美国线规(AWG)参数表

AWG 直径 直径之倒数 截面积 铜阻抗 铜线容许电流 铜线容许电流 铜线容许电流 熔断电流 熔断电流 熔断电流
(mm) (per cm) (mm2) (mΩ/m) 60°C 75°C 90°C ~10s 1s 32ms
0000 (4/0) 11.684 0.856 107 0.1608 195 230 260 3.2 kA 33 kA 182 kA
000 (3/0) 10.405 0.961 85.0 0.2028 165 200 225 2.7 kA 26 kA 144 kA
00 (2/0) 9.266 1.08 67.4 0.2557 145 175 195 2.3 kA 21 kA 115 kA
0 (1/0) 8.251 1.21 53.5 0.3224 125 150 170 1.9 kA 16 kA 91 kA
1 7.348 1.36 42.4 0.4066 110 130 145 1.6 kA 13 kA 72 kA
2 6.544 1.53 33.6 0.5127 95 115 130 1.3 kA 10.2 kA 57 kA
3 5.827 1.72 26.7 0.6465 85 100 115 1.1 kA 8.1 kA 45 kA
4 5.189 1.93 21.2 0.8152 70 85 95 946 A 6.4 kA 36 kA
5 4.621 2.16 16.8 1.028 795 A 5.1 kA 28 kA
6 4.115 2.43 13.3 1.296 55 65 75 668 A 4.0 kA 23 kA
7 3.665 2.73 10.5 1.634 561 A 3.2 kA 18 kA
8 3.264 3.06 8.37 2.061 40 50 55 472 A 2.5 kA 14 kA
9 2.906 3.44 6.63 2.599 396 A 2.0 kA 11 kA
10 2.588 3.86 5.26 3.277 30 35 40 333 A 1.6 kA 8.9 kA
11 2.305 4.34 4.17 4.132 280 A 1.3 kA 7.1 kA
12 2.053 4.87 3.31 5.211 20 25 30 235 A 1.0 kA 5.6 kA
13 1.828 5.47 2.62 6.571 198 A 798 A 4.5 kA
14 1.628 6.14 2.08 8.286 15 20 25 166 A 633 A 3.5 kA
15 1.450 6.90 1.65 10.45 140 A 502 A 2.8 kA
16 1.291 7.75 1.31 13.17 22 13 18 117 A 398 A 2.2 kA
17 1.150 8.70 1.04 16.61 99 A 316 A 1.8 kA
18 1.024 9.77 0.823 20.95 10 14 16 83 A 250 A 1.4 kA
19 0.912 11.0 0.653 26.42 70 A 198 A 1.1 kA
20 0.812 12.3 0.518 33.31 5 11 58.5 A 158 A 882 A
21 0.723 13.8 0.410 42.00 49 A 125 A 700 A
22 0.644 15.5 0.326 52.96 3 7 41 A 99 A 551 A
23 0.573 17.4 0.258 66.79 35 A 79 A 440 A
24 0.511 19.6 0.205 84.22 2.1 3.5 29 A 62 A 348 A
25 0.455 22.0 0.162 106.2 24 A 49 A 276 A
26 0.405 24.7 0.129 133.9 1.3 2.2 20 A 39 A 218 A
27 0.361 27.7 0.102 168.9 17 A 31 A 174 A
28 0.321 31.1 0.0810 212.9 0.83 1.4 14 A 24 A 137 A
29 0.286 35.0 0.0642 268.5 12 A 20 A 110 A
30 0.255 39.3 0.0509 338.6 0.52 0.86 10 A 15 A 86 A
31 0.227 44.1 0.0404 426.9 9 A 12 A 69 A
32 0.202 49.5 0.0320 538.3 0.32 0.53 7 A 10 A 54 A
33 0.180 55.6 0.0254 678.8 6 A 7.7 A 43 A
34 0.160 62.4 0.0201 856.0 0.18 0.3 5 A 6.1 A 34 A
35 0.143 70.1 0.0160 1079 4 A 4.8 A 27 A
36 0.127 78.7 0.0127 1361 4 A 3.9 A 22 A
37 0.113 88.4 0.0100 1716 3 A 3.1 A 17 A
38 0.101 99.3 0.00797 2164 3 A 2.4 A 14 A
39 0.0897 111 0.00632 2729 2 A 1.9 A 11 A
40 0.0799 125 0.00501 3441 1 A 1.5 A 8.5 A
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