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會員注冊銅鋁線徑的簡易換算法:d銅=0.79d鋁
| 銅裸線直徑 | 允差 | 銅芯截面積 | 近似線號 | 最大載流量 |
| mm2 | mm2 | A | ||
| 0.02 | 0.002 | 0.000314 | ||
| 0.025 | 0.002 | 0.000491 | ||
| 0.03 | 0.003 | 0.000706 | 0.00212 | |
| 0.04 | 0.003 | 0.00126 | 0.00377 | |
| 0.05 | 0.003 | 0.00196 | 0.00589 | |
| 0.06 | 0.003 | 0.002827 | 46# | 0.00848 |
| 0.07 | 0.003 | 0.003848 | 45# | 0.0115 |
| 0.08 | 0.003 | 0.005027 | 44# | 0.0151 |
| 0.09 | 0.003 | 0.006362 | 43# | 0.0191 |
| 0.1 | 0.005 | 0.007854 | 42# | 0.0236 |
| 0.11 | 0.005 | 0.009498 | 41# | 0.0285 |
| 0.12 | 0.005 | 0.01131 | 40# | 0.0339 |
| 0.13 | 0.005 | 0.01327 | 39# | 0.0398 |
| 0.14 | 0.005 | 0.01539 | 0.0462 | |
| 0.15 | 0.005 | 0.01767 | 38# | 0.053 |
| 0.16 | 0.005 | 0.02011 | 0.0603 | |
| 0.17 | 0.005 | 0.0227 | 37# | 0.0681 |
| 0.18 | 0.005 | 0.02545 | 0.0764 | |
| 0.19 | 0.005 | 0.02835 | 36# | 0.0851 |
| 0.2 | 0.005 | 0.03142 | 0.0943 | |
| 0.21 | 0.005 | 0.03464 | 35# | 0.104 |
| 0.23 | 0.005 | 0.04155 | 34# | 0.125 |
| 0.25 | 0.005 | 0.04909 | 33# | 0.147 |
| 0.27 | 0.01 | 0.05726 | 32# | 0.172 |
| 0.28 | 0.01 | 0.06157 | ||
| 0.29 | 0.01 | 0.06605 | 31# | 0.198 |
| 0.31 | 0.01 | 0.07548 | 30# | 0.226 |
| 0.33 | 0.01 | 0.08553 | 0.257 | |
| 0.35 | 0.01 | 0.09621 | 29# | 0.289 |
| 0.38 | 0.01 | 0.1134 | 28# | 0.34 |
| 0.4 | 0.01 | 0.1257 | ||
| 0.41 | 0.01 | 0.132 | 0.396 | |
| 0.42 | 0.01 | 0.1385 | 27# | |
| 0.44 | 0.01 | 0.1521 | 0.456 | |
| 0.45 | 0.01 | 0.1602 | ||
| 0.47 | 0.01 | 0.1735 | 26# | 0.521 |
| 0.49 | 0.01 | 0.1886 | 0.566 | |
| 0.5 | 0.01 | 0.1964 | 25# | |
| 0.51 | 0.01 | 0.204 | 0.613 | |
| 0.53 | 0.01 | 0.2206 | 0.662 | |
| 0.55 | 0.01 | 0.238 | 0.713 | |
| 0.56 | 0.01 | 0.2463 | 24# | |
| 0.57 | 0.01 | 0.255 | 0.766 | |
| 0.59 | 0.01 | 0.273 | 0.82 | |
| 0.6 | 0.01 | 0.2827 | 23# | |
| 0.62 | 0.01 | 0.302 | 0.906 | |
| 0.63 | 0.01 | 0.3116 | ||
| 0.64 | 0.01 | 0.322 | 0.965 | |
| 0.67 | 0.01 | 0.3526 | 1.06 | |
| 0.69 | 0.01 | 0.3739 | 1.12 | |
| 0.71 | 0.015 | 0.3958 | 22# | |
| 0.72 | 0.015 | 0.407 | 1.22 | |
| 0.74 | 0.015 | 0.43 | 1.29 | |
| 0.75 | 0.015 | 0.4417 | ||
| 0.77 | 0.015 | 0.4657 | 1.4 | |
| 0.8 | 0.015 | 0.5027 | 21# | 1.51 |
| 0.83 | 0.015 | 0.5411 | 1.62 | |
| 0.85 | 0.015 | 0.5686 | ||
| 0.86 | 0.015 | 0.581 | 1.74 | |
| 0.9 | 0.015 | 0.6362 | 20# | 1.91 |
| 0.93 | 0.015 | 0.6793 | 2.04 | |
| 0.95 | 0.015 | 0.71 | ||
| 0.96 | 0.015 | 0.724 | 2.17 | |
| 1 | 0.015 | 0.7854 | 19# | 2.36 |
| 1.04 | 0.02 | 0.849 | 2.55 | |
| 1.06 | 0.02 | 0.8828 | ||
| 1.08 | 0.02 | 0.916 | 2.75 | |
| 1.12 | 0.02 | 0.9852 | 2.96 | |
| 1.16 | 0.02 | 1.057 | 3.17 | |
| 1.18 | 0.02 | 1.093 | ||
| 1.2 | 0.02 | 1.131 | 3.39 | |
| 1.25 | 0.02 | 1.227 | 18# | 3.68 |
| 1.3 | 0.02 | 1.327 | 3.98 | |
| 1.35 | 0.02 | 1.431 | 4.29 | |
| 1.4 | 0.02 | 1.539 | 17# | 4.62 |
| 1.45 | 0.02 | 1.651 | 4.95 | |
| 1.5 | 0.02 | 1.767 | 5.3 | |
| 1.56 | 0.02 | 1.911 | 5.73 | |
| 1.6 | 0.02 | 2.011 | 16# | |
| 1.62 | 0.02 | 2.06 | 6.18 | |
| 1.68 | 0.025 | 2.22 | 6.65 | |
| 1.7 | 0.025 | 2.271 | ||
| 1.74 | 0.025 | 2.38 | 7.13 | |
| 1.8 | 0.025 | 2.545 | 15# | |
| 1.81 | 0.025 | 2.57 | 7.72 | |
| 1.88 | 0.025 | 2.78 | 8.33 | |
| 1.9 | 0.025 | 2.834 | ||
| 1.95 | 0.025 | 2.99 | 8.96 | |
| 2 | 0.025 | 3.142 | 14# | |
| 2.02 | 0.025 | 3.2 | 9.62 | |
| 2.1 | 0.025 | 3.46 | 10.4 | |
| 2.12 | 0.025 | 3.54 | ||
| 2.24 | 0.03 | 3.941 | 13# | |
| 2.26 | 0.03 | 4.01 | 12 | |
| 2.36 | 0.03 | 4.385 | ||
| 2.44 | 0.03 | 4.68 | 14 | |
| 2.5 | 0.03 | 4.908 |
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