芯数
Cores

芯数×导体标称截面(mm2)
Number of cores × nominal sectional area of the conductor

导体结构与单线
直径/根数(mm)

绝缘标称厚度(mm)
Insulation nominal thickness

护套标称厚度(mm)
Jacket nominal thickness

外径(mm)
Maximum external diameter

近似重量(kg/km)
Approximate weight

单芯
1-core

1×4

49/0.32

1.2

2.0

9.3

1×6

84/0.30

1.2

2.0

9.9

1×10

84/0.40

1.4

2.0

12.1

1×16

126/0.40

1.4

2.0

13.5

1×25

196/0.40

1.6

2.5

16.5

1×35

276/0.40

1.6

2.5

17.5

1×50

396/0.40

1.6

2.5

19.0

1×70

360/0.50

1.6

2.5

21.4

三芯
3-core

3×2.5

49/0.25

1.0

2.0

13.4

382

3×4

56/0.30

1.0

2.0

15.5

386

3×6

84/0.30

1.0

2.0

16.9

485

3×10

84/0.40

1.2

2.5

22.3

850

3×16

126/0.40

1.2

2.5

24.6

1103

3×25

196/0.40

1.4

2.5

31.6

1774

3×35

276/0.40

1.4

2.5

33.8

2164

四芯
4-core

3×2.5+1×1.5

49/0.25+30/0.30

1.0+1.0

2.0

15.1

340

3×4+1×2.5

49/0.32+49/0.25

1.0+1.0

2.0

16.5

425

3×6+1×4

84/0.30+56/0.30

1.0+1.0

2.5

18.9

596

3×10+1×6

84/0.40+84/0.30

1.2+1.0

2.5

23.2

943

3×16+1×6

126/0.40+84/0.30

1.2+1.0

2.5

25.3

1180

3×25+1×6

196/0.40+84/0.30

1.4+1.0

2.5

32.4

1890

3×35+1×6

49/0.40+84/0.30

1.4+1.0

2.5

34.4

2268

绝缘线芯工频耐压
Industrial frequency pressure of wire cores

成品电缆工频耐压
Industrial frequency pressure of finished cores

线路横向密封试验
Circuit horizontal
Tightness test

橡皮在水压下
吸水量试验
Water absorbing test of rubber under hydraulic pressure

浸入室温水中6h后
Immensed chamber in warm water for 6h

浸入室温水中6h后
Immensed in warm water for 6h

浸入耐压20℃绝缘电阻(MΩ•km)

试验电压(V)
Test voltage

加压时间(min)
Pressure time

加压时间(min)
Pressure time

试验电压(V)
Test voltage

Immensed and pressured insulation resistance at 20℃

2500

5

5

2500

100

在电缆直径5倍的圆柱体上，弯曲10次放在30个大气压水箱中2h，电缆露出部分水不漏水

在30个大气压，室温水中，护套橡套放置24h，重量增加不超过16mg/cm3