FR-N20XA8E-AR 1x240/0.15 Eca N/G BGN9 GL

Description

Description

Standards

  • National
    NF C33-226

Usage

NF C33-226  cables are the new generation of cables for public power distribution network 12/20 kV.
They are AD8 (water pressure < 0,2 bar), AF2 and AN3 complying with NF C13-200 standard.
Sheath is anti-termite resistant.

 

Design

The cable is made of 1 or 3 bunched cores.

 

Electrical specifications

Calculations carried out in accordance with the IEC 60287 recommendation, given for information purposes, valid for a single joint trefoil connection and earthing of the screen at both ends.
The installation conditions must respect the rules of the art.
For the buried part, the cables are considered to be laid directly in the ground.
For the part in the open air, the cables are assumed to be laid on perforated cable trays, sheltered from the sun, at a distance from the walls equal to at least one cable diameter.

Soil resistivity: 0.85 K.m/W
Floor temperature: 20°C
Installation depth: 800 mm

Cable in the open air
Air temperature: 30°C

Short circuit characteristics according to IEC 60949.

Voltage drop is calculated for cos φ   = 0,9.

Options

NF C33-226 cables can be manufactured with the following options:

  • Rated voltage 18/30(36)kV
  • Version with messenger (+P50) in 3x1x50, 95 and 150mm² aluminium
  • Re-enforced burying resistance (NEXANS EDR MAX) is ensured with an extruded polyethylene protection.

Low carbon offer

Low carbon at a glance

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Aluminum
Conductor flexibility
Stranded class 2
Conductor shape
Circular compacted
Material of the inner semi-conductor
Extruded
Insulation
XLPE
Material of the external semi-conductor
Extruded strippable smooth elastomer
Material used for longitudinal water tightness
Swellable tape
Screen
Longitudinal aluminium tape
Outer sheath
PE
Sheath colour
Black + 2 Grey Lines
Protection
None

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
240 mm²
Number of cores
1
Screen thickness
150 µm
Nominal outer diameter
34.6 mm
Approximate diameter of the bunched cable
- mm
Approximate weight
1314 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
12 / 20 (24) kV
A.C. Conductor resist. at 90 °C - trefoil formation
0.162 Ohm/km
Capacity of phase cores approx.
0.37 µF / km
Inductive resistance at 50Hz
0.1 Ohm/km
Max. DC resistance of the conductor at 20°C
0.125 Ohm/km
Nominal inductance
0.32 mH/km
Perm. current rating buried 20°C - trefoil formation
466 A
Perm. current rating in air 30°C - trefoil formation
499 A
Permissible short circuit current conductor 1s
23.1 kA
Permissible short circuit current screen 1s
2.43 kA
Voltage drop, 3 conductors
0.33 V/A.km
Voltage drop, single phase
0.19 V/A.km

Mechanical characteristics

Mechanical characteristics

Mechanical resistance to impacts
AG4
Maximum admissible traction load (Tm)
720 daN

Usage characteristics

Usage characteristics

Ambient installation temperature, range
-10 ... 50 °C
Weather resistance
AN3 / AF2
Resistant to termites
Yes
Minimum dynamic operating bending radius
900.0 mm
Minimum static operating bending radius
450 mm
Water proof
AD8

Resources

Resources

Selling & delivery Information

Marking

Example NEXANS - plant number - NF C33-226 int. designation- section - Al - 12/20 (24) kV - year - month -  installation guide type - G sheath thickness - SC semi-conductor thickness - EC screen thickness - RT installation temperature Eca

Metric marking

Marking "LOW CARBON"

The marking is metric over one core sheath, as well as a tracing mark.

Core identification: 1, 2, 3 helix-wise

Declaration of Performance

  • Declaration of Performance n� : 1001243-FRBG
  • Certification Date : 6/21/24
  • AVCP (Assessment and Verification of Constancy of Performance) : System 3
  • Notified body : NB2658
  • Declared performance : Eca

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