CU/XLPE/CTS/LSZH/AWA/LSZH 1x240 mm2

Description

Description

Standards

  • Product
    BS 7835

Application:

These are cables with low dielectric losses used in energy networks with sudden load changes where mechanical stresses expected. Laid in residential or industrial areas, underground or in ducts.

Construction:

  1. Conductor:Copper
  2. Conductor screen:Semi-conducting compound(XLPE)
  3. Insulation:XLPE
  4. Insulation screen:Semi-conducting compound(XLPE)
  5. Semi-conducting tape:Crape paper
  6. Metallic screen:Copper Wires / Copper tapes
  7. Separation sheath:LSZH
  8. Wire armour:Single layer aluminium wire
  9. Outer sheath:LSZH

 

Marking:

ELECTRIC CABLE  22000 V  BS 7835  NEXANS i Number of cores x cross section  "YEAR"

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor shape
Circular stranded (RM)
Material of the inner semi-conductor
XLPE
Insulation
XLPE (chemical)
Material of the external semi-conductor
XLPE
Screen
Copper wires or tapes
Armour type
Single layer of aluminium wires
Outer sheath
LSZH
Halogen free
IEC 60754-1

Dimensional characteristics

Dimensional characteristics

Number of cores
1
Conductor cross-section
240 mm²
Nominal outer diameter
43.0 mm
Approximate weight
3750 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
12.7 / 22 (24) kV
Max. DC resistance of the conductor at 20°C
0.075 Ohm/km
Approx. inductance, flat formation
0.405 mH/km
Approx. inductance, trefoil formation
0.359 mH/km
Nominal phase capacitance
0.296 µF / km
Perm. current rating buried 20°C - flat formation
470 A
Perm. current rating buried 20°C - trefoil formation
469 A
Perm. current rating in air 30°C - flat formation
745 A
Perm. current rating in air 30°C - trefoil formation
641 A
Permissible short circuit current conductor 1s
34.3 kA
Permissible short circuit current screen 1s
.96 kA

Mechanical characteristics

Mechanical characteristics

Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Operating temperature, range
-20 ... 60 °C
Short-circuit max. conductor temperature
250 °C
Flame retardant
IEC 60332-3 Cat. C
Bending factor when laying
15 (xD)
Gases corrosivity
IEC 60754-2
Max. conductor temperature in service
90 °C
Smoke density
IEC 61034

Resources

Resources

Declaration of Performance

  • Declaration of Performance n� : 1000699-TRDE
  • Certification Date : 3/12/19
  • AVCP (Assessment and Verification of Constancy of Performance) : System 3
  • Notified body : 1008
  • Declared performance : Dca-s1,d2,a1

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