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樓主  發(fā)表于: 2020-09-17 08:23
各位大腿早上好
下載設備上裝了一個(gè)額定輸入電流3.4A的開(kāi)關(guān)電源，客戶(hù)讓在開(kāi)關(guān)電源前面加一個(gè)保護措施（短路），如果選擇空開(kāi)或者保險絲，應該分別選擇多大的
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1樓  發(fā)表于: 2020-09-19 10:53
不要選太小，會(huì )誤動(dòng)作的

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