XnRUHKXS armored 3*120/50 12/20kV

Description

Description

Standards

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

CU/SC/XLPE/SC/SC SWEL/CU WIRES/SWEL/ALLUPE/PE/ARMOUR/PE

APPLICATION

Power use outdoor application, even wet.

Suitable for fixed installations at open air, in tube or canals and underground.

Max. Operation temperature: 90°

Max. Short circuit temperature : 250° (Max 5 s)

 

CONSTRUCTION

1. Conductor:

Compacted Round conductor class 2

2. Insulation:

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

3. Water proof tape:

Semi-conductive swelling tape

4. Metallic screen layer:

Copper wires with open helix copper tape

5. Water proof tape:

Swelling tape

6. Radial water tightness:

Longitudinal PE coated Aluminum Tape

7. Separation sheath:

PE

8. Armour:

Galvanized steel wires armoring

9. Outer sheath:

PE, RED

10. Marking:

By Inkjet printing on one line over the outer jacket

9. Packing:

Drums can be wooden or steel

TEST AT WORKS FOR XnRUHKXS armored

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

            Metallic screen  :           according to IEC 60502-2                       Parag.  17.7

            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 for XLPE insulation 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

Number of conductors
3
Conductor material
Copper
Conductor flexibility
Stranded class 2
Conductor shape
Round compacted
Material of the inner semi-conductor
Semi-conducting compound
Insulation
XLPE
Material of the external semi-conductor
Extruded fully bonded
Material used for longitudinal water tightness
Swellable tape
Concentric conductor
Copper wires and helical copper tape
Protection
Aluminium tape
Armour type
Galvanized steel wires
Outer sheath
PE
Sheath colour
Red

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
120 mm²
Conductor diameter
12.9 mm
Nominal insulation thickness
5.5 mm
Screen section
50 mm²
Nominal armour wire diameter
3.15 mm
Nominal outer sheath thickness
3.5 mm
Nominal outer diameter
79.0 mm
Approximate net weight
10403 kg/km

Electrical characteristics

Electrical characteristics

Test voltage
42 kV
Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Frequence
50 Hz
Maximal partial discharge test
10 pC
Perm current rating in air 30°C
352 A
Permissible current rating when buried
298 A
Max. DC resistance of the conductor at 20°C
0.153 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.196 Ohm/km
Permissible short circuit current conductor 1s
17.5 kA
Thermal soil resistivity wet zone
1.5 °K.m/W

Mechanical characteristics

Mechanical characteristics

Cable flexibility
7xD
Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Flame retardant
IEC 60332-1-2
Bending factor when laying
14 (xD)
Laying depth, center of system
800 mm
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Minimum operating temperature
-35 °C

Resources

Resources

Declaration of Performance

  • Declaration of Performance n� : 1000906-LBNI
  • Certification Date : 5/20/20
  • AVCP (Assessment and Verification of Constancy of Performance) : System 4
  • Declared performance : Fca

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