點擊圖片查看大圖30Q6P42
30Q6P42
PC198A
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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我公司大量現貨歐姆龍，倍加福，橫河川儀，abb,施耐德等國外多家品牌，產品涉及變頻器，儀器儀表，變送器，可編程控制器plc和人機界面，工控機及氣動閥門等。
聯系人【王工】
電話【059162182535】【15506917382】
e-mail：【583745937@qq.com】
QQ：【583745937】
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