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NHKXS single core IEC 60332-3

NHKXS 1*185/50 6/10kV

NHKXS 1*185/50 6/10kV NHKXS 1*185/50 6/10kV

NHKXS 1*185/50 6/10kV

XLPE insulated LSZH sheathed Unarmored cable with Copper conductor

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  • Nexans ref. : M3N4U 008162
  • Country ref. : M3N4U 1*185/50//POL-2
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Description

Description

Standards

  • International
    IEC 60332-1-2; IEC 60332-3; IEC 60502-2

CU/SC/XLPE/SC/SC TAPE/CU WIRES/LSZH

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

4. Outer sheath:

Low Smoke Zero Halogen compound, Red or as per customer requirement

5. Marking:

By Inkjet

6. Packing:

Drums can be wooden or steel

TEST AT WORKS 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

            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. 

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

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Number of conductors
1
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
Concentric conductor
Copper wires and helical copper tape
Outer sheath
LSZH compound
Sheath colour
Red

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
185 mm²
Conductor diameter
15.9 mm
Nominal insulation thickness
3.4 mm
Screen section
50 mm²
Nominal outer sheath thickness
1.9 mm
Nominal outer diameter
33.0 mm
Approximate net weight
2767 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
543 A
Permissible current rating when buried
406 A
Max. DC resistance of the conductor at 20°C
0.0991 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.128 Ohm/km
Permissible short circuit current conductor 1s
26.8 kA
Thermal soil resistivity wet zone
1.5 °K.m/W

Mechanical characteristics

Mechanical characteristics

Cable flexibility
12 x D
Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

U.V resistance
Yes
Flame retardant
IEC 60332-1-2
Fire retardant
IEC 60332-3
Laying depth, center of system
800 mm
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Max. conductor temperature in service
90 °C
Minimum operating temperature
-35 °C
Short-circuit max. conductor temperature
250 °C

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