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Three cores armoured MV HEPR cable 26/45 kV

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Three cores armoured MV HEPR cable 26/45 kV

Key element of the power distribution system to the end-users
Three cores with copper or aluminium conductor 26/45 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
  • Inner sheath: PVC
  • Armour: double steel 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  
Inner sheath PVC  
Armour type Double steel tapes  
Outer sheath PVC  
Dimensional characteristics
Number of cores 3  
Electrical characteristics
Rated Voltage Uo/U (Um) 26 / 45 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 three cores 26-45kV armoured

 

 

 

 

 

 

 

 

 

 

 

 

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

3x70

9.9

10.0

3.7

91.0

11570

10340

243

261

0.345

0.150

0.14

3x95

11.5

10.0

3.8

95.0

12920

11230

290

315

0.250

0.142

0.15


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