BS 6724

BS 6724

Armoured Energy Cables

0.6/1 kV halogen free, flame retardant, armoured, power cables

-20/+90 °C Flame Retardant
IEC 60332-1-2		 Flame Retardant
IEC 60332-3-24
Halogen Free
IEC …

Application

Direct burial in free-draining soil conditions for fixed indoor and outdoor installations. Low levels of emission of smoke and corrosive gasses in case of fire.

Construction 

Cu/XLPE/LSZH/SWA/LSZH

1- Conductor: Copper
2-Insulation: XLPE
3- Filler: LSZH
4-Armour: Galvanized round steel wire
5- Outer sheath: LSZH

Technical Data

Min. bending radius 12 x D (D: Overall diameter)
Max. operating temperature 90ºC
Short circuit temperature: 250ºC

Details

Construction

Cu/XLPE/LSZH/SWA/LSZH
Standard

BS 6724, TS IEC 60502-1
UK Code

694-B

Cross-section (mm²)

Reaction To Fire classification

Cross-section (mm²)

Reaction To Fire classification

Cross-section (mm²)

Reaction To Fire classification

2×1.5

Dca-s2,d2,a2

4 x 1,5

Dca-s2,d2,a2

7 x 1,5

Dca-s2,d2,a2

2×2.5

Dca-s2,d2,a2

4 x 2,5

Dca-s2,d2,a2

7 x 2,5

Dca-s2,d2,a2

2×4

Dca-s2,d2,a2

4 x 4

Dca-s2,d2,a2

7 x 4

Dca-s2,d2,a2

2×6

Dca-s2,d2,a2

4 x 6

Dca-s2,d2,a2

2×10

Dca-s2,d2,a2

4 x 10

Dca-s2,d2,a2

12 x 1,5

Dca-s2,d2,a2

2×16

Dca-s2,d2,a2

4 x 16

Dca-s2,d2,a2

12 x 2,5

Dca-s2,d2,a2

2×25

Dca-s2,d2,a2

4×25

Dca-s2,d2,a2

12 x 4

Dca-s2,d2,a2

2×35

Dca-s2,d2,a2

4×35

Dca-s2,d2,a2

2×50

Dca-s2,d2,a2

4×50

Dca-s2,d2,a2

2×70

Dca-s2,d2,a2

4×70

Dca-s2,d2,a2

19 x 1,5

Dca-s2,d2,a2

2×95

Dca-s2,d2,a2

4×95

Dca-s2,d2,a2

19 x 2,5

Dca-s2,d2,a2

2×120

Dca-s2,d2,a2

4×120

Dca-s2,d2,a2

19 x 4

Dca-s2,d2,a2

2×150

Dca-s2,d2,a2

4×150

Dca-s2,d2,a2

2×185

Dca-s2,d2,a2

4×185

Dca-s2,d2,a2

2×240

Dca-s2,d2,a2

4×240

Dca-s2,d2,a2

2×300

Dca-s2,d2,a2

4×300

Dca-s2,d2,a2

3×1.5

Dca-s2,d2,a2

5 x 1,5

Dca-s2,d2,a2

3×2.5

Dca-s2,d2,a2

5 x 2,5

Dca-s2,d2,a2

3×4

Dca-s2,d2,a2

5 x 4

Dca-s2,d2,a2

3×6

Dca-s2,d2,a2

5 x 6

Dca-s2,d2,a2

3×10

Dca-s2,d2,a2

5 x 10

Dca-s2,d2,a2

3×16

Dca-s2,d2,a2

5 x 16

Dca-s2,d2,a2

3×25

Dca-s2,d2,a2

5 x 25

Dca-s2,d2,a2

3×35

Dca-s2,d2,a2

5 x 35

Dca-s2,d2,a2

3×50

Dca-s2,d2,a2

5 x 50

Dca-s2,d2,a2

3×70

Dca-s2,d2,a2

5 x 70

Dca-s2,d2,a2

3×95

Dca-s2,d2,a2

3×120

Dca-s2,d2,a2

3×150

Dca-s2,d2,a2

3×185

Dca-s2,d2,a2

3×240

Cca-s2,d2,a2

3×300

Cca-s2,d2,a2

Nominal cross-section (mm²)

Nominal Thickness of Insulation (mm)

Approx. Diameter under armour

Approximate overall diameter (mm)

Max. Conductor DC resistance at 20 ºC (ohm/km)

Approximate net weight (kg/km)

