Product

CU/XLPE/CWS/LSZH/SWA/LSZH

36) CU/XLPE/CWS/LSZH/SWA/LSZH 8.7/15kV 3x185/35

37) CU/XLPE/CWS/LSZH/SWA/LSZH 8.7/15kV 3x70/16

Item Description Material Apply Method
1 Conductor Bare copper wire Class 2 stranding
2 Conductor screen Semi-Conductive compound  
3 Insulation XLPE Triple extruding
4 Insulation screen Semi-conductive compound  
5 Wrapper Semi-conductive tape Taping
6 Metallic screen Bare copper wire Stranding
7 Metallic tape Bare copper wire Taping
8 Filler( if necessary)  Flame retardant PP yarn Stranding
9 Wrapper Flame retardant tape Taping
10 Inner sheath LSZH Extruding
11 Armor Galvanized steel wire Stranding
12  Outer sheath Flame retardant LSZH Extruding
Core Identification Red, yellow, green color strips                                                                       
Inner sheath color Black
Outter sheath RED

 

USING CHARACTERISTICS:
Min. temperature for fixing cable(°C) 0
Min. temperature for nominal operation(°C) -40
Min. bending radius after installed(mm) 12D
Cable design standard IEC 60502-2
Flame retardant IEC 60332-1, IEC 60332-3-24(Cat. C)
Low smoke IEC 61034-2
Halogen free IEC 60754-1
System frequency range (Hz) 49-61
Max. Continuous conductor temp.(°C) 90
Max. Conductor temp. under short circuit(°C) 250

 

DIMENSION DATA:

No.

Core No.x
Cross
Section

Nom.
Insulation
thick.

Nom. metallic screen
cross section area per
core

Nom. inner
sheath thick.

Nom. armor
wire diam.

Nom.
outer
sheath
thick.

Approx.
diam.
over outer
sheath

Approx.
weight

Max. DC 
resistance of
Conducotr
at 20 °C

  (mm²) (mm) (mm²) (mm) (mm) (mm) (mm) (kg/km) (Ω/km)
36 3x185/35 4.5 35 1.8 3.15 3.5 83.4 14876 0.0991
37 3x70/16 4.5 16 1.6 2.5 3.0 66.5 8264 0.268

 

CURRENT RATING:

No.

Core No.x
Cross
Section

Buried direct
in the ground

In a buried duct

In air

  (mm²)
/ / A A A
36 3x185/35 374 335 453
37 3x70/16 220 194 253

 Note:

  • Maximum conductor temperature 90°C
  • Ambient air temperature 30 °C
  • Ground temperature 20 °C
  • Depth of laying 0.8 m
  • Thermal resistivity of soil 1,5 K.m/W
  • Thermal resistivity of earthenware ducts 1,2 K.m/W
  • De is overall diameter of cable

Correction factors for soil thermal resistivities other than 1.5K.m/W for three-core cables in ducts

Nominal area of conductor
mm²
Values of soil thermal resistivity K.m/W   
0.7 0.8 0.9 1 2 2.5 3
185 1.16 1.14 1.11 1.09 0.93 0.87 0.83
70 1.15 1.13 1.11 1.09 0.94 0.88 0.83

 

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