SGDV-02A11A-OY
SGDV-02A11A-OY
CIMR-M5A27P50-XXXC
①通電后不能合閘或不能完全合閘,原因是線圈電壓等級不對或電壓不足,運動部件卡位,觸頭超程過大及觸頭彈簧和釋放彈簧反力過大等;
②吸合過程過于緩慢,其原因在于動、靜鐵心氣隙過大,反作用過大,線圈電壓不足等;
③噪聲過大或發生振動,其原因是分磁環斷裂,線圈電壓不足,鐵心板面有污垢和銹斑等;
④線圈損壞或燒毀,原因在于線圈內部斷線或匝間短路、線圈在過壓或欠壓運行等;
⑤線圈斷電后鐵心不釋放,其原因有剩磁太大,反作用力太小,板面有粘性油脂,運動部件卡位等;
⑥觸頭溫升過高及發生熔焊,其原因是負載電流過大,超程太小,觸頭壓力過小及分斷能力不足,觸頭接觸面有金屬顆粒凸起或異物,閉合過程中振動過于激烈或發生多次振動等。
八:接觸器是重要的低壓電器元件,其壽命的長短是質量評價和主要指標之一,故采取一些措施提高壽命很重要。 吸力特性與反力特性的合理配合可以提高接觸器的壽命。
九:接觸器的動作電壓為85%~110%Un。 觸頭閉合和鐵心吸合時使觸頭產生的一次和二次跳動,可能導致觸頭熔焊及增大其電侵蝕。為了減小觸頭跳動時間,應適當減小觸頭的質量和運動速度,并適當增大觸頭初接觸力。為了減小和防止觸頭的第二次彈跳(此時因起動電流大,危害性更嚴重),除借吸力特性與反力特性的良好配合以減小碰撞能量外,還需給電磁系統加裝緩沖裝置以吸收銜鐵等的動能。十,后選用接觸器的時候,要注意接觸器的使用環境,不要在太潮濕的地方使用,容易使接觸器觸頭氧化。
Fu Zhou ZhuoKai Electric Co., Ltd.
福州卓凱電子科技有限公司
【誠信】 【質量保證】 【價格優惠】
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聯系人【王工】
電話【059162182535】【15506917382】
e-mail:【583745937@qq.com】
QQ:【583745937】
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