電源開啟與切斷控制時﹐最高操作頻率可達每小時1200次。

    接觸器的使用壽命很高,機械壽命通常為數百萬次至一千萬次,電壽命一般則為數十萬次至數百萬次。

    技術發展

    交流接觸器制作為一個整體,外形和性能也在不斷提高,但是功能始終不變。



    廈門彬碩自動化科技有限公司
    --------------------------
    聯系人:歐陽先生
    固話:0592-5588182
    手機:18050007615
    傳真:0592-5588120
    QQ: ? ?403416001
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