注:导体1类为实心导体,2类为绞合导体
芯数× 标称截面
|
导体种类
|
绝缘 标称厚度mm
|
护套 标称厚度 mm
|
平均外径
|
70℃时绝缘电阻最小值MΩ/km
|
下限
|
上限
|
2×0.75
|
1
2
|
0.6
|
1.2
|
6.4
6.6
|
8.0
8.4
|
0.012
0.014
|
2×1.0
|
1
2
|
0.6
|
1.2
|
6.8
6.8
|
8.4
8.8
|
0.011
0.013
|
2×1.5
|
1
2
|
0.7
|
1.2
|
7.6
7.8
|
9.4
10.0
|
0.011
0.010
|
2×2.5
|
1
2
|
0.8
|
1.2
|
8.6
9.0
|
10.5
11.5
|
0.010
0.009
|
2×4
|
1
2
|
0.8
|
1.2
|
9.6
10.0
|
11.5
12.5
|
0.0085
0.0077
|
2×6
|
1
2
|
0.8
|
1.2
|
10.5
11.0
|
12.5
14.0
|
0.0070
0.0065
|
2×10
|
2
|
1.0
|
1.5
|
14.0
|
17.5
|
0.0065
|
3×0.75
|
1
2
|
0.6
|
1.2
|
6.8
7.0
|
8.4
8.8
|
0.012
0.014
|
3×1.0
|
1
2
|
0.6
|
1.2
|
7.0
7.2
|
8.8
9.2
|
0.011
0.013
|
3×1.5
|
1
2
|
0.7
|
1.2
|
8.0
8.2
|
9.8
10.5
|
0.011
0.010
|
3×2.5
|
1
2
|
0.8
|
1.2
|
9.2
9.4
|
11.0
12.0
|
0.010
0.009
|
3×4
|
1
2
|
0.8
|
1.2
|
10.0
10.5
|
12.5
13.5
|
0.0085
0.0077
|
3×6
|
1
2
|
0.8
|
1.5
|
11.5
12.0
|
14.0
15.0
|
0.0070
0.0065
|
3×10
|
2
|
1.0
|
1.5
|
14.5
|
18.5
|
0.0065
|
4×0.75
|
1
2
|
0.6
|
1.2
|
7.2
7.4
|
9.0
9.6
|
0.012
0.014
|
4×1.0
|
1
2
|
0.6
|
1.2
|
7.6
7.8
|
9.4
10.0
|
0.011
0.013
|
4×1.5
|
1
2
|
0.7
|
1.2
|
8.6
9.0
|
10.5
11.5
|
0.011
0.010
|
4×2.5
|
1
2
|
0.8
|
1.2
|
10.0
10.0
|
12.0
13.0
|
0.010
0.009
|
4×4
|
1
2
|
0.8
|
1.5
|
11.5
12.0
|
14.0
15.0
|
0.0085
0.0077
|
4×6
|
1
2
|
0.8
|
1.5
|
12.5
13.0
|
15.0
16.5
|
0.0070
0.0065
|
4×10
|
2
|
1.0
|
1.5
|
16.0
|
20.0
|
0.0065
|
5×0.75
|
1
2
|
0.6
|
1.2
|
7.8
8.0
|
9.6
10.5
|
0.012
0.014
|
5.1
|
1
2
|
0.6
|
1.2
|
8.2
8.4
|
10.0
11.0
|
0.011
0.013
|
5×1.5
|
1
2
|
0.7
|
1.2
|
9.4
9.8
|
11.5
12.5
|
0.011
0.010
|
5×2.5
|
1
2
|
0.8
|
1.5
|
11.5
11.5
|
14.0
14.5
|
0.010
0.009
|
5×4
|
1
2
|
0.8
|
1.5
|
12.5
13.0
|
15.0
16.5
|
0.0085
0.0077
|
5×6
|
1
2
|
0.8
|
1.5
|
14.0
14.5
|
16.5
18.0
|
0.0070
0.0065
|
5×10
|
2
|
1.0
|
1.7
|
18.0
|
22.5
|
0.0065
|
7×0.75
|
1
2
|
0.6
|
1.2
|
8.4
8.8
|
10.5
11.0
|
0.012
0.014
|
7×1.0
|
1
2
|
0.6
|
1.2
|
9.0
9.2
|
11.0
11.5
|
0.011
0.013
|
7×1.5
|
1
2
|
0.7
|
1.2
|
10.0
10.5
|
12.5
13.5
|
0.011
0.010
|
7×2.5
|
1
2
|
0.8
|
1.5
|
12.5
12.5
|
15.0
16.0
|
0.010
0.009
|
7×4
|
1
2
|
0.8
|
1.5
|
13.5
14.0
|
16.5
17.5
|
0.0085
0.0077
|
7×6
|
1
2
|
0.8
|
1.5
|
15.0
15.5
|
18.0
19.5
|
0.0070
0.0065
