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anddylihua
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樓主  發(fā)表于: 2010-01-21 21:52
公司的吊車(chē)老是燒接觸器觸點(diǎn)，我想用固態(tài)繼電器替換接觸器，請問(wèn)，可以用故態(tài)繼電器控制這種頻繁啟動(dòng)，頻繁正反轉和瞬停的感性負載嗎？如果可以，還需要加什么保護裝置？
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hta
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1樓  發(fā)表于: 2010-02-09 16:09
如果是頻繁啟動(dòng)，那你得考慮它的啟動(dòng)電流，只要適當放大接觸器的規格一般在3-4倍的額定電流就行。
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