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liyanjunx
級別: 略有小成
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樓主  發(fā)表于: 2015-08-25 23:03
注塑機在正常生產(chǎn)時(shí)，1年之中發(fā)生2次接觸器著(zhù)火，每次都用火器滅火，損失都上千元，接觸器都是品牌，型號1810都在額定電壓和電流下工作，并且都是從接觸器內部先引燃，接觸器線(xiàn)圈電壓是AC220V,線(xiàn)圈二端并接一個(gè)QS21150(火花消除器)，就是控制發(fā)熱圈溫度，平時(shí)巡查測接觸器溫度不高，今天就著(zhù)火，希望大家一起來(lái)分析原因，多謝。
謝育珊
級別: 探索解密
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1樓  發(fā)表于: 2015-08-26 12:14
固態(tài)也有缺陷，如果擊穿會(huì )不受控制。

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