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qinchenglim
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樓主  發(fā)表于: 2017-12-06 10:33
圖片：
2個(gè)電流互感器1個(gè)熱繼如圖所示接線(xiàn)，互感器400/5，熱繼該選多大的才能正常保護電機？
電機132KW  AC380V 先謝謝各位大神
wangcheng18
承接各種非標電氣系統設計，安裝，編程，調試，歡迎新老朋友光臨
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1樓  發(fā)表于: 2017-12-06 19:54
選5A的熱繼電器就OK了
wangcheng18
承接各種非標電氣系統設計，安裝，編程，調試，歡迎新老朋友光臨
級別: 略有小成
精華主題: 0
發(fā)帖數量: 222 個(gè)
工控威望: 336 點(diǎn)
下載積分: 26429 分
在線(xiàn)時(shí)間: 136(小時(shí))
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2樓  發(fā)表于: 2017-12-06 20:58
5A熱繼電器就可以了！

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