|
7×10
|
2
|
1.0
|
1.7
|
20.0
|
24.0
|
0.0065
|
8×0.75
|
1
2
|
0.6
|
1.2
|
9.4
9.6
|
11.5
12.0
|
0.012
0.014
|
8×1
|
1
2
|
0.6
|
1.2
|
10.0
10.0
|
12.0
13.0
|
0.011
0.013
|
8×1.5
|
1
2
|
0.7
|
1.5
|
12.0
12.5
|
14.5
15.5
|
0.011
0.010
|
8×2.5
|
1
2
|
0.8
|
1.5
|
14.0
14.0
|
16.5
17.5
|
0.010
0.009
|
8×4
|
1
2
|
0.8
|
1.5
|
15.5
16.0
|
18.0
19.5
|
0.0085
0.0077
|
8×6
|
1
2
|
0.8
|
1.7
|
17.5
18.0
|
20.0
22.0
|
0.0070
0.0065
|
8×10
|
2
|
1.0
|
1.7
|
22.5
|
27.0
|
0.0065
|
10×0.75
|
1
2
|
0.6
|
1.2
|
10.5
10.5
|
12.5
13.5
|
0.012
0.014
|
10×1.0
|
1
2
|
0.6
|
1.5
|
11.5
12.0
|
14.0
15.0
|
0.011
0.013
|
10×1.5
|
1
2
|
0.7
|
1.5
|
13.5
14.0
|
16.0
17.0
|
0.011
0.010
|
10×2.5
|
1
2
|
0.8
|
1.5
|
15.5
16.0
|
18.5
19.5
|
0.010
0.009
|
10×4
|
1
2
|
0.8
|
1.7
|
18.0
18.5
|
20.5
22.5
|
0.0085
0.0077
|
10×6
|
1
2
|
0.8
|
1.7
|
19.5
20.5
|
22.5
25.0
|
0.0070
0.0065
|
10×10
|
2
|
1.0
|
1.7
|
25.5
|
30.5
|
0.0065
|
12×0.75
|
1
2
|
0.6
|
1.5
|
11.5
11.5
|
13.5
14.5
|
0.012
0.014
|
12×1.0
|
1
2
|
0.6
|
1.5
|
12.0
12.5
|
14.5
15.5
|
0.011
0.013
|
12×1.5
|
1
2
|
0.7
|
1.5
|
14.0
14.0
|
16.5
17.5
|
0.011
0.010
|
12×2.5
|
1
2
|
0.8
|
1.5
|
16.0
16.5
|
19.0
20.5
|
0.010
0.009
|
12×4
|
1
2
|
0.8
|
1.7
|
18.5
19.0
|
21.5
23.0
|
0.0085
0.0077
|
12×6
|
1
2
|
0.8
|
1.7
|
20.5
21.0
|
23.5
26.0
|
0.0070
0.0065
|
14×0.75
|
1
2
|
0.6
|
1.5
|
12.0
12.0
|
14.5
15.0
|
0.012
0.014
|
14×1.0
|
1
2
|
0.6
|
1.5
|
12.5
13.0
|
15.0
16.0
|
0.011
0.013
|
14×1.5
|
1
2
|
0.7
|
1.5
|
14.5
15.0
|
17.0
18.5
|
0.011
0.010
|
14×2.5
|
1
2
|
0.8
|
1.5
|
17.0
17.5
|
19.5
21.5
|
0.010
0.009
|
14×4
|
1
2
|
0.8
|
1.7
|
19.5
20.0
|
22.5
24.5
|
0.0085
0.0077
|
14×6
|
1
2
|
0.8
|
1.7
|
21.5
22.5
|
24.5
27.0
|
0.0070
0.0065
|
16×0.75
|
1
2
|
0.6
|
1.5
|
12.5
13.0
|
15.0
16.0
|
0.012
0.014
|
16×1.0
|
1
2
|
0.6
|
1.5
|
13.0
13.5
|
15.5
17.0
|
0.011
0.013
|
16×1.5
|
1
2
|
0.7
|
1.5
|
15.0
15.5
|
18.0
19.5
|
0.011
0.010
|
16×2.5
|
1
2
|
0.8
|
1.7
|
18.0
19.0
|
21.0
23.0
|
0.010
0.009
|
19×0.75
|
1
2
|
0.6
|
1.5
|
13.0
13.5
|
15.5
16.5
|
0.012
0.014
|
19×1.0
|
1
2
|
0.6
|
1.5
|
14.0
14.5
|
16.5
17.5
|
0.011
0.013
|
19×1.5
|
1
2
|
0.7
|
1.5
|
16.0
16.5
|
19.0
20.5
|
0.011
0.010
|