GLAND

Cable Cleats

2×1.5

0,6

7,1

11,1

12,1

235

20S

MS5

2×2.5

0,7

8,3

12,4

7,41

292

20S

MS5

2×4

0,7

9,3

13,4

4,61

353

20S

MS6

2×6

0,7

10,5

14,6

3,08

429

20S

MS6

2×10

0,7

11,8

16,0

1,83

555

20

MS7

2×16

0,7

13,8

18,7

1,15

824

20

MS8

2×25

0,9

17,2

22,2

0,727

1141

25

MS9

2×35

0,9

19,4

25,2

0,524

1556

25

MS10

2×50

1

19,9

26,0

0,387

1622

25

MS11

2×70

1,1

23,0

29,3

0,268

2120

32

MS12

2×95

1,1

26,0

33,3

0,193

2913

32

MS14

2×120

1,2

29,0

36,4

0,153

3499

40

MS16

2×150

1,4

31,9

39,5

0,124

4146

40

MS16

2×185

1,6

35,7

44,6

0,0991

5339

50S

MS18

2×240

1,7

40,8

49,9

0,0754

6667

50

MS20

2×300

1,8

44,8

54,1

0,0601

8036

63S

MT9

2×400

2

51,0

60,7

0,0470

10200

63

MT10

3×1.5

0,6

7,5

11,5

12,1

257

20S

MS5

3×2.5

0,7

8,9

12,9

7,41

329

20S

MS6

3×4

0,7

10,0

14,0

4,61

398

20S

MS6

3×6

0,7

11,2

15,3

3,08

491

20S

MS7

3×10

0,7

12,7

17,6

1,83

746

20

MS7

3×16

0,7

14,8

19,8

1,15

993

25

MS8

3×25

0,9

18,6

24,4

0,727

1443

25

MS10

3×35

0,9

20,7

26,8

0,524

1804

32

MS11

3×50

1

22,5

28,6

0,387

2176

32

MS12

3×70

1,1

26,0

32,3

0,268

2871

32

MS14

3×95

1,1

29,7

37,1

0,193

3968

40

MS16

3×120

1,2

33,0

40,6

0,153

4795

50S

MS16

3×150

1,4

37,1

45,9

0,124

6156

50S

MS20

3×185

1,6

41,0

49,9

0,0991

7360

50

MS20

3×240

1,7

46,0

55,3

0,0754

9238

63S

MT9

3×300

1,8

51,2

60,7

0,0601

11232

63

MT10

3×400

2

58,4

68,3

0,0470

14315

75S

MT11

Nominal crosssectional area (mm²)

Minimum number of wires in the conductor

Maximum resistance of conductor at 20°C

Circular

Circular Compacted

Shaped

Annealed copper conductor

Aluminium or aluminium alloy conductor

Cu

Al

Cu

Al

Cu

Al

Plain wires

Metal-coated

wires

1,5

7

–

6

–

–

–

12,1

12,2

2,5

7

–

6

–

–

–

7,41

7,56

4

7

–

6

–

–

–

4,61

4,7

6

7

–

6

–

–

–

3,08

3,11

10

7

7

6

6

–

–

1,83

1,84

3,08

16

7

7

6

6

–

–

1,15

1,16

1,91

25

7

7

6

6

6

6

0,727

0,734

1,2

35

7

7

6

6

6

6

0,524

0,529

0,868

50

19

19

6

6

6

6

0,387

0,391

0,641

70

19

19

12

12

12

12

0,268

0,27

0,443

95

19

19

15

15

15

15

0,193

0,195

0,32

120

37

37

18

15

18

15

0,153

0,154

0,253

150

37

37

18

15

18

15

0,124

0,126

0,206

185

37

37

30

30

30

30

0,0991

0,1

0,164

240

37

37

34

34

34

34

0,0754

0,0762

0,125

300

61

61

34

34

34

34

0,0601

0,0607

0,1

400

61

61

53

53

53

53

0,047

0,0475

0,0778
The above table is in accordance with BS EN 60228

Conductor cross- sectional area

Reference Method C

Reference Method E

Reference Method D

Clipped direct

In free air or on a perforated cable tray etc, horizantal or vertical

Direct in ground or in ducting in ground, in or around building

1 two core cable, single-phase AC or DC

(A)

Three or four core cable, three-phase AC

(A)

1 two core cable, single-phase AC or DC

(A)

Three or four core cable, three-phase AC

(A)

1 two core cable, single-phase AC or DC

(A)

Three or four core cable, three-phase AC

(A)

1,5

27

23

29

25

25

21

2,5

36

31

39

33

33

28

4

49

42

52

44

43

36

6

62

53

66

56

53

44

10

85

73

90

78

71

58

16

110

94

115

99

91

75

25

146

124

152

131

116

96

35

180

154

188

162

139

115

50

219

187

228

197

164

135

70

279

238

291

251

203

167

95

338

289

354

304

239

197

120

392

335

410

353

271

223

150

451

386

472

406

306

251

185

515

441

539

463

343

281

240

607

520

636

546

395

324

300

698

599

732

628

446

365

400

787

673

847

728

–

–
The above table is in accordance with BS 7671:2018

Conductor cross- sectional area

Two core cable DC

Two core cable,single phase AC

Three or four core cable,three phase AC

mV/A/m

mV/A/m

mV/A/m

1,5

31

31

27

2,5

19

19

16

4

12

12

10

6

7,9

7,9

6,8

10

4,7

4,7

4,0

16

2,9

2,9

2,5

r

x

z

r

x

z

25

1,85

1,85

0,160

1,90

1,60

0,140

1,65

35

1,35

1,35

0,155

1,35

1,15

0,135

1,15

50

0,98

0,99

0,155

1,00

0,86

0,135

0,87

70

0,67

0,67

0,150

0,69

0,59

0,130

0,60

95

0,49

0,50

0,150

0,52

0,43

0,130

0,45

120

0,39

0,40

0,145

0,42

0,34

0,130

0,37

150

0,31

0,32

0,145

0,35

0,28

0,125

0,30

185

0,25

0,26

0,145

0,29

0,22

0,125

0,26

240

0,195

0,20

0,140

0,24

0,175

0,125

0,21

300

0,155

0,16

0,140

0,21

0,140

0,120

0,185

400

0,120

0,13

0,140

0,190

0,115

0,120

0,165
The above table is in accordance with BS 7671:2018