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導線線徑問題:不同溫度導線線徑與電流對照表

發布日期:2022-04-28 點擊率:71

有關導線線徑的問題:不同溫度導線線徑與電流對照表,使用電源時注意輸入與輸出導線的線徑問題,以防止因電流太大引起過熱,而造成意外,下列表格為導線在不同溫度線徑與電流對照表。

不同溫度導線線徑與電流對照表

使用電源時要特別注意輸入與輸出導線的線徑問題,以防止因電流太大引起過熱,而造成意外。

下列表格為導線在不同溫度線徑與電流對照表:


線徑
(大約值)
銅線溫度
60oC75oC85oC60oC
電流(A)
 2.5mm220202525
 4mm225253030
6mm2 30354040
8mm240505555
14mm2 55657075
22mm2 70859595
30mm2 85100110110
38mm2 95115125130
50mm2 110130145150
60mm2 125150165170
70mm2 145175190195
80mm2 165200215225
100mm2 195230250260


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