FREETOX-G 35kV 133%IL 3X500+3X3/0AWG CMPCT (Cta AZ-NE-RJ) GRIS.

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: Multi-core 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, 12% nominal overlap.

Ground conductor (Optional): One or three flexible bare copper conductors, class 5 according to IEC 60228, in contact with the metallic shields.

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

 

Marking: NEXANS CHILE FREETOX "size" "Rated voltage" Cu XLPE "Nominal Insulation Thickness" (1) 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-MAG: Armored cable with galvanized steel wires.

FREETOX-MZG: Armored cable with two flat galvanized steel tapes.

FREETOX-MAZG: Armored cable with galvanized steel wires and two flat galvanized steel  tapes.

INSTALLATION CONDITIONS FOR CURRENT CARRYING CAPACITIES_MV MULTI-CORE CABLES

(1) Current carrying capacities based on NEC/NFPA 70 for installations were ducts and cables are not directly exposed to solar radiation.

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

INSTALLATION CONDITIONS FOR CURRENT CARRYING CAPACITIES_MV MULTI-CORE CABLES

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor shape
Circular
Conductor flexibility
Class B
Insulation
TR-XLPE (Tree-Retardant Cross-linked Polyethylene)
Outer sheath
Low fire hazard Polyolefin
Halogen free
IEC 60754-1
Lead free
Yes
Construction type
3P+3G

Dimensional characteristics

Dimensional characteristics

Conductor cross-section (AWG/KCMIL)
Conductor cross-section
500 kcmil
Conductor cross-section
253 mm²
Phase Conductor Cross Section
253 mm²
Total number of wires
37
Number of cores
3
Conductor section of the main cable
253 mm²
Phase Conductor Diameter
18.7 mm
Nominal insulation thickness
10.7 mm
Minimum insulation thickness
10.2 mm
Diameter over insulation
42.0 mm
Number of ground conductors
3
Ground conductor cross-section
85 mm²
Minimum outer sheath thickness
3.17 mm
Outer Diameter
103 mm
Approximate weight
18000 kg/km
Nominal outer diameter
103.0 mm

Electrical characteristics

Electrical characteristics

Operating voltage
35 kV
Insulation Level
133 %
Maximum operating voltage
36.8 kV
Max. DC resistance of the conductor at 20°C
0.072 Ohm/km
A.C. Conductor resist. 50Hz and at 90 °C
0.093 Ohm/km
Perm current rating in air 40°C
535 A
Permissible current rating buried 20°C
550 A
Perm. Current in duct 20°C
450 A
Permissible short circuit current
113.6 kA

Mechanical characteristics

Mechanical characteristics

Maximum pulling tension with pulling eyes
- kgf

Usage characteristics

Usage characteristics

Laying operation bending radius
1030 mm
Minimum Bend Radius - Installed
721 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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