NA2XS2Y 20/34.5 kV 400 mm2 PH16
StandardsInternational : IEC 60228; IEC 60332-1; IEC 60502-2; IEC 60754-2; IEC 60811-1-1; IEC 60811-1-2; IEC 60811-1-3; IEC 60811-2-1; IEC 60811-3-1; IEC 60811-4-1; IEC 61034
National : NTP-IEC 60228; NTP-IEC 60502-2
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 aluminium 1350, 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 wires.
6. Tape: Polyester.
7. Outer sheath: Linear low-density polyethylene LLDPE.
Conductor temperature of 90ºC for normal operation, 130°C for emergency overload and 250°C for short circuit conditions. Excellent properties against heat aging. Resistance to abrasion, moisture and sunlight. Adequate resistance to greases and oils. The outer sheath has the following characteristics: low emission dense smoke and halogen free. Flame retardant.
From 95 mm2 up to 630 mm².
INDECO S.A. NA2XS2Y 20/34.5 kV - Section - PH16 - Year - sequential length.
Non returnable wooden reels.
Outer sheath: Black.
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.
DATA SHEET ENEL-CJR Renewables.
IEC 60228: Conductors of insulated cables.
IEC 60332-1: Test for vertical flame propagation for a single insulated wire or cable.
IEC 60502-2: Power cables with extruded insulation and their accessories for rated voltages from 6 kV up to 30 kV.
IEC 60754-2: Determination of degree of acidity of gases evolved during the combustion of materials taken from electric cables by measuring pH and conductivity.
IEC 60811-1-2: Thermal ageing methods.
IEC 60811-1-3: Water absorption tests - Shrinkage test.
IEC 60811-2-1: Ozone resistance, hot set and mineral oil immersion tests.
IEC 60811-3-1: Pressure test at high temperature - Tests for resistance to cracking.
IEC 60811-4-1: Resistance to environmental stress cracking - Measurement of the melt flow index - Carbon black and/or mineral filler content measurement in polyethylene by direct combustion.
IEC 61034-2: Measurement of smoke density of cables burning under defined conditions.
|Material of the inner semi-conductor||Extruded|
|Material of the external semi-conductor||Extruded strippable|
|Halogen free||IEC 60754-2|
|Diameter over insulation||40.58mm|
|Diameter over screen||43.9mm|
|Diameter over Sheath||48.4mm|
|Minimum outer sheath thickness||2.0mm|
|Minimum insulation thickness||8.0mm|
|Total number of wires||61|
|Max. DC resistance of the conductor at 20°C||0.0778Ohm/km|
|A.C. Conductor resist. at 90 °C - flat formation||0.1012Ohm/km|
|A.C. Conductor resist. at 90 °C - trefoil formation||0.1021Ohm/km|
|Phase reactance 60 Hz - trefoil formation||0.1268Ohm/km|
|Phase reactance 60 Hz - flat formation||0.1965Ohm/km|
|Perm. current rating buried 20°C - flat formation||463A|
|Perm. current rating buried 20°C - trefoil formation||473A|
|Perm. current rating in air 30°C - trefoil formation||678A|
|Perm. current rating in air 30°C - flat formation||762A|
|Rated Voltage Uo/U (Um)||20/34.5 kV|
|Resistance of the screen||1.15Ohm/km|
|Permissible short circuit current screen 0.5s||2.9kA|
|Maximum operating temperature||90°C|
|Flame retardant||IEC 60332-1|
|Smoke density||IEC 61034-2|