ARE4H5E 18/30kV 1x150 SK1

Description

Description

Standards

  • Product
    CEI 20-68; HD 620; IEC 60502-2

Single core cables with aluminium conductor, reduced thickness XLPE insulation, aluminium tape screen, shock resistant PE outer sheath.

Application:

Suitable for fixed installation indoor or outdoor, laying in air or directly or indirectly buried. The special outer sheath provides an excellent protection against impacts and mechanical stress. Cables shock resistance has been evaluated by the abrasion and impact tests included in CEI 20-68 standard. This type of cable can be directly buried, without additional protections, because it is comparable to an armoured cable.

Construction:

  • Conductor: stranded, compacted, round aluminium – Cl. 2 (IEC 60228).
  • Conductor screen: extruded semiconducting compound.
  • Insulation: extruded polyethylene (XLPE) compound.
  • Insulation screen: extruded semiconducting compound – fully bonded.
  • Longitudinal watertightness: semiconducting water blocking tape.
  • Screen and radial watertightness: aluminium tape longitudinally applied (nominal thickness: 0,2 mm).
  • Outer sheath: extruded polyethylene (PE) compound. Colour: red.

Functional characteristics:

  • Rated voltages U0/U: 18/30 kV
  • Max. operating temperature of conductor: 90°C
  • Max. short circuit temperature of conductor: 250°C (max 5s)
  • Max. short circuit temperature of screen: 150°C
  • Min. installation temperature: -25°C
  • Max. tensile strength on the conductor during installation: 50 N/mm2
  • Min. bending radius during installation: 14 Dcable

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Aluminum
Conductor shape
Round, stranded and compacted
Conductor flexibility
Class 2 acc. to IEC 60228
Material of the inner semi-conductor
Extruded semiconducting compound
Insulation
Extruded XLPE compound
Material of the external semi-conductor
Extruded semiconducting compound - fully bonded
Material used for longitudinal water tightness
Semiconducting swellable tape
Screen
Aluminium tape
Outer sheath
Extruded PE compound - impacts resistant
Sheath colour
Red

Dimensional characteristics

Dimensional characteristics

Number of cores
1
Conductor cross-section
150 mm²
Conductor diameter
14.3 mm
Minimum insulation thickness
6.2 mm
Diameter over insulation
28.5 mm
Screen thickness
200 µm
Nominal outer sheath thickness
4.0 mm
Nominal outer diameter
41.5 mm
Approximate weight
1430 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
18 / 30 (36) kV
Max. DC resistance of the conductor at 20°C
0.206 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.265 Ohm/km
Perm. current rating buried 20°C - trefoil formation
281 A
Perm. current rating in air 30°C - trefoil formation
375 A
Permissible short circuit current conductor 1s
14.2 kA
Permissible short circuit current screen 0.5s
2.1 kA
Thermal soil resistivity dry zone
1.5 °K.m/W
Grounding type
Solid bonding

Mechanical characteristics

Mechanical characteristics

Mechanical resistance to impacts
Shocks resistant, acc. to CEI 20-68

Usage characteristics

Usage characteristics

Laying depth, center of system
800 mm

Resources

Resources

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