芯数x导体标称截面积 (mm2) | 导体内最大单线直径(mm) | 导体结构(根数/单丝直径mm) | 绝缘线芯(mm) | 屏蔽层 | 护套厚度规定值(mm) | 外形尺寸(mm) | 20℃时导体电阻最大值(Ω/km) | 70℃时绝缘电阻最小值(MΩ·km) | ||||||||
厚度 规定值 | 平均外径 | 屏蔽层单线直径 (mm) | 屏蔽密度不小于 | 平均外径 | 下限 | 上限 | 铜芯 | 镀锡铜芯 | ||||||||
1 | x 0.08 | 0.13 | 1 | x 7/0.12 | 0.4 | 1.16 | 0.10 | 60% | — | 1.56 | — | 1.9 | 247 | 254 | 0.019 | |
1 | x 0.12 | 0.16 | 1 | x 7/0.15 | 0.4 | 1.25 | 0.10 | 60% | — | 1.65 | — | 2.0 | 158 | 163 | 0.016 | |
1 | x 0.2 | 0.16 | 1 | x 12/0.15 | 0.4 | 1.42 | 0.10 | 80% | — | 1.82 | — | 2.2 | 92.3 | 95.0 | 0.013 | |
1 | x 0.3 | 0.16 | 1 | x 16/0.15 | 0.5 | 1.71 | 0.10 | 80% | — | 2.11 | — | 2.6 | 69.2 | 71.2 | 0.012 | |
1 | x 0.4 | 0.16 | 1 | x 23/0.15 | 0.5 | 1.90 | 0.15 | 80% | — | 2.50 | — | 3.0 | 48.2 | 49.6 | 0.012 | |
1 | x 0.5 | 0.21 | 1 | x 28/0.15 | 0.5 | 1.96 | 0.15 | 80% | — | 2.56 | — | 3.1 | 39.0 | 40.1 | 0.012 | |
1 | x 0.75 | 0.21 | 1 | x 42/0.15 | 0.5 | 2.20 | 0.15 | 80% | — | 2.80 | — | 3.4 | 26.0 | 26.7 | 0.010 | |
1 | x 1.0 | 0.21 | 1 | x 32/0.20 | 0.6 | 2.54 | 0.15 | 80% | — | 3.14 | — | 3.8 | 19.5 | 20.0 | 0.011 | |
1 | x 1.5 | 0.26 | 1 | x 48/0.20 | 0.6 | 2.83 | 0.15 | 80% | — | 3.43 | — | 4.1 | 13.3 | 13.7 | 0.0094 | |
1 | x 2.5 | 0.26 | 1 | x 77/0.20 | 0.7 | 3.50 | 0.15 | 80% | — | 3.90 | — | 4.9 | 7.98 | 8.21 | 0.0086 | |
2 | x 0.08 | 0.13 | 2 | x 7/0.12 | 0.4 | 1.16 | 0.10 | 80% | — | 2.72 | — | 3.3 | 247 | 254 | 0.019 | |
1.56 x 2.72 | 1.9 x 3.3 | |||||||||||||||
2 | x 0.12 | 0.16 | 2 | x 7/0.15 | 0.4 | 1.25 | 0.10 | 80% | — | 2.90 | — | 3.5 | 158 | 163 | 0.016 | |
1.65 x 2.90 | 2.0 x 3.5 | |||||||||||||||
2 | x 0.2 | 0.16 | 2 | x 12/0.15 | 0.4 | 1.42 | 0.10 | 80% | — | 3.24 | — | 3.9 | 92.3 | 95.0 | 0.013 | |
1.82 x 3.24 | 2.2 x 3.9 | |||||||||||||||
2 | x 0.3 | 0.16 | 2 | x 16/0.15 | 0.5 | 1.71 | 0.15 | 80% | — | 4.02 | — | 4.8 | 69.2 | 71.2 | 0.014 | |
2.31 x 4.02 | 2.8 x 4.8 | |||||||||||||||
2 | x 0.4 | 0.16 | 2 | x 23/0.15 | 0.5 | 1.9 | 0.15 | 80% | — | 4.40 | — | 5.2 | 48.2 | 49.6 | 0.012 | |
2.50 x 4.40 | 3.0 x 5.2 | |||||||||||||||
2 | x 0.5 | 0.21 | 2 | x 28/0.15 | 0.5 | 1.96 | 0.15 | 80% | — | 4.52 | — | 5.4 | 39.0 | 40.1 | 0.012 | |
2.56 x 4.52 | 3.1 x 5.4 | |||||||||||||||
2 | x 0.75 | 0.21 | 2 | x 42/0.15 | 0.5 | 2.2 | 0.15 | 80% | — | 5.00 | — | 6.0 | 26.0 | 26.7 | 0.010 | |
2.80 x 5.00 | 3.4 x 6.0 |