M3N2W 1*400

Description

Description

Standards

  • Product
    IEC 60228; IEC 60502-2
  • Test
    IEC 60332-1-2; IEC 60332-3

Scope

This specification covers Single Core armoured cables, conforming to IEC 60502-2 Specifications.

Construction

2.1 Conductor

Plain, annealed electrolytic copper conductors, circular stranded,conforming to the applicable requirements of IEC 60228.

2.2 Insulation

Extruded inner semi conductive layer, XLPE insulation and  extruded outer semi conductive layer .

2.3 Metallic Screen Layer

Copper tape

2.4 Separation Sheath

Special Hydrocarbon resistant and fire retardant PVC .

2.5 Armour

ALUMINUM WIRES

2.5 Sheath

Special Hydrocarbon resistant and fire retardant PVC .

Tests

All tests required by IEC 60502-2 either on Raw material or on finished products.

TEST AT WORKS ARMORED CABLES ACCORDING TO IEC 60502-2 & IEC 60332-3

Routine Tests

 -          Max. DC conductors resistance at 20°C acc. to IEC 60228 & IEC 60502-2 parag.16.1 & 16.2

 -          High voltage test acc. to IEC 60502-2  parag. 16.1 & 16.4

 -          Max. partial discharge test  at 1.73 Uo acc. to IEC 60502-2  parag.16.1 & 16.3

Liban Cables will carry out these tests on all the lengths and tests certificates will be provided.

 

Sample Tests

 -          Check of the build - up and color coding of the cable                                                      

 -          Check of dimensions 

            Insulation                      :           according to IEC 60502-2           Parag.  17.5.2

            Separation sheath         :           according to IEC 60502-2           Parag.  17.5.3

            Armouring                     :           according to IEC 60502-2          Parag.  17.7

            Oversheath                   :           according to IEC 60502-2           Parag.  17.5.3

-           Hot Set Test                  :           according to IEC 60502-2           Parag.  17.10

These tests will be carried out on one length of each size during each inspection .

Tests certificates will be provided by Liban Cables

 

Type Tests

Mechanical characteristics on insulation and sheaths material (tensile strength and elongation at break) in accordance with IEC 60502-2.

Fire retardance test according to IEC 60332-3.

These tests will be carried out on one length of the order .

Tests certificates will be provided by Liban Cables

DRAWING MV 1C AWA

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor shape
Circular
Material of the inner semi-conductor
Extruded
Armour type
Aluminium Wire
Insulation
XLPE
Material of the external semi-conductor
Extruded fully bonded
Screen
Copper tape
Outer sheath
Special PVC compound
Colour
Black
Conductor flexibility
-

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
400 mm²
Conductor diameter
23.2 mm
Nominal insulation thickness
3.4 mm
Nominal armour wire diameter
2.5 mm
Nominal outer sheath thickness
2.4 mm
Nominal outer diameter
44.0 mm
Approximate net weight
5001 kg/km

Electrical characteristics

Electrical characteristics

Test voltage
21 kV
Rated Voltage Uo/U (Um)
6 / 10 (12) kV
Perm current rating in air 30°C
845 A
Permissible current rating when buried
590 A
Max. DC resistance of the conductor at 20°C
0.047 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.0646 Ohm/km
Permissible short circuit current conductor 1s
57.8 kA
Thermal soil resistivity wet zone
1.5 °K.m/W

Mechanical characteristics

Mechanical characteristics

Cable flexibility
8xD
Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Fire retardant
IEC 60332-3
Flame retardant
IEC 60332-1-2
Laying depth, center of system
800 mm
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Max. conductor temperature in service
90 °C
Operating temperature, range
-15 ... 55 °C
Short-circuit max. conductor temperature
250 °C
U.V resistance
Yes

Resources

Resources

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