3C AL Cond. double black steel tape armored cables 12/20KV

Products

M5A3B 3*120 NEW

Nexans ref. M5A3B 002570 - Country ref. M5A3B 3*120//EDL-SP

  • Conductor cross-section: 120 mm²
  • Conductor diameter: 12.8 mm
  • Nominal outer sheath thickness: 3.3 mm
  • Nominal outer diameter: 66.0 mm
  • Approximate net weight: 4767 kg/km
  • Perm current rating in air 30°C: 274 A
  • Permissible current rating when buried: 232 A
  • Max. DC resistance of the conductor at 20°C: 0.323 Ohm/km
  • A.C. Conductor resist. 50Hz and at 90 °C: 0.253 Ohm/km
  • Permissible short circuit current conductor 1s: 11.6 kA

M5A3B 3*185

Nexans ref. M5A3B 004385 - Country ref. M5A3B 3*185//EDL-SP

  • Conductor cross-section: 185 mm²
  • Conductor diameter: 16.2 mm
  • Nominal outer sheath thickness: 3.5 mm
  • Nominal outer diameter: 73.0 mm
  • Approximate net weight: 6057 kg/km
  • Perm current rating in air 30°C: 354 A
  • Permissible current rating when buried: 293 A
  • Max. DC resistance of the conductor at 20°C: 0.164 Ohm/km
  • A.C. Conductor resist. 50Hz and at 90 °C: 0.21 Ohm/km
  • Permissible short circuit current conductor 1s: 17.9 kA

M5A3B 3*240

Nexans ref. M5A3B 004240 - Country ref. M5A3B 3*240//EDL-SP

  • Conductor cross-section: 240 mm²
  • Conductor diameter: 17.9 mm
  • Nominal outer sheath thickness: 3.7 mm
  • Nominal outer diameter: 79.0 mm
  • Approximate net weight: 7363 kg/km
  • Perm current rating in air 30°C: 415 A
  • Permissible current rating when buried: 338 A
  • Max. DC resistance of the conductor at 20°C: 0.161 Ohm/km
  • A.C. Conductor resist. 50Hz and at 90 °C: 0.125 Ohm/km
  • Permissible short circuit current conductor 1s: 23.1 kA

M5A3B 3*300

Nexans ref. M5A3B 002582 - Country ref. M5A3B 3*300//EDL-SP

  • Conductor cross-section: 300 mm²
  • Conductor diameter: 20.3 mm
  • Nominal outer sheath thickness: 3.9 mm
  • Nominal outer diameter: 84.0 mm
  • Approximate net weight: 8493 kg/km
  • Perm current rating in air 30°C: 472 A
  • Permissible current rating when buried: 380 A
  • Max. DC resistance of the conductor at 20°C: 0.1 Ohm/km
  • A.C. Conductor resist. 50Hz and at 90 °C: 0.129 Ohm/km
  • Permissible short circuit current conductor 1s: 28.8 kA

M5A3B 3*95 NEW

Nexans ref. M5A3B 002580 - Country ref. M5A3B 3*95//EDL-SP

  • Conductor cross-section: 95 mm²
  • Conductor diameter: 11.7 mm
  • Nominal outer sheath thickness: 3.1 mm
  • Nominal outer diameter: 63.0 mm
  • Approximate net weight: 4249 kg/km
  • Perm current rating in air 30°C: 238 A
  • Permissible current rating when buried: 204 A
  • Max. DC resistance of the conductor at 20°C: 0.41 Ohm/km
  • A.C. Conductor resist. 50Hz and at 90 °C: 0.32 Ohm/km
  • Permissible short circuit current conductor 1s: 9.2 kA

Description

Description

Standards

  • International
    IEC 60332-1-2; IEC 60502-2

1-SCOPE

This specification covers three core armoured cables, rated at 12/20 (24) KV conforming to IEC 60502-2 Specifications.
 

2. CONSTRUCTION

2.1 Conductor

Aluminum conductors, 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 on each core

 

2.4 Separation Sheath

PVC .

 

2.5 Armour

Two layers of black steel tape .
 

2.5 Sheath

PVC .
 

3. TESTS

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

TEST AT WORKS according to IEC 60502-2 for armored cables

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.

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

Tests certificates will be provided by Liban Cables

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Aluminum
Conductor shape
Circular
Material of the inner semi-conductor
Extruded
Insulation
XLPE
Material of the external semi-conductor
Extruded strippable
Screen
Copper tape
Armour type
Steel tapes
Outer sheath
PVC
Colour
Red

Dimensional characteristics

Dimensional characteristics

Nominal insulation thickness
5.5 mm

Electrical characteristics

Electrical characteristics

Test voltage
42 kV
Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Thermal soil resistivity wet zone
1.5 °K.m/W

Usage characteristics

Usage characteristics

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
Flame retardant
IEC 60332-1-2

Resources

Resources

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