导线线径与电流规格.pdf
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1、导线线径与电流规格导线线径与电流规格导线的阻抗与其长度成正比与线径成反比,请在使用电源时,需特别注意输入与输出导线的线径问题,以防止因电流太大引起过热,而造成意外,下列表格为导线在不同温度下的线径与电流规格表。线径(大约值)铜线温度60oC75oC85oC60oC电流(A)2.5mm2202025254mm2252530306mm2303540408mm24050555514mm25565707522mm27085959530mm28510011011038mm29511512513050mm211013014515060mm212515016517070mm214517519019580mm
2、2165200215225100mm2195230250260AWGAWGAWGAWG 標準線徑規格對照表標準線徑規格對照表AWGAWGAWGAWG NumberNumberNumberNumberO O O O InchInchInchInchO O O O mmmmmmmmO O O O mm2mm2mm2mm2ResistanceResistanceResistanceResistance Ohm/mOhm/mOhm/mOhm/m4/0=00000.46011.71070.0001613/0=0000.41010.485.00.0002032/0=000.3659.2667.40.000
3、2561/0=00.3258.2553.50.00032310.2897.3542.40.00040720.2586.5433.60.00051330.2295.8326.70.00064740.2045.1921.10.00081550.1824.6216.80.0010360.1624.1113.30.0013070.1443.6610.50.0016380.1283.268.360.0020690.1142.916.630.00260AWGAWGAWGAWG NumberNumberNumberNumberO O O O InchInchInchInchO O O O mmmmmmmmO
4、 O O O mm2mm2mm2mm2ResistanceResistanceResistanceResistance Ohm/mOhm/mOhm/mOhm/m100.1022.595.260.00328110.09072.304.170.00413120.08082.053.310.00521130.07201.832.620.00657140.06411.632.080.00829150.05711.451.650.0104160.05081.291.310.0132170.04531.151.040.0166180.04031.020.8230.0210190.03590.9120.65
5、30.0264AWGAWGAWGAWG NumberNumberNumberNumberO O O O InchInchInchInchO O O O mmmmmmmmO O O O mm2mm2mm2mm2ResistanceResistanceResistanceResistance Ohm/mOhm/mOhm/mOhm/m200.03200.8120.5180.0333210.02850.7230.4100.0420220.02530.6440.3260.0530230.02260.5730.2580.0668240.02010.5110.2050.0842250.01790.4550.
6、1620.106260.01590.4050.1290.134270.01420.3610.1020.169280.01260.3210.08100.213290.01130.2860.06420.268AWGAWGAWGAWG NumberNumberNumberNumberO O O O InchInchInchInchO O O O mmmmmmmmO O O O mm2mm2mm2mm2ResistanceResistanceResistanceResistance Ohm/mOhm/mOhm/mOhm/m300.01000.2550.05090.339310.008930.2270.
7、04040.427320.007950.2020.03200.538330.007080.1800.02540.679340.006310.1600.02010.856350.005620.1430.01601.08360.005000.1270.01271.36370.004450.1130.01001.72380.003970.1010.007972.16390.003530.08970.006322.73400.003140.07990.005013.44業界線徑的粗細是以號數(xxAWG)來表示的,數目越小表示線徑愈粗,所能承載的電流就越大,反之則線徑越細,耐電流量越小。例如說:12
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