N2XSY 18/30 kV 70 mm2
StandardsInternational : IEC 60228; IEC 60332-1-2; IEC 60502-2; IEC 60811-401; IEC 60811-402; IEC 60811-409; IEC 60811-501; IEC 60811-502; IEC 60811-504; IEC 60811-505; IEC 60811-506; IEC 60811-507; IEC 60811-508; IEC 60811-509
National : ICEA S-93-639; NTP-IEC 60228; NTP-IEC 60502-2; UL 2556
Power distribution in medium voltage. As transformer feeders in substations. In power plants, industrial and operation installations, in residential areas and mining installations, in dry or wet locations.
1. Conductor: Compact stranded soft copper, class 2.
2. Inner semi-conductor: Extruded.
3. Insulation: Cross linked polyethylene XLPE-TR (Tree retardant).
4. External semi-conductor: Extruded strippable.
These last three components extruded CV (continuous vulcanization) triple extrusion in dry cure process.
5. Screen: Copper tapes.
6. Outer sheath: Compound polyvinyl chloride PVC.
Excellent properties against heat aging. Resistance to abrasion, moisture and sunlight. Adequate resistance to greases and oils. Flame retardant.
INDECO S.A. N2XSY 18/30 kV - Section - Year - Sequential length.
Non returnable wooden reels.
Outer sheath: Red.
NTP-IEC 60228: Conductors of insulated cables.
NTP-IEC 60502-2: Power cables with extruded insulation and their accessories for rated voltages from 6 kV up to 30 kV.
IEC 60228: Conductors of insulated cables.
IEC 60502-2: Power cables with extruded insulation and their accessories for rated voltages from 6 kV up to 30 kV.
IEC 60332-1-2: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame.
UL 2556: Wire and Cable Test Methods. Section 9.3: FT1 (Vertical-Specimen) Flame Test.
IEC 60811-401: Thermal ageing methods. Ageing in an air oven.
IEC 60811-402: Water absorption tests.
IEC 60811-409: Loss of mass test for thermoplastic insulations and sheaths.
IEC 60811-501: Test for determining the mechanical properties.
IEC 60811-502: Shrinkage test for insulations.
IEC 60811-504: Bending test at low temperature for insulation and sheaths.
IEC 60811-505: Elongation at low temperature for insulations and sheaths.
IEC 60811-506: Impact test at low temperature for insulations and sheaths.
IEC 60811-507: Hot set test for cross-linked materials.
IEC 60811-508: Pressure test at high temperature for insulation and sheaths.
IEC 60811-509: Test for resistance of insulations and sheaths to cracking.
ICEA S-93-639: 5-46 kV Shielded Power Cable for Use in the Transmission and Distribution of Electric Energy. Section 9.4.2: Oil Immersion Test.
UL 2556: Wire and Cable Test Methods. Section 126.96.36.199: Carbon-Arc and Xenon-Arc Tests- Sunlight resistance.
|Conductor material||Soft copper|
|Material of the inner semi-conductor||Extruded|
|Material of the external semi-conductor||Extruded strippable|
|Screen||Copper tape, helically|
|Total number of wires||19|
|Diameter over insulation||27.0mm|
|Diameter over screen||28.7mm|
|Diameter over Sheath||31.6mm|
|Max. DC resistance of the conductor at 20°C||0.268Ohm/km|
|Rated Voltage Uo/U (Um)||18/30 kV|
|A.C. Conductor resist. at 90 °C - flat formation||0.3421Ohm/km|
|Dielectric strength core to screen DC, min.||63.0kV|
|Time of application Dielectric strength core to screen DC||5min.|
|Voltage for partial discharge test||31.1kV|
|Maximal partial discharge test||10pC|
|A.C. Conductor resist. at 90 °C - trefoil formation||0.3422Ohm/km|
|Phase reactance 60 Hz - flat formation||0.2314Ohm/km|
|Phase reactance 60 Hz - trefoil formation||0.1617Ohm/km|
|Perm. current rating buried 20°C - flat formation||246A|
|Perm. current rating buried 20°C - trefoil formation||239A|
|Perm. current rating in air 30°C - flat formation||356A|
|Perm. current rating in air 30°C - trefoil formation||296A|
|U.V resistance||UL 2556 - Sunlight Resistance|
|Flame retardant||IEC 60332-1-2; FT1|
|Oil resistance||ICEA S-93-639|
|Maximum operating temperature||90°C|
|Overload maximum core temperature||130°C|
|Short-circuit max. conductor temperature||250°C|