Medium Voltage Cables to IEC 60502

Single Core Cables to IEC 60502

Single Core 26/35KV (Um=42KV) 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

50

10.5

0.1

16

2.1

38.3

1689

1402

1.2

2.5

2.5

46.8

2580

2395

70

10.5

0.1

16

2.2

40.2

1980

1564

1.2

2.5

2.5

48.8

2937

2611

95

10.5

0.1

16

2.2

41.8

2283

1714

1.2

2.5

2.6

50.9

3206

2737

120

10.5

0.1

16

2.3

43.4

2588

1871

1.4

2.5

2.6

51.5

3753

3177

150

10.5

0.1

25

2.3

44.9

2923

2028

1.4

2.5

2.7

53.8

4143

3371

185

10.5

0.1

25

2.4

47.3

3415

2281

1.4

2.5

2.7

55.6

4694

3693

240

10.5

0.1

25

2.5

49.5

3975

2542

1.4

2.5

2.8

57.6

5258

4005

300

10.5

0.1

25

2.5

51.9

4625

2822

1.4

2.5

2.9

60.8

5940

4301

400

10.5

0.1

35

2.6

54.9

5704

3288

1.6

2.5

3.0

63.6

7155

4894

*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

126

0.95

2.6

1.2

161

227

510

720

511

834

527

844

70

268/443

343/568

9.8/6.3

138

1.04

2.6

1.2

154

207

490

660

364

583

386

597

95

193/320

248/410

13.3/8.5

151

1.13

2.6

1.3

147

202

470

640

272

427

300

446

120

153/253

196/325

17.2/11.0

161

1.24

2.6

1.3

142

194

450

620

225

345

257

367

150

124/206

159/265

21.2/13.5

169

1.36

4.3

1.4

136

188

430

600

193

287

229

313

185

99.1/164

128/211

26.6/17.0

176

1.40

4.3

1.4

128

188

410

600

165

237

206

267

240

75.4/125

98/161

34.9/22.3

192

1.51

4.3

1.5

128

183

400

580

140

191

185

226

300

60.1/100

80/130

43.8/28.0

209

1.64

4.3

1.6

119

180

380

570

126

163

174

203

400

47.0/77.8

64/102

57.3/36.6

227

1.80

5.8

1.7

114

170

360

540

113

141

164

184

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