StandardsInternational : IEC 60228; IEC 60332-1; IEC 60332-3 Cat.C; IEC 60684-2; IEC 60754-1; IEC 60754-2; IEC 61034
National : ABNT NBR 6251 ; ABNT NBR 7287 ; ICEA S-93-639; NTP-IEC 60228
Power distribution in medium voltage, direct application in places with public attendance high. Not recommended for outdoor installations.
1. Conductor: Compact stranded aluminium 1350, class 2 (with longitudinally watertight between and over the conductor).
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 (with longitudinally watertight under and over the screen).
6. Outer sheath: HFFR thermoplastic compound.
Conductor temperature of 90ºC for normal operation, 130°C for emergency overload and 250°C for short circuit conditions. With longitudinally watertight between and over the conductor, and under and over the screen. The outer sheath has the following characteristics: Fire retardant, low emission dense smoke and halogen free. Adequate resistance to oils.
150 mm2 - 500 mm2.
INDECO S.A. FREETOX NA2XSOH(2OL) 20/35 kV - Section - PH16 - Year
Non returnable wooden reels.
Outer sheath: Black.
NTP-IEC 60228: Conductors of insulated cables.
ABNT NBR 6251: Insulated power cables, for rated voltages 1 kV up to 35 kV - Constructive requirements.
ABNT NBR 7287: Power cables extruded cross-linked polyethylene insulated power cable for rated voltages from 1 up to 35 kV - Performace requirements.
ICEA S-93-639 Section 9.4.2 (Oil Immersion Test): 5-46 kV Shielded Power Cable for Use in the Transmission and Distribution of Electric Energy - Oil Immersion Test.
IEC 60228: Conductors of insulated cables.
IEC 60332-1: Test for vertical flame propagation for a single insulated wire or cable.
IEC 60332-3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C.
IEC 60684-2: Flexible insulating sleeving - Part 2: Methods of test.
IEC 60754-1: Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content.
IEC 60754-2: Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity.
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|
|Outer sheath||Halogen free thermoplastic compound|
|Halogen free||IEC 60754-1|
|Rated Voltage Uo/U (Um)||20 / 35 kV|
|Resistance of the screen||1.15Ohm/km|
|Permissible short circuit current screen 0.5s||2.9kA|
|Gases toxicity||Low toxicity to IEC 60684-2|
|Smoke density||IEC 61034-2|
|Gases corrosivity||Low pH Corrosivity IEC 60754-2|
|Longitudinal water tightness||Yes|
|Flame retardant||IEC 60332-1|
|Fire retardant||IEC 60332-3 Cat.C|
|Oil resistance||ICEA S-93-639|
|Maximum operating temperature||90°C|
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