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Single core MV HEPR insulated cable 1,8/3 kV

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Single core MV HEPR insulated cable 1,8/3 kV

Key element of the power distribution system to the end-users
Single core with copper or aluminium conductor 1,8/3 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 wires or 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 wires or tapes  
Outer sheath PVC  
Dimensional characteristics
Number of cores 1  
Electrical characteristics
Rated Voltage Uo/U (Um) 1.8 / 3 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 singlecore 1,8-3kv 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

Current
carryng
capacity
laid in
air at
30 °C

trefoil
CU

Max ac 
resistance
of
conductor
at
90 °C

trefoil
CU
Ω/km

Phase
reactance

at 50 Hz



trefoil

Ω/km

Nominal
capacitance







μF/km

25

6.0

2.0

1.8

14.9

450

300

162

148

0.936

0.115

0.27

35

7.0

2.0

1.8

16.0

550

350

192

180

0.675

0.109

0.30

50

8.2

2.0

1.8

17.2

680

390

227

219

0.499

0.104

0.34

70

9.9

2.0

1.8

19.0

910

500

278

275

0.345

0.099

0.40

95

11.5

2.0

1.8

20.7

1180

620

331

339

0.249

0.096

0.45

120

13.1

2.0

1.8

22.4

1430

720

378

392

0.197

0.093

0.50

150

14.3

2.0

1.8

23.6

1700

810

421

445

0.162

0.091

0.55

185

16.1

2.0

1.8

25.5

2050

940

476

516

0.129

0.088

0.60

240

18.5

2.0

1.8

28.0

2600

1140

549

617

0.100

0.085

0.68

300

20.7

2.0

1.8

30.3

3200

1340

620

710

0.080

0.082

0.75

400

23.5

2.0

1.9

33.5

4030

1650

699

824

0.064

0.081

0.83

500

26.5

2.2

2.0

37.3

5080

2030

789

955

0.052

0.079

0.88

630

30.0

2.4

2.2

41.8

6420

2520

884

1101

0.043

0.078

0.92


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