部品実験:電線 元に戻る

事前知識 2024/6/30

本文目次

本文以外目次
1.AWGとKVI sq(JIS)の許容電流
2.エナメル線の電流と温度



本   文

1.AWGとKVI sq(JIS)の許容電流

AWG(単線) KIV
No 外径mm 断面積 抵抗100m 許容電流 sq 許容電流
30 0.2540 0.0507 33.850 0.86 0.05 0.1
28 0.3200 0.0804 21.287 1.4 0.08 0.2
26 0.4039 0.128 13.385 2.2 0.12 3
24 0.5105 0.205 8.419 3.5 0.20 5
22 0.6426 0.324 5.293 7.0 0.30 7
20 0.8128 0.519 3.329 11 0.50 11
18 1.024 0.823 2.094 16 0.75 14
16 1.290 1.31 1.317 22 1.25 19
14 1.628 2.08 0.828 32 2.0 27
12 2.052 3.31 0.520 41 3.5 37
10 2.588 5.26 0.327 55 5.5 49
8 3.264 8.37 0.206 73 8.0 61
6 4.115 13.30 0.129 101 14 88
4 5.190 21.15 0.081 135 22 115
2 6.543 33.63 0.051 181 38 162
1 7.348 42.41 0.041 211 38 162
1/0 8.251 53.49 0.032   60 219
2/0 9.251 67.42 0.026   60 219
3/0 10.40 85.30 0.020   80 269
4/0 11.68 107.2 0.016   100 298
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2.エナメル線の電流と温度
線径導体抵抗空気中水平直線状態において所用の温度(℃)に保持するに必要な電流値(A)
mmΩ/m50100150200300400500600700800900100011001200
150.00611259.31081481882643454355346467679001,0401,1941,353
140.00701853.597.71341702393123934835846938139401,0781,223
130.0081374884.21201522142803524335236217288429671,096
120.00954842.577.7107135190248312384464551646747857972
110.0113737.468.293.8119165218274237408484576656753854
100.0137532.559.381.5103145189238293354421493570654742
9.00.0169727.350.769.688.1124162203250303359421487559634
8.50.019032647.565.482.4116150189231279330388448513581
8.00.0214823.743.459.775.2105137172203255304354409468531
7.50.0243921.639.554.368.496125157192232275322372426483
7.00.0280619.535.649.161.886.7113141174210248291336385436
6.50.0325617.531.943.955.377.6101127155188222261301344391
6.00.038215.528.839.849.97090.8113139167198232267305346
5.50.0454513.925.43543.961.679.999.9122147174204235269304
5.00.05498122230.438.253.569.386.6106128151177204233264
4.50.0679210.318.926.132.745.959.574.491110130152175200227
4.00.085928.9616.522.828.539.751.163.577.592.5109128147168190
3.50.11237.3813.618.823.532.742.152.363.876.390.2105121138156
3.20.13426.4611.916.420.628.636.945.855.866.978.992.1106121137
2.90.16355.6110.314.317.824.83239.748.558.168.58092105119
2.60.20345.029.1812.615.82127.934.541.95058.968.378.589.4100
2.30.25994.27.6710.613.218.223.328.83541.849.257.165.674.184.3
2.00.34383.436.278.6310.814.919.123.628.734.140.246.753.661.168.9
1.80.42343.135.677.799.6813.31720.825.129.834.840.346.152.358.9
1.60.5372.654.86.598.1811.314.317.621.225.329.434.13944.349.8
1.50.61122.414.3767.4510.313.11619.322.926.83135.540.345.7
1.40.70182.193.965.446.769.311.814.517.520.824.328.132.236.541.2
1.30.81392.063.775.136.388.691113.416.1192225.42932.836.8
1.20.95481.833.354.565.677.749.811.914.316.919.622.625.829.232.8
1.11.1371.682.964.045.016.848.6610.612.614.917.32022.825.829
1.01.3751.422.63.544.467.69.2911.113.115.217.62022.625.4
0.901.3971.212.213.083.745.16.457.879.4211.112.914.91719.221.6
0.851.9031.192.192.973.694.996.127.69.0310.612.21415.917.920
0.802.1481.12.012.733.394.585.626.988.299.7111.312.914.616.518.4
0.752.3490.9921.812.453.044.115.046.267.448.7210.111.613.114.816.3
0.702.8060.9071.672.262.813.84.665.786.878.059.3210.712.113.715.2
0.653.2560.8171.52.042.533.424.195.216.197.268.399.6110.912.313.7
0.603.820.771.421.932.393.213.994.825.686.67.618.649.751112.2
0.554.5450.6831.261.712.122.853.544.275.045.866.757.678.659.7310.8
0.505.4980.5991.111.51.862.53.13.754.425.145.936.737.598.549.48
0.456.7920.520.9621.31.622.172.693.253.844.475.145.846.597.418.23
0.408.5920.4720.8711.181.461.952.422.893.383.94.455.025.626.266.98
0.3511.230.3950.730.9941.221.632.032.422.833.273.754.24.715.245.85
0.3213.430.3510.6490.8841.091.451.812.152.522.913.323.744.194.665.2
0.2916.350.3090.570.7760.9571.281.581.892.212.562.913.283.684.14.57
0.2620.340.2870.5260.7140.8771.171.441.71.982.272.562.373.193.533.89
0.2325.990.2460.450.6110.7510.9991.231.461.691.942.192.462.723.023.33
0.2034.380.2040.3730.5060.6210.8271.022.211.41.611.822.032.262.52.75
0.1842.430.1830.3370.4570.5610.7440.9311.081.241.421.61.781.972.172.38
0.1653.70.1550.2860.3870.4760.6310.790.9141.061.21.351.511.671.842.03
0.1561.120.1440.2650.3590.4420.5860.7330.8480.9781.121.261.41.551.711.87
0.1470.180.1310.2410.3270.4020.5330.6670.7710.891.021.141.271.441.551.7
0.1381.370.1230.2260.3070.3770.4990.6090.7160.7240.9341.051.151.281.41.53
0.1295.480.110.1950.2760.3390.4480.5470.6440.740.8390.941.041.151.261.38
0.11113.70.09790.1810.2450.3010.3970.4850.5710.6560.7440.8240.9251.021.121.22
0.10137.50.0850.1560.2120.2610.3450.4210.4960.570.6470.7250.8040.8860.971.06
0.09169.70.07520.1390.1880.2310.3060.3730.4390.5050.5720.6410.7710.7840.8590.937
0.08214.80.06560.1210.1650.2030.2660.3210.380.4380.4940.5520.6090.670.7310.795
0.07280.60.05480.1010.1380.170.2230.2710.3190.3660.4130.4610.5090.560.6110.664
0.063820.04610.08480.1150.140.1860.2260.2620.3020.3960.3780.4170.4560.4950.537
0.05549.80.03590.06620.08970.1090.1450.1760.2050.2360.2630.2950.3250.3560.3870.419
0.04859.20.02680.04970.06710.0820.1080.1320.1530.1760.1970.2190.2420.2630.2850.308
0.031,5280.01820.03360.04540.05550.07330.08920.1040.1190.1340.1480.1630.1780.1930.209
0.0252,2000.01460.02690.03630.04440.05850.0710.08260.09430.1060.1170.1290.140.1510.16
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