CABLE N2XSY 90°C 18/30 kV 50MM2
N2XSY Application
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.
CABLE N2XSY 18/30 kV STANDARDS
PRODUCT
NTP-IEC 60228; NTP-IEC 60502-2; IEC 60228; IEC 60502-2
TEST
IEC 60332-1-2; 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; ICEA S-93-639; UL 2556
N2XSY - Medium voltage cables CONSTRUCTION
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 wires.
6. Tape: Polyester.
7. Outer sheath: Compound polyvinyl chloride PVC.
MAIN CHARACTERISTICS
Excellent properties against heat aging. Resistance to abrasion, moisture and sunlight. Adequate resistance to greases and oils. Flame retardant.
CROSS SECTION
From 50 mm2 up to 500 mm2.
PACKING
Non returnable wooden reels.
COLOUR
Insulation: Natural.
Outer sheath: Red.
PRODUCT STANDARDS
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.
TESTING STANDARDS
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 test.
IEC 60811-409: Mass loss test for thermoplastic insulations and covers.
IEC 60811-501: Test for determining the mechanical properties of insulating and sheating.
IEC 60811-502: Shrinkage test for insulations.
IEC 60811-504: Bending test at low temperature for insulation and covers.
IEC 60811-505: Low temperature elongation test for insulations and covers.
IEC 60811-506: Impact test at low temperature for insulations and covers.
IEC 60811-507: Hot set test for cross-linked materials.
IEC 60811-508: High temperature pressure tests for insulations and covers.
IEC 60811-509: Tests of resistance to cracking of the insulations and covers (thermal shock).
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 4.2.8.5: Carbon-Arc and Xenon-Arc Tests- Sunlight resistance.
Calculation of Current Condition Single-core M.V.
CALCULATION OF CURRENT CONDITION BASED ON NTP-IEC 60502-2 Annex B
Maximum conductor temperature: 90°C.
Ambient air temperature : 30°C.
Ground temperature : 20°C.
Depth of laying : 0,8 m.
Thermal resistivity of soil : 1,5 K.m/W.
Screens bonded at both ends.
In the case of different conditions, the correction factors indicated by this standard must be applied.
RECOMMENDATION - M.V. CABLE ACCESSORIES
Technical information presented herein is for referential purposes. Actual dimensions and construction details will be available only with the test reports for each manufacturing order.
CABLE N2XSY 90°C 18/30 kV. 50MM2
How to Order N2XSY Cable Price
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