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3C 35mm2 Al 12.7/22kV Three Core URD PVC/HDPE - 3kA Fault Level
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
Read more- Nexans ref. : XLMA18AA003CXAA
Description
Description
Standards
-
InternationalIEC 60228; IEC 60502-2
-
NationalAS/NZS 1125; AS/NZS 1429.1
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
Characteristics
Construction 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
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
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
Mechanical characteristics
Maximum Pulling Tension
5.25 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1370 mm
Minimum Bend Radius - Installed
820 mm
Resources
Resources
Current carrying capacity table (in Amps) - 12.7/22kV Three Core URD
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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