| 导体标秤截面2 |
导体中单线最大直线mm |
覆盖层总厚度规定值mm |
复合覆盖层中的护套厚度规定值mm |
平均外径 |
20℃时导体最大电阻20℃ |
| 下限mm |
上限mm |
镀锡单线Ω/km |
未镀锡单线Ω/km |
| 16 |
0.21 |
2.0 |
1.3 |
9.2 |
11.5 |
1.19 |
1.16 |
| 25 |
0.21 |
2.0 |
1.3 |
10.5 |
13.0 |
0.780 |
0.758 |
| 35 |
0.21 |
2.0 |
1.3 |
11.5 |
14.5 |
0.552 |
0.536 |
| 50 |
0.21 |
2.2 |
1.5 |
13.5 |
17.0 |
0.390 |
0.379 |
| 70 |
0.21 |
2.4 |
1.6 |
15.5 |
19.5 |
0.276 |
0.268 |
| 95 |
0.21 |
2.6 |
1.7 |
18.0 |
22.0 |
0.204 |
0.198 | , |
