Medium Voltage Cables to IEC 60502

Unarmoured Cables

Steel Round-Wire Armoured Cables

Nom.
Cross-
Section
Area

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

4.5

0.1

16

2.4

44

2100

1620

1.4

2.5

2.7

52

4560

4080

35

4.5

0.1

16

2.5

46

2510

1840

1.4

2.5

2.7

54

5080

4410

50

4.5

0.1

16

2.6

49

2980

2080

1.5

2.5

2.9

57

5740

4840

70

4.5

0.1

16

2.7

53

3760

2470

1.6

2.5

3.0

62

6770

5480

95

4.5

0.1

16

2.8

57

4700

2900

1.6

2.5

3.1

65

7890

6100

120

4.5

0.1

16

3.0

60

5590

3320

1.7

2.5

3.2

69

8970

6700

150

4.5

0.1

25

3.1

64

6560

3760

1.8

3.15

3.4

74

11030

8220

185

4.5

0.1

25

3.2

67

7800

4300

1.8

3.15

3.5

78

12490

8980

240

4.5

0.1

25

3.4

74

9820

5220

1.9

3.15

3.7

84

15040

10440

300

4.5

0.1

25

3.5

79

11800

6010

2.0

3.5

3.8

90

17920

12130

400

4.5

0.1

35

3.7

86

14620

7240

2.1

3.5

4.1

98

21360

13970

500

4.5

0.1

35

3.8

93

18160

9355

2.2

3.5

4.3

106

26490

17830

Steel Flat Wire Armoured Cables

Double Steel Tape Armoured Cables

Nom.
Cross-
Section
Area

Nom.
Bedding
Thickness

Armour
Wire
Size

Nom.
Sheath
Thickness

Approx.
Overall
Diameter

Approx.
Weight

Nom.
Bedding
Thickness

No of Steel tapes x Nom Tape Thickness

Nom.
Sheath
Thickness

Approx.
Overall
Diameter

Approx.
Weight

CU

AL

CU

AL

mm2

mm

mm

mm

mm

kg/km

mm

mm

mm

mm

kg/km

25

1.4

0.8

2.4

48.0

3915

3495

1.4

2x0.5

2.5

48.8

3770

3345

35

1.4

0.8

2.5

50.8

4510

3890

1.4

2x0.5

2.6

51.6

4350

3735

50

1.5

0.8

2.6

53.3

5020

4270

1.5

2x0.5

2.7

54.1

4855

4105

70

1.6

0.8

2.7

57.0

5990

4870

1.6

2x0.5

2.8

57.8

5815

4690

95

1.6

0.8

2.8

61.2

7170

5600

1.6

2x0.5

3.0

62.2

7010

5435

120

1.7

0.8

2.9

65.1

8340

6320

1.7

2x0.5

3.1

66.1

8170

6145

150

1.8

0.8

3.0

68.3

9440

6955

1.8

2x0.5

3.2

69.3

9260

6770

185

1.8

0.8

3.2

72.8

10990

7880

1.8

2x0.5

3.3

73.6

10760

7650

240

1.9

0.8

3.3

78.3

13370

9155

1.9

2x0.5

3.4

79.1

13120

8900

300

2.0

0.8

3.5

83.7

15760

10460

2.0

2x0.8

3.6

86.0

16360

11070

400

2.1

0.8

3.7

90.5

19050

12260

2.1

2x0.8

3.9

93.0

19750

12960

500

2.2

0.8

3.9

98.2

23160

14430

2.2

2x0.8

4.1

100.7

23900

15190

Nom. Cross- Section Area

D C Resistance CU / AL

A C Resistance CU / AL

Short Circuit Rating of Conductor CU / AL
1 sec

Capacitance

Charging
Current

Short Circuit Rating of Copper Wire Screen
Per Core
1 sec

Short Circuit Rating of Copper Tape Screen Per Core
1 sec

Reactance

Inductance

mm²

µΩm

µΩ/m

kA

pF/m

mA/m

kA

kA

µΩm

nH/m

25

727/1200

927/1538

3.6/2.3

176

0.48

2.6

0.6

132

410

35

524/868

668/1113

5.0/3.2

193

0.53

2.6

0.6

123

390

50

387/641

494/822

6.8/4.4

211

0.58

2.6

0.7

116

370

70

268/443

343/568

9.8/6.3

240

0.65

2.6

0.7

110

350

95

193/320

248/410

13.3/8.5

267

0.73

2.6

0.8

105

330

120

153/253

196/325

17.2/11.0

291

0.79

2.6

0.8

102

320

150

124/206

159/265

21.2/13.5

312

0.85

4.3

0.9

98

310

185

99.1/164

128/211

26.6/17.0

340

0.93

4.3

0.9

95

300

240

75.4/125

98/161

34.9/22.3

375

1.02

4.3

1.0

91

290

300

60.1/100

80/130

43.8/28.0

411

1.12

4.3

1.1

89

280

400

47.0/77.8

64/102

57.3/36.6

454

1.24

5.8

1.2

84

270

500

36.6/60.5

51/81

72.3/46.2

504

1.34

5.8

1.3

78

250