导体标称截面

绝缘厚度

护套厚度

电缆近似外径

电缆近似重量

导体直流电阻

试验电压

电缆载流量

在空气中

直埋土壤中

mm²

mm

mm

mm

kg/km

Ω/km

KV

A

A

3×1.5

0.7

1.5

13

273

≤12.1

3.5

21

26

3×3.5

0.7

1.5

13.9

321

≤7.41

3.5

28

35

3×4

0.7

1.5

15

390

≤4.61

3.5

37

46

3×6

0.7

1.5

16.1

471

≤3.08

3.5

47

56

3×10

0.7

1.5

17.8

622

≤1.83

3.5

64

76

3×16

0.7

2

21.5

1005

≤1.15

3.5

84

98

3×25

0.9

2

24.8

1371

≤0.727

3.5

115

126

3×35

0.9

2

27.2

1724

≤0.524

3.5

141

152

3×50

1

2

30.4

2247

≤0.387

3.5

172

181

3×70

1.1

2.5

35.3

3023

≤0.268

3.5

218

222

3×95

1.1

2.5

38.7

3825

≤0.193

3.5

269

267

3×120

1.2

2.5

42.2

4642

≤0.153

3.5

313

305

3×150

1.4

3

47.5

5767

≤0.124

3.5

359

344

3×185

1.6

3

52.8

6892

≤0.0991

3.5

405

383

3×240

1.7

3

58.1

8017

≤0.0754

3.5

451

422

3×300

1.8

3.5

63.4

9142

≤0.0601

3.5

497

461