FREETOX 1x500 mm² 5kV 133%IL

Description

Description

Standards

  • Product
    ASTM B 3; ASTM B 496; ASTM B 8; ICEA S-93-639; IEC 60228; IEC 60502-2
  • Test
    IEC 60332-1-2; IEC 60332-3-24 Cat.C; IEC 60754-1; IEC 60754-2; IEC 61034-2
  • International
    NES 713

Applications

Power shielded cable for fixed installations, used for connection of transformers, switchgears, GIS substations, motors, generators, feeders in distribution networks. Suitable to be installed directly buried, buried in ducts, in conduits, cable trays or in free air.

Construction: Singlecore cable.

Conductor: Compact-round stranded copper conductor. For AWG and kcmil sizes: class B according to ASTM B-3, ASTM B8 and ASTM B-496 according to requirements of ICEA S-93-639. For standard mm² sizes: class 2 according to IEC 60228.

Conductor shield: Extruded semiconducting material.

Insulation: Tree-Retardant crosslinked polyethylene (TR-XLPE)  or crosslinked polyethylene (XLPE) with excellent electrical properties, good resistance to ozone and chemical agents.

Insulation shield: Extruded semiconducting material.

Metallic shield: Copper tape applied helically in intimate contact with the underlaying semiconducting layer, 50% nominal overlap. Copper wires applied over the tape.

Oversheath: Low fire hazard polyolefin (LFH), flame and fire retardant, low smoke emision, resistant to weather and UV radiation. Color upon request.

 

Marking: NEXANS CHILE FREETOX "size" "Rated voltage" "Nominal Insulation Thickness" (1) Cu XLPE 90°C "Manuf. order" "Date"

(1) Nominal Insulation Thickness information on marking only applies for cables according to ICEA S-93-639.

Design Alternatives

FREETOX-RAT: Resistant to rodent attack.

FREETOX (ZAL): Armored cable with two flat aluminum tapes

INSTALLATION CONDITIONS FOR CURRENT CARRYING CAPACITIES_MV CABLES

(1) Current carrying capacities based on ICEA P-46-426, for installations were ducts and cables are not directly exposed to solar radiation.

De-rating factors must be applied according to specific installation conditions.

INSTALLATION CONDITIONS FOR CURRENT CARRYING CAPACITIES_MV CABLES

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Outer sheath
Low fire hazard Polyolefin
Halogen free
IEC 60754-1
Conductor flexibility
Class 2
Conductor shape
Circular
Insulation
TR-XLPE (Tree-Retardant Cross-linked Polyethylene)
Lead free
Yes
Number of conductors
1

Dimensional characteristics

Dimensional characteristics

Conductor cross-section (AWG/KCMIL)
-
Conductor cross-section
- kcmil
Conductor cross-section
500 mm²
Total number of wires
61
Phase Conductor Diameter
26.25 mm
Nominal insulation thickness
2.29 mm
Minimum insulation thickness
2.16 mm
Diameter over insulation
33.0 mm
Screen section
10.5 mm²
Minimum outer sheath thickness
1.78 mm
Approximate weight
5400 kg/km
Nominal outer diameter
41.0 mm

Electrical characteristics

Electrical characteristics

Operating voltage
5 kV
Insulation Level
133 %
Maximum operating voltage
5.2 kV
Max. DC resistance of the conductor at 20°C
0.0366 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.0489 Ohm/km
Inductive reactance at 50Hz and 90°C flat spaced
0.145 Ohm/km
Perm current rating in air 40°C
1066 A
Permissible current rating buried 20°C
951 A
Perm. Current in duct 20°C
810 A
Voltage Drop
0.22 V/A.km
Permissible short circuit current
224.5 kA

Mechanical characteristics

Mechanical characteristics

Maximum pulling tension with pulling eyes
2270 kgf
Maximum pulling tension with pulling grips
154 kgf

Usage characteristics

Usage characteristics

Laying operation bending radius
574 mm
Minimum Bend Radius - Installed
492 mm
Max. conductor temperature in service
90 °C
Overload maximum core temperature
130 °C
Short-circuit max. conductor temperature
250 °C
Flame retardant
IEC 60332-1-2
Fire retardant
IEC 60332-3-24 (cat C)
Smoke density
IEC 61034-2
Oil resistance
ICEA S-93-639 (70°C/4h)
U.V resistance
UL 1581
Minimum installation temperature
-10 °C

Resources

Resources

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