3C 35mm2 Al 12.7/22kV Three Core URD PVC/HDPE - 3kA Fault Level

12.7/22kV Three Core, Individually Screened PVC/HDPE Sheathed URD Aluminium Conductors up to 10kA fault level

Nexans ref. : XLMA18AA003CXAA

Datasheet PDF

Description

Standards

Product

AS/NZS 1125; AS/NZS 1429.1; IEC 60228; IEC 60502-2

Stranded compacted aluminium conductor, triple extruded conductor screen, insulation and insulation screen, copper wire screened, PVC/HDPE sheathed.

XLMA - 3kA fault level

XLNA - up to 10kA fault level as standard

Characteristics

Construction characteristics

Conductor flexibility

Class 2

Conductor material

Aluminum

Conductor shape

Circular

Insulation

XLPE

Outer sheath

PVC/HDPE

Screen

Copper wire

Type of conductor

Stranded compacted

Dimensional characteristics

Approximate weight

215.0 kg/100m

Conductor cross-section

35 mm²

Conductor diameter

6.91 mm

Diameter over insulation

19.183 mm

Diameter over screen

22.483 mm

Nominal Duct Diameter

80 mm

Nominal Screen Area on each core

23.83 mm²

Nominal insulation thickness

5.5 mm

Nominal overall diameter

54.8 mm

Number of screen wires (nb x mm Ø)

14 x 0.85 mm Ø

Electrical characteristics

A.C. Conductor resist. 50Hz and at 90 °C

1.113 Ohm/km

Capacitance (All Main Cores - Screen)

0.157 µF / km

Charging current per phase

0.626 A/km

DC Resistance of the Screen at 20°C

0.76 Ohm/km

Dielectric loss per phase

31.8 W/km

Inductive reactance at 50Hz

0.14 Ohm/km

Insulation resistance at 20°C

15000 MOhm.km

Max. DC resistance of the conductor at 20°C

0.868 Ohm/km

Maximum electric stress

3.6 kV/mm

Permissible short circuit current conductor 1s

3.3 kA

Rated Voltage Uo/U (Um)

Screen fault current carrying capacity for 1 second

3.534 kA

Zero sequence reactance at 50HZ

0.092 Ohm/km

Zero sequence resistance at 20°C

3.146 Ohm/km

Mechanical characteristics

Maximum Pulling Tension

5.25 kN

Usage characteristics

Minimum Bend Radius - During Installation (under Tension)

1370 mm

Minimum Bend Radius - Installed

820 mm

Resources

Current carrying capacity table (in Amps) - 12.7/22kV Three Core URD

Conductor cross-section
mm²	Al	Al	Al	Al	Al
35.0	131.0	139.0	98.0	135.0	109.0

In air touching (3 core)

In air spaced from surface (3 core)

In air enclosed (3 core)

Underground Direct Buried (3 core)

Underground ducts (3 core)

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3C 35mm2 Al 12.7/22kV Three Core URD PVC/HDPE - 3kA Fault Level

Description

Description

Standards

Characteristics