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Home  >  > Products  > Outdoor Energy cables  > MV underground power cables  > Three cores unarmoured MV HEPR cable 6/10 kV

Three cores unarmoured MV HEPR cable 6/10 kV
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Three cores unarmoured MV HEPR cable 6/10 kV

Key element of the power distribution system to the end-users
Three cores with copper or aluminium conductor 6/10 kV

MediaStripG7
Standards
International  IEC 60502-2
Description

Application

MV network is a key element of the power distribution system to the end-users; its performance and reliability are strictly related to the quality of cable and accessories.

 

In the medium voltage segment, HEPR insulation permits good cable performance at conductor's operating temperature as high as 90°C, with peaks of 130°C, insulation provides also good short circuit resistance up to 250°C and matches high current carrying capacity with good safety margins.MEDIASTRIPG7 is an easy stripping cable (the outer semiconductor can be removed at room temperature )

 

Construction

  • Conductor : copper or aluminium (stranded conductors flexibility class 2)
  • Insulation : HEPR G7
  • Screen : copper tapes
  • Outer sheath : PVC

 

Upon request may provide cables fire retardant according to :

IEC 60332-3-22 (CAT A)
IEC 60332-3-23 (CAT B)
IEC 60332-3-24 (CAT C)


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Characteristics
Construction characteristics
Conductor material Copper or Aluminium  
Insulation HEPR(Cross-linked elastomeric)  
Screen Copper tape  
Outer sheath PVC  
Dimensional characteristics
Number of cores 3  
Electrical characteristics
Rated Voltage Uo/U (Um) 6/10 kV  
Usage characteristics
Bending factor when laying 14(xD)  
Flame retardant IEC 60332-1-2  
Max. conductor temperature in service 90°C  
Minimum installation temperature 0°C  

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HEPR MV threecores 6-10kV unarmored

 

 

 

 

 

 

 

 

 

 

 

 

Nominal
cross 
section






mm²

Nominal 
diameter
of
conductor





mm

Insulation
thickness







mm

Oversheath
thickness







mm

Overall
diameter
approx






mm

Nominal
net weight
copper
cable


CU


kg/km

Nominal
net weight
aluminium
cable


AL


kg/km

Current
carryng
capacity
laid in
ground at
20°C
Rt:1 °Cm/WA
trefoil
CU
A 

Current
carryng
capacity
laid in
air at
30 °C

trefoil
CU
A 

Max ac 
resistance
of
conductor
at
90 °C

trefoil
CU
Ω/km

Phase
reactance

at 50 Hz



trefoil

Ω/km

Nominal
capacitance







μF/km

3x25

6.0

3.4

2.2

40.7

2510

2060

147

145

0.936

0.120

0.22

3x35

7.0

3.4

2.3

43.3

2960

2350

178

175

0.675

0.114

0.24

3x50

8.2

3.4

2.4

46.1

3480

2620

210

207

0.499

0.109

0.26

3x70

9.9

3.4

2.5

50.2

4390

3160

257

260

0.345

0.102

0.30

3x95

11.5

3.4

2.6

54.1

5430

3740

307

315

0.250

0.098

0.33

3x120

13.1

3.4

2.7

57.9

6380

4240

350

365

0.198

0.095

0.36

3x150

14.3

3.4

2.8

60.8

7440

4780

388

408

0.162

0.092

0.39

3x185

16.1

3.4

2.9

65.1

8850

5510

440

468

0.130

0.089

0.42

3x240

18.5

3.4

3.1

70.9

10990

6620

509

550

0.100

0.086

0.48

3x300

20.7

3.4

3.3

76.3

13360

7770

579

630

0.0815

0.084

0.53

3x400

23.5

3.4

3.5

83.1

16410

9260

655

719

0.0658

0.081

0.58

3x500

26.5

3.4

3.7

90.3

20280

11140

745

835

0.0536

0.079

0.65


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