导体标称横截面(mm2)

导体中单线根数

绝缘厚度(mm)

钢带厚度(mm)

外护套厚度(mm)

电缆近似外径(mm)

电缆近似重量(kg/km)

20℃导体电阻≤( Ω/km)

试验电压Kv/5min

Cu

Al

Cu

Al

2×4

1

1.0

2×0.2

1.8

16.6

424

374

4.61

7.41

3.5

2×6

1

1.0

2×0.2

1.8

17.6

493

419

3.08

4.61

3.5

2×10

7

1.0

2×0.2

1.8

19.2

663

539

1.83

3.02

3.5

2×16

7

1.0

2×0.2

1.8

22.3

844

647

1.15

1.91

3.5

2×25

7

1.2

2×0.2

1.8

25.8

1154

842

0.27

1.20

3.5

2×35

7

1.2

2×0.2

1.8

28.1

1431

998

0.524

0.868

3.5

2×50

19

1.4

2×0.2

1.8

25.6

1589

1034

0.387

0.641

3.5

1×70

19

1.4

2×0.5

2.0

29.3

2243

1378

0.268

0.443

3.5

2×95

19

1.6

2×0.5

2.1

33.8

2909

1735

0.193

0.320

3.5

2×120

37

1.6

2×0.5

2.2

35.9

3475

1991

0.153

0.253

3.5

2×150

37

1.8

2×0.5

2.4

39.7

4250

2400

0.124

0.206

3.5

2×185

37

2.0

2×0.5

2.5

42.8

5010

2723

0.0991

0.164

3.5

2×240

61

2.2

2×0.5

2.5

49.5

6067

3090

0.0754

0.125

3.5

2×300

61

2.4

2×0.5

2.5

52.0

7167

3396

0.0601

0.100

3.5

2×400

61

2.4

2×0.5

2.7

58.5

8956

4156

0.0470

0.0778

3.5