1x400

Description

Description

Standards

  • International
    IEC 60332-1; IEC 60502-2
  • National
    BS 6622

Application

These power cables are used for electricity supply in medium voltage installation system. They are well adapted to underground use in industrial application where chemical and mechanical protections are needed.  This group is complying with IEC 60502-2 or BS 6622.
 

Design

1. Conductor

Stranded bare copper class 2 acc. to IEC 60228 or equivalent

2. Insulation

Triple extruded Inner semi conductive layer  - Cross Linked Polyethylene 'XLPE' - Outer semi conductive layer

3. Metalic Screen

Copper wire screen with open helix copper tape

4. Inner Sheathing or Bedding

Extruded PVC 

5. Armour

Aluminum Wire Armour "AWA"

6. Outer Sheath

Polyvinyl Chloride 'PVC'

 Options :

      - Flame retardant : 'CAT A, CAT B, CATC' to IEC60332 or equivalent.

      - Ozone resistant.

      - Oil resistant.

      - Anti termite.

Sheathing layers can be Halogen Free Flame Retardant "HFFR", or Polyethylene '"PE'


Installation Conditions:

1.Air Temperature : 30 Deg.

2.Ground Temperature : 20 Deg

3.Soil Thermal Resistivity : 1.5 km/w

4.Depth of lay : 0.8 m

 All dimensions have tolerance +-7 %

Marking

 no. of cores x  conductor size mm2  Cu/XLPE/AWA/PVC  Voltage grade V  Standard  MADE IN QATAR  QICC - Nexans  Year  Meters

Custom marking available

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor flexibility
Stranded class 2
Conductor shape
Circular compacted
Material of the inner semi-conductor
Semi-conducting compound
Insulation
XLPE (Cross-linked Polyethylene)
Material of the external semi-conductor
Semi-conducting compound
Screen
Copper wire + copper tape
Inner sheath
PVC
Armour type
Aluminium Wire
Outer sheath
PVC compound
Sheath colour
Black

Dimensional characteristics

Dimensional characteristics

Number of cores
1
Conductor cross-section
400 mm²
Nominal outer diameter
- inches
Nominal outer diameter
52.0 mm
Screen section
35 mm²
Approximate weight
5850 kg/km

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Nominal phase capacitance
0.37 µF / km
Permissible current rating in open air
845 A
Permissible current rating when buried
572 A
Screen fault current carrying capacity for 1 second
5.18 kA
Voltage drop, single phase
0.12 V/A.km
Maximal current density rating
- A/mm²
Inductive resistance at 50Hz
- Ohm/km
Max. DC resistance of the conductor at 20°C
0.047 Ohm/km

Mechanical characteristics

Mechanical characteristics

Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Max. conductor temperature in service
90 °C
Flame retardant
IEC 60332-1
Bending factor when laying
30 (xD)
Bending factor when installed
15 (xD)
Short-circuit max. conductor temperature
250 °C

Resources

Resources

Selling & delivery Information


Note: On request we are delivering three single core laid up cables on one drum

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