Power Cables 

Power Cables

BS6622 Single Core Armoured 11kV XLPE Stranded Copper Conductors

Construction

cross-sectional area mmsq

Minimum average thickness of insulation mm

Nominal diameter over insulation
mm

 

Nominal thickness of PVC bedding
mm

Nominal number and diameter of armoured wires no./mm

Nominal thickness of PVC oversheath
mm

Nominal overall diameter of cable mm

50

3.4

17.0

1.2

39/1.6

1.8

27.7

70

3.4

18.8

1.2

42/1.6

1.9

29.7

95

3.4

20.5

1.2

45/1.6

1.9

31.4

120

3.4

22.0

1.2

47/1.6

2.0

33.1

150

3.4

23.3

1.2

40/2.0

2.1

35.4

185

3.4

25.1

1.2

43/2.0

2.1

37.2

240

3.4

27.3

1.2

46/2.0

2.2

39.8

300

3.4

29.6

1.2

49/2.0

2.3

42.3

400

3.4

32.3

1.2

53/2.0

2.4

45.2

500

3.4

35.2

1.3

46/2.5

2.5

19.5

630

3.4

38.6

1.4

50/2.5

2.6

53.3

800

Please refer to our technical department for further information

1000

Installation

cross-sectional area mmsq

Approximate cable weight kg/m

Nominal drum length
m

Minimum bending radius mm

Nominal internal diameter of ducts mm

50

1.3

1000

450

100

70

1.6

1000

450

100

95

1.9

1000

500

100

120

2.2

500

500

100

150

2.6

500

550

100

185

3.0

500

600

100

240

3.6

500

600

100

300

4.3

500

650

100

400

5.2

300

700

100

500

6.5

300

750

100

630

7.9

300

800

100

800

Please refer to our technical departmen for further information

1000

Electrical Performance

cross-sectional area mmsq

Maximum DC resistance of conductor at 20 ℃ uohms/m

Maximum AC resistance of conductor at 90 ℃ uohms/m

Reactance at 50Hz
uohms/m

Impedance at 50Hz uohms/m

Maximum Capacitace PF/m

Maximum charging current at normal voltage and frequency mA/m

50

387

494

138

512

252

0.50

70

268

343

130

366

288

0.58

95

193

248

123

276

323

0.65

120

153

196

118

229

353

0.71

150

124

159

117

197

380

0.76

185

99.1

128

112

169

416

0.83

240

75.4

98

109

146

460

0.92

300

60.1

80

105

131

506

1.01

400

47.0

64

101

119

561

1.12

500

36.6

51

99.8

112

619

1.24

630

28.3

42

96.5

105

698

1.37

800

Please refer to our technical department for further information

1000

Ratings

Cross-sectional area
mmsq

Current Ratings

Short circuit ratings

Laid direct in ground
Amps

Drawn into ducts
Amps

Laid in air
Amps

One second short circuit rating of conductor
KA

One second short circuit rating of copper per core
KA

50

220

220

250

6.8

Typically

less

then

1kA

70

270

260

310

9.8

95

320

305

375

13.3

120

360

340

430

17.2

150

410

375

490

21.2

185

455

410

550

26.6

240

520

460

650

34.9

300

580

500

740

43.8

400

650

530

840

57.3

500

710

570

930

72.3

630

760

620

1040

91.2

800

Please refer to our technical department for further information

1000