19×2.5
|
1
2
|
0.8
|
1.7
|
19.0
20.0
|
22.0
24.0
|
0.010
0.009
|
24×0.75
|
1
2
|
0.6
|
1.5
|
15.0
15.5
|
18.0
19.0
|
0.012
0.014
|
24×1.0
|
1
2
|
0.6
|
1.5
|
16.0
16.5
|
19.0
20.5
|
0.011
0.013
|
24×1.5
|
1
2
|
0.7
|
1.7
|
19.0
20.0
|
22.0
24.0
|
0.011
0.010
|
24×2.5
|
1
2
|
0.8
|
1.7
|
22.5
23.0
|
25.5
28.0
|
0.010
0.009
|
27×0.75
|
1
2
|
0.6
|
1.5
|
15.5
16.0
|
18.0
19.5
|
0.012
0.014
|
27×1.0
|
1
2
|
0.6
|
1.5
|
16.5
17.0
|
19.0
20.5
|
0.011
0.013
|
27×1.5
|
1
2
|
0.7
|
1.7
|
19.5
20.0
|
22.5
24.5
|
0.011
0.010
|
27×2.5
|
1
2
|
0.8
|
1.7
|
23.0
23.5
|
26.0
28.5
|
0.010
0.009
|
30×0.75
|
1
2
|
0.6
|
1.5
|
16.0
16.5
|
19.0
20.0
|
0.012
0.014
|
30×1.0
|
1
2
|
0.6
|
1.7
|
17.5
18.0
|
20.5
22.0
|
0.011
0.013
|
30×1.5
|
1
2
|
0.7
|
1.7
|
20.0
21.0
|
23.0
25.0
|
0.011
0.010
|
30×2.5
|
1
2
|
0.8
|
1.7
|
24.0
24.5
|
27.0
29.5
|
0.010
0.009
|
37×0.75
|
1
2
|
0.6
|
1.7
|
17.5
18.0
|
20.5
22.0
|
0.012
0.014
|
37×1.0
|
1
2
|
0.6
|
1.7
|
18.5
19.5
|
21.5
23.5
|
0.011
0.013
|
37×1.5
|
1
2
|
0.7
|
1.7
|
21.5
22.5
|
25.0
27.0
|
0.011
0.010
|
37×2.5
|
1
2
|
0.8
|
1.7
|
25.5
26.5
|
29.0
31.5
|
0.010
0.009
|
44×0.75
|
1
2
|
0.6
|
1.7
|
19.5
20.5
|
23.0
24.5
|
0.012
0.014
|
44×1.0
|
1
2
|
0.6
|
1.7
|
21.0
21.5
|
24.0
26.0
|
0.011
0.013
|
44×1.5
|
1
2
|
0.7
|
1.7
|
24.5
25.5
|
28.0
30.5
|
0.011
0.010
|
44×2.5
|
1
2
|
0.8
|
2.0
|
29.5
30.5
|
33.5
36.0
|
0.010
0.009
|
48×0.75
|
1
2
|
0.6
|
1.7
|
20.0
20.5
|
23.0
25.0
|
0.012
0.014
|
48×1.0
|
1
2
|
0.6
|
1.7
|
21.5
22.0
|
24.5
26.5
|
0.011
0.013
|
48×1.5
|
1
2
|
0.7
|
1.7
|
25.0
25.5
|
28.5
31.0
|
0.011
0.010
|
48×2.5
|
1
2
|
0.8
|
2.0
|
30.0
31.0
|
34.0
37.0
|
0.010
0.009
|
52×0.75
|
1
2
|
0.6
|
1.7
|
20.5
21.0
|
23.5
25.0
|
0.012
0.014
|
52×1.0
|
1
2
|
0.6
|
1.7
|
22.0
22.5
|
25.0
27.0
|
0.011
0.013
|
52×1.5
|
1
2
|
0.7
|
1.7
|
25.5
26.5
|
29.0
31.5
|
0.011
0.010
|
52×2.5
|
1
2
|
0.8
|
2.0
|
31.0
32.0
|
35.0
38.0
|
0.010
0.009
|
61×0.75
|
1
2
|
0.6
|
1.7
|
22.0
22.5
|
25.0
27.0
|
0.012
0.014
|
61×1.0
|
1
2
|
0.6
|
1.7
|
23.0
24.0
|
26.5
28.5
|
0.011
0.013
|
61×1.5
|
1
2
|
0.7
|
2.0
|
27.5
28.5
|
31.5
34.0
|
0.011
0.010
|
61×2.5
|
1
2
|
0.8
|
2.2
|
33.0
34.0
|
37.5
40.5
|
0.010
0.009
| |