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COVERED OVERHEAD CABLES (Tree Wire) 3C - ACSR Conductor

266.8kcmil

266.8kcmil 266.8kcmil

266.8kcmil

ACSR conductor with XLPE semiconductor layer, XLPE inner layer and XLPE-TK external layer with tracking and weather resistant.

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  • Nexans ref. : 211853
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Description

Description

Standards

  • Product
    ASTM B 232
  • National
    NTC 5909

Applications

COVERED OVERHEAD CABLES 3C (3 layers) are used as power distribution lines in wooded areas. They offer greater reliability of operation and compatibility with the environment.

Construction

Conductor

Aluminum Conductor with Steel Core (ACSR), concentric stranded with moisture migration blocking.

Layer 1

Extruded conductor shielding in semiconductive Cross-linked Polyethylene (XLPE).

Layer 2

Extruded Cross-linked Polyethylene insulation compound (XLPE)

Layer 3

Extruded Cross-linked Polyethylene covering compound with abrasion, tracking and weather resistance (XLPE-TK).

 

 

Applicable Standars

  • NTC 5909
  • ASTM B232 

Certificate

RETIE N°04885/02711

Operating Temperature

90 °C

Operating Voltage

15 kV, 35 kV

Optional: Aluminum 1350-H19 (AAC) concentric stranded. Outer layer in high-density polyethylene (HDPE). Operating voltage to 46 kV.

Ampacity Conditions - Covered Cables

  • Current capacity at ambient temperature 25°C, conductor temperature 90°C, total emission 1 Kw/m², absorption and emissivity coefficients 0.5, wind speed 610 mm/sec, at sea level and at 60 Hz.

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 quantities.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
aluminum / Steel Core
Conductor shape
Compact stranded
Material of the inner semi-conductor
XLPE
Insulating material
XLPE
Outer sheath
XLPE-Antitracking
Conductor flexibility

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
135 mm²
Conductor diameter
14.18 mm
Number of aluminium wires
18
Number of steel wire
1
Number of cores
1
Thickness of the inner semi-conductor
0.38 mm
Average insulation thickness
4.45 mm
Average sheath thickness
3.18 mm
Outer Diameter
31.76 mm
Approximate weight
994 kg/km

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
0.216 Ohm/km
Operating voltage
35 kV
Permissible current rating in open air
464 A

Usage characteristics

Usage characteristics

Anti tracking
Yes
Maximum operating temperature
90 °C
Packaging
Reel
Weather resistance
Yes

Resources

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