导线线径与电流规格
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
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
60o C75o C85o C60o C
电流（A）
2.5mm220202525
4mm225253030 6mm230354040 8mm240505555 14mm255657075 22mm270859595 30mm285100110110 38mm295115125130 50mm2110130145150 60mm2125150165170 70mm2145175190195 80mm2165200215225 100mm2195230250260
80.128 3.268.360.00206
90.114 2.91 6.630.00260 AWG Number O[Inch]O[mm]O[mm2]Resistance[Ohm/m] 100.102 2.59 5.260.00328
110.0907 2.30 4.170.00413
120.0808 2.05 3.310.00521
130.0720 1.83 2.620.00657
140.0641 1.63 2.080.00829
150.0571 1.45 1.650.0104
160.0508 1.29 1.310.0132
170.0453 1.15 1.040.0166
180.0403 1.020.8230.0210
190.03590.9120.6530.0264
AWG Number O[Inch]O[mm]O[mm2]Resistance[Ohm/m] 200.03200.8120.5180.0333
210.02850.7230.4100.0420
220.02530.6440.3260.0530
230.02260.5730.2580.0668
240.02010.5110.2050.0842
250.01790.4550.1620.106
260.01590.4050.1290.134
270.01420.3610.1020.169
280.01260.3210.08100.213
290.01130.2860.06420.268
AWG Number O[Inch]O[mm]O[mm2]Resistance[Ohm/m] 300.01000.2550.05090.339
310.008930.2270.04040.427
320.007950.2020.03200.538
330.007080.1800.02540.679
340.006310.1600.02010.856
350.005620.1430.0160 1.08
360.005000.1270.0127 1.36
370.004450.1130.0100 1.72
380.003970.1010.00797 2.16
Cross
Section
area
m㎡AWG Tskdenko
specification
Construction
No./㎜φ
Acture
m㎡
Fine-wire
Conductors
VDE0295
BS6360
Class5
Column3
Extra-fine wire strands VDE0295
Class6
Column
4Column5Column6Column7
0.043020x0.050.047 0.08287x0.1270.088
0.10
7x0.14
20x0.080.106 0.101
0.14267x0.160.1418x0.1018x0.1036x0.0772x0.05 0.187x0.180.178
0.2024
7x0.20
40x0.080.22 0.20
0.2514x0.1532x0.1032x0.1065x0.07128x0.05
0.30
12x0.18
60x0.080.305 0.301
0.342217x0.160.34219x0.1542x0.1042x0.1088x0.07174x0.05 0.3812x0.2021x0.1548x0.10100x0.07194x0.05
0.520
20x0.18
100x0.080.509
0.502
16x0.2028x0.1564x0.10131x0.07256x0.05
0.7
30x0.18
150x0.080.763
0.754
24x0.2042x0.1596x0.10195x0.07384x0.05
0.818
34x0.18
42x0.160.865 0.844
1.032x0.2056x0.15128x0.10260x0.07512x0.05 1.251650x0.18 1.27
1.530x0.2584x0.15192x0.10392x0.07768x0.05
2.01437x0.26 1.96
2.550x0.25140x0.15320x0.10651x0.071280x0.05