Medium Voltage Cables 

Medium Voltage Cables to IEC 60502

Single Core Cables to IEC 60502

Single Core 12/20KV (Um=24KV) Dimensional Data


Nom.
Cross-
Section
Area

 

Unarmoured Cables

Aluminium Wire Armoured Cables

Nom.
Insulation
Thickness

Copper Tape Thickness

Copper
Wire Screen
Area*

Nom.
Sheath
Thickness

Approx.
Overall
Diameter

Approx.
Weight

Nom.
Bedding
Thickness

Armour
Wire
Size

Nom.
Sheath
Thickness

Approx.
Overall
Diameter

Approx.
Weight

Cu

AL

Cu

AL

mm2

mm

mm

mm2

mm

mm

kg/km

mm

mm

mm

mm

kg/km

25

5.5

0.1

16

1.8

24

720

560

1.2

1.6

1.8

29

1200

980

35

5.5

0.1

16

1.8

25

840

620

1.2

1.6

1.9

30

1350

1070

50

5.5

0.1

16

1.8

26

990

690

1.2

2.0

2.0

33

1550

1250

70

5.5

0.1

16

1.8

28

1230

800

1.2

2.0

2.1

35

1840

1420

95

5.5

0.1

16

1.9

30

1530

940

1.2

2.0

2.1

37

2160

1570

120

5.5

0.1

16

2.0

31

1810

1050

1.2

2.0

2.2

38

2470

1730

150

5.5

0.1

25

2.0

33

2110

1190

1.2

2.0

2.2

40

2810

1890

185

5.5

0.1

25

2.1

35

2510

1360

1.2

2.0

2.3

42

3240

2090

240

5.5

0.1

25

2.1

38

3130

1610

1.3

2.5

2.4

45

4150

2580

300

5.5

0.1

25

2.2

40

3760

1860

1.3

2.5

2.5

48

4800

2890

400

5.5

0.1

35

2.3

43

4650

2220

1.4

2.5

2.6

52

5780

3350

500

5.5

0.1

35

2.4

46

5530

2545

1.5

2.5

2.7

55

6850

3850

630

5.5

0.1

35

2.5

50

6700

3100

1.5

2.5

2.9

60

8380

4400

800

5.5

0.1

50

2.6

55

8580

3690

1.6

2.5

3.0

64

10130

5270

1000

5.5

0.1

50

2.7

59

10620

4445

1.7

2.5

3.1

68

12180

6000

*Optional wire screen can be provided in combination of copper tapes. Nominal screen area, as stated in the table, can be supplied as standard.

Electrical Data

Nom.
Cross-

Section
Area

D C Resistance
CU / AL

A C
Resistance
CU / AL

Short
Circuit Rating of Conductor
CU / AL
1 sec

Capaci-tance

Charging Current

Short Circuit Rating of Copper Wire Screen
1 sec

Short Circuit Rating of Copper Tape Screen
1 sec

Reactance

Inductance

Impedance

Trefoil

Flat spaced

Trefoil

Flat spaced

Trefoil

Flat spaced

Cu

AL

Cu

AL

mm2

µΩ/m

µΩ/m

kA

pF/m

mA/m

kA

kA

µΩ/m

nH/m

µΩ/ m

µΩ/ m

50

387/641

494/822

6.8/4.4

138

0.83

2.6

1.0

151

214

480

680

511

834

527

844

70

268/443

343/568

9.8/6.3

154

0.92

2.6

1.0

144

201

460

640

364

583

386

597

95

193/320

248/410

13.3/8.5

169

1.01

2.6

1.1

138

195

440

620

272

427

300

446

120

153/253

196/325

17.2/11.0

183

1.10

2.6

1.1

132

188

420

600

225

345

257

367

150

124/206

159/265

21.2/13.5

194

1.16

4.3

1.2

126

182

400

580

193

287

229

313

185

99.1/164

128/211

26.6/17.0

210

1.26

4.3

1.2

122

182

390

580

165

237

206

267

240

75.4/125

98/161

34.9/22.3

229

1.37

4.3

1.3

119

176

380

560

140

191

185

226

300

60.1/100

80/130

43.8/28.0

249

1.49

4.3

1.4

113

173

360

550

126

163

174

203

400

47.0/77.8

64/102

57.3/36.6

273

1.64

5.8

1.5

107

163

340

520

113

141

164

184

500

36.6/60.5

51/81

72.3/46.2

298

1.79

5.8

1.6

104

163

330

520

105

124

158

171

630

28.3/46.9

42/64

91.2/58.3

327

1.96

5.8

1.7

100

160

320

510

97

110

151

160

800

22.1/36.7

35/55

114.4/75.0

350

1.98

8.2

1.8

97

154

310

490

92

101

147

153

1000

17.6/29.1

30/46

143.0/94.0

380

2.15

8.2

1.9

94

149

300

490

88

95

144

148

* For capacitance & charging current values, multiply values shown by 1.2 for EPR insulated cables.