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240 mm2
240 mm2
Premium Nexans Medium Voltage Aluminum Power Cable meets all the requirements of the IEC 60502-2 Standard.
Read moreDescription
Description
Standards
-
ProductIEC 60228 Class 2 ; IEC 60502-2
Ampacity and Reactance Conditions
- Ampacities of Three Single-Insulated Aluminum Conductors in Air Based on Conductor Temperatures of 90° C and Ambient Air Temperature of 30°C, trefoil configuration. According to IEC 60502-2, Table B.3.
- Ampacities of Three Single-Insulated Aluminum Conductors Buried direct in the ground, Based on Ambient Earth Temperature of 20°C, Depth of layin of 0.8 m, Thermal resistivity of soil 1.5 K.m/W, Conductor Temperatures of 90°C, screens bonded at both ends According to IEC 60502-2, Table B.3.
- Inductive Reactance to 90°C, 60Hz, 3 conductors spaced 1 diameter. Trifoil and flat configuration.
NOTE:
- The data reported here are nominal and are subject to tolerances according to standards and normal manufacturing practices.
- Other configurations not specified in this catalog may be available under special request and minimum manufacturing quantitie.
RECOMMENDATIONS FOR THE SELECTION OF ACCESSORIES AND DUCTS
The technical information presented here is for reference purposes only. Actual dimensions and construction details will only be available with the test reports for each manufacturing order. For the selection of accessories and/or ducts, it is recommended to measure directly on the actual dimensions of the cable using the appropriate methods and instruments. Centelsa by Nexans will not assume any responsibility for the selection of such elements.
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Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Stranded aluminum
Conductor shape
Circular compacted
Conductor flexibility
Class 2
Insulation
TR-XLPE (Tree-Retardant Cross-linked Polyethylene)
Screen
Copper wire
Jacket material
LDPE
Dimensional characteristics
Dimensional characteristics
Total number of wires
37
Conductor cross-section
240 mm²
Conductor diameter
18.25 mm
Minimum insulation thickness
7.1 mm
Nominal outer diameter
43.21 mm
Approximate weight
1766.5 kg/km
Minimum outer sheath thickness
1.72 mm
Electrical characteristics
Electrical characteristics
Insulation Level
- %
Maximum operating voltage
18/30(36) kV
Dielectric strength core to screen AC
63.0 kV
Time of application Dielectric strength core to screen AC
5 min.
Maximal partial discharge test
10 pC
Max. DC resistance of the conductor at 20°C
0.124 Ohm/km
Max. Electrical Resistance AC 60Hz 90°C
0.163 Ohm/km
Nominal capacitance
228.2 pF/m
Perm current rating in air 30°C
502 A
Permissible current rating buried/duct 20°C - Trefoil formation
367 A
Phase reactance 60 Hz - flat formation
0.155 Ohm/km
Phase reactance 60 Hz - trefoil formation
0.137 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pull Tension of Conductor
12 kN
Minimum repeated bending diameter
519 mm
Abrasion resistance
Excellent
Usage characteristics
Usage characteristics
Maximum operating temperature
90 °C
Overload maximum core temperature
130 °C
Short-circuit max. conductor temperature
250 °C
U.V resistance
ICEA S-93-639, (720 hours)
Oil resistance
No
Longitudinal water tightness
ICEA T-31-610
RoHS compliant
Yes
Water proof
AD8 according to ABNT NBR 14039
Flame retardant
IEC 60332-1-2
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