Medium Voltage Cables 

Medium Voltage Cables to BS 6622

Three Core Cables to BS 6622

Three Core 19/33KV (Um=36KV) Dimensional Data


Nom.
Cross-
Section
Area

 

Unarmoured Cables

Steel Wire Armoured Cables

Nom.Insulation Thickness

Copper Wire Screen Area

Nom.
Sheath

Thickness

Approx. Overall Diameter

Approx. Weight

Copper Tape Screen Area

Nom.
Bedding

Thickness

Nom. Armour Wire Diameter

Nom.
Sheath Thickness

Approx. Overall Diameter

Approx.
Weight

CU

AL

CU

AL

mm2

mm

mm2

mm

mm

kg/km

mm2

mm

mm

mm

mm

kg / km

35

8.0

16

3.1

60

3750

2880

6.5

1.7

2.5

3.2

74.9

9460

8700

50

8.0

16

3.2

65

5240

4260

6.7

1.8

3.15

3.4

79.0

10620

9680

70

8.0

16

3.3

70

6120

4730

7.1

1.8

3.15

3.5

82.5

11840

10440

95

8.0

16

3.4

74

7140

5240

7.5

1.9

3.15

3.6

86.4

13200

11350

120

8.0

16

3.5

77

8080

5710

7.9

2.0

3.15

3.7

89.9

14520

12190

150

8.0

25

3.6

80

9120

6220

8.2

2.0

3.15

3.8

93.6

16070

13280

185

8.0

25

3.7

84

10440

6940

8.6

2.1

3.15

3.9

97.3

17710

14090

240

8.0

25

3.9

91

12620

8010

9.2

2.2

3.15

4.1

103.2

20370

15460

300

8.0

25

4.0

95

14690

8800

9.7

2.3

3.15

4.3

108.2

22980

17210

400

8.0

35

4.3

103

17720

10230

10.3

2.4

3.15

4.5

116.8

27480

19450

Electrical Data

Nom.
Cross-
Section
Area

 

Unarmored
Cables

Aluminium Wire Armoured Cables

 

Current Ratings

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
Per Core
1 sec

Short Circuit Rating of Copper Tape Screen
Per Core
1 sec

Reac-
tance

Induc-tance

Ground

Duct

Air

CU

AL

CU

AL

CU

AL

mm2

µΩ/m

µΩ/m

kA

pF/m

mA/m

kA

kA

µΩ/m

nH/m

A

A

A

35

524/868

668/1113

5.0/3.2

132

0.79

2.6

0.9

140

460

170

135

155

120

180

145

50

387/641

494/822

6.8/4.4

142

0.85

2.6

1.0

134

430

210

160

185

140

225

175

70

268/443

343/568

9.8/6.3

159

0.95

2.6

1.0

127

400

255

195

225

170

275

215

95

193/320

248/410

13.3/8.5

175

1.05

2.6

1.1

121

390

295

230

260

205

330

260

120

153/253

196/325

17.2/11.0

189

1.13

2.6

1.1

117

370

335

260

300

235

380

300

150

124/206

159/265

21.2/13.5

201

1.21

4.3

1.2

113

360

375

290

335

265

430

335

185

99.1/164

128/211

26.6/17.0

217

1.30

4.3

1.2

109

350

420

330

380

300

490

390

240

75.4/125

98/161

34.9/22.3

237

1.42

4.3

1.3

104

330

480

380

430

345

570

460

300

60.1/100

80/130

43.8/28.0

258

1.55

4.3

1.4

101

320

530

425

480

385

650

520

400

47.0/77.8

64/102

57.3/36.6

282

1.69

5.8

1.5

96

290

590

480

520

420

700

570