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YHKXS 6/10KV, 12/20KV, 18/30 KV

YHKXS 3*240/50 6/10KV

YHKXS 3*240/50 6/10KV

YHKXS 3*240/50 6/10KV

XLPE Unarmored cable with copper conductor. International code: YHKXS or N2XSEY

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  • Nexans ref. : M3N4 000931
  • Country ref. : M3N4 3*240/50//POL-3
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Description

Description

Standards

  • International
    IEC 60228; IEC 60332-1-2; IEC 60502-2

CU/SC/XLPE/SC/SC TAPE/CU WIRES/ low temp. PVC

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 + Semi-conductive tape

3. Metallic screen layer:

Copper wires with open helix copper tape on each core

4. Assembling:

Conductors are laid up with non-hygroscopic fillers

5. Outer sheath:

Low Temperature PVC, Red or as per customer requirement

6. Marking:

By Inkjet

7. Packing:

Drums can be wooden or steel

TEST AT WORKS according to IEC 60502-2

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

            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

DRAWING YnHKXS

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
Material of the external semi-conductor
Extruded fully bonded
Concentric conductor
Copper wires and helical copper tape
Outer sheath
PVC
Sheath colour
Red

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
240 mm²
Conductor diameter
18.1 mm
Nominal insulation thickness
3.4 mm
Screen section
50 mm²
Nominal outer sheath thickness
3.2 mm
Nominal outer diameter
68.0 mm
Approximate net weight
8904 kg/km

Electrical characteristics

Electrical characteristics

Test voltage
21 kV
Rated Voltage Uo/U (Um)
6 / 10 (12) kV
Frequence
50 Hz
Perm current rating in air 30°C
531 A
Permissible current rating when buried
434 A
Max. DC resistance of the conductor at 20°C
0.0754 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.0981 Ohm/km
Permissible short circuit current conductor 1s
34.8 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

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

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