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

9.8

145

≤12.1

3.5

25

30

3×3.5

0.7

1.5

10.7

185

≤7.41

3.5

30

35

3×4

0.7

1.5

11.8

250

≤4.61

3.5

40

50

3×6

0.7

1.5

12.9

320

≤3.08

3.5

50

60

3×10

0.7

1.5

14.6

450

≤1.83

3.5

65

80

3×16

0.7

1.5

16.5

640

≤1.15

3.5

85

100

3×25

0.9

2

20.8

940

≤0.727

3.5

115

130

3×35

0.9

2

23.2

1260

≤0.524

3.5

145

155

3×50

1

2

26.4

1670

≤0.387

3.5

175

185

3×70

1.1

2

29.9

2280

≤0.268

3.5

220

225

3×95

1.1

2

33.3

3020

≤0.193

3.5

270

270

3×120

1.2

2.5

37.8

3795

≤0.153

3.5

315

305

3×150

1.4

2.5

41.7

4750

≤0.124

3.5

360

345

3×185

1.6

2.5

44.6

5654

≤0.0991

3.5

420

390

3×240

1.7

2.5

50.1

7243

≤0.0754

3.5

500

455

3×300

1.8

3

55.6

8832

≤0.0601

3.5

580

520