P7 or P7/P14 BFOU 6/10kV Fire resistant NEK606 MV cable

P7 or P7P14 BFOU 610kV

Applications : These cables are fire resistant, flame retardant, low smoke, halogen free and mud resistant, used for fixed installation for medium voltage power.
Standards : IEC 60092-354; IEC 60092-351; IEC 60092-359; IEC 60332-1; IEC 60331-21; IEC 60332-3-22; IEC 60754-1,2; IEC 61034-1,2; NEK 606:2004
Conductors : Circular tinned annealed stranded compacted copper to IEC 60228 class 2.
Conductor Screen : Semi conducting material.
Insulation : Mica tape + Halogen free EPR.
Insulation Screen : Semi conducting material and tinned copper wire braid.
Bedding : Halogen free compound.
Armour : Tinned copper wire braid.
Outer Sheath : Halogen free thermosetting compound, SHF2 (for TYPE P7), or halogen free mud resistant thermosetting compound, SHF MUD (for TYPE P7/P14), coloured red.

Electrical Characteristics :

Nominal Cross Section Area

mm²

25

35

50

70

95

120

150

Nominal Conductor Diameter

mm

6.5

7.4

8.7

10.3

12.2

13.8

15.1

Maximum DC Resistant@20℃

Ω/km

0.734

0.529

0.391

0.27

0.195

0.154

0.126

Continuous Current Rating@45℃1 Core

A

127

157

196

242

293

339

389

Continuous Current Rating@45℃3 Core

A

89

110

137

169

205

237

272

Short Circuit Current 1s

A

3580

5010

7150

10020

13590

17170

21460

Operating Voltage

KV

6/10

6/10

6/10

6/10

6/10

6/10

6/10

Nominal Cross Section Area

mm²

185

240

300

400

500

630

Nominal Conductor Diameter

mm

17.0

19.6

21.9

24.5

27.5

32.3

Maximum DC Resistant@20℃

Ω/km

0.1

0.0762

0.0607

0.0475

0.0369

0.0286

Continuous Current Rating@45℃1 Core

A

444

522

601

690

780

890

Continuous Current Rating@45℃3 Core

A

311

365

421

483

546

623

Short Circuit Current 1s

A

26470

34340

42930

57230

71540

90140

Operating Voltage

KV

6/10

6/10

6/10

8.7/15

8.7/15

8.7/15

Ambient Temperature Correction Factors :

Ambient Temperature Correction Factors

35

40

45

50

55

60

65

70

75

80

Rating Factor

1.1

1.05

1.0

0.94

0.88

0.82

0.74

0.67

0.58

0.47

Mechanical and Thermal Properties :

Bending Radius :15×OD (during installation); 9×OD (fixed installed).

Temperature Range : -20℃ ~ +90℃.

Dimensions and Weight :

Construction No. of cores×Cross section

(mm²)

Nominal Insulation Thickness

mm

Nominal Sheath Thickness

mm

Nominal Overall Diameter

mm

Nominal Weight

kg/km

Inner

Outer

1×16

3.4

1.5

1.2

25.6

990

1×25

3.4

1.6

1.2

27.1

1150

1×35

3.4

1.7

1.2

28.5

1320

1×50

3.4

1.7

1.3

29.9

1500

1×70

3.4

1.8

1.3

31.9

1810

1×95

3.4

1.8

1.4

34.0

2160

1×120

3.4

1.9

1.4

36.1

2610

1×150

3.4

2.0

1.5

38.1

2990

1×185

3.4

2.0

1.5

39.9

3440

1×240

3.4

2.2

1.6

43.1

4180

1×300

3.4

2.3

1.7

45.9

4930

1×400

3.4

2.4

1.7

49.0

5900

1×500

3.4

2.5

1.8

52.5

7070

1×630

3.4

2.7

1.9

57.0

8690

3×16

3.4

2.4

1.8

50.2

3780

3×25

3.4

2.5

1.8

53.2

4380

3×35

3.4

2.6

1.9

56.4

5040

3×50

3.4

2.7

2.0

59.3

5740

3×70

3.4

2.9

2.1

63.7

6900

3×95

3.4

3.1

2.2

68.4

8270

3×120

3.4

3.2

2.3

72.1

9470

3×150

3.4

3.3

2.4

76.0

10800

3×185

3.4

3.5

2.5

80.8

12370

3×240

3.4

3.7

2.7

88.2

15040

3×300

3.4

3.9

2.9

94.0

17450