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3C 70mm2 Al 19/33kV PVC Black
3C 70mm2 Al 19/33kV PVC Black
19/33kV Three Core, Individually Screened and PVC Sheathed Stranded Conductors up to 10kA fault level
Read more- Nexans ref. : XNHA20AA003CXAA
Description
Description
Standards
-
ProductAS/NZS 1125; AS/NZS 1429.1; IEC 60228; IEC 60502-2
Construction
- Stranded compacted conductor
- Semi-conductive insulation screen
- Copper wire screen
- XLPE insulation
- Semi-conductive conductor screen
- FIllers
- PVC sheath
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Armour type
-
Conductor flexibility
Class 2
Conductor material
Aluminum
Conductor shape
Circular
Insulation
XLPE
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
415.0 kg/100m
Conductor cross-section
70 mm²
Conductor diameter
9.65 mm
Diameter over insulation
27.166 mm
Diameter over screen
30.466 mm
Nominal Duct Diameter
125 mm
Nominal Screen Area on each core
45.96 mm²
Nominal insulation thickness
8.0 mm
Nominal overall diameter
73.1 mm
Nominal overall diameter
-
Number of screen wires (nb x mm Ø)
27 x 0.85 mm Ø
Electrical characteristics
Electrical characteristics
A.C. Conductor resist. 50Hz and at 90 °C
0.568 Ohm/km
Capacitance (All Main Cores - Screen)
0.148 µF / km
Charging current per phase
0.885 A/km
DC Resistance of the Screen at 20°C
0.39 Ohm/km
Dielectric loss per phase
67.3 W/km
Inductive reactance at 50Hz
0.136 Ohm/km
Insulation resistance at 20°C
16000 MOhm.km
Max. DC resistance of the conductor at 20°C
0.443 Ohm/km
Maximum electric stress
3.8 kV/mm
Permissible short circuit current conductor 1s
6.6 kA
Permissible short circuit current screen 1s
6.82 kA
Rated Voltage Uo/U (Um)
-
Zero sequence reactance at 50HZ
0.088 Ohm/km
Zero sequence resistance at 20°C
1.62 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pulling Tension
10.5 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1320 mm
Minimum Bend Radius - Installed
880 mm
Resources
Resources
Current carrying capacity table (in Amps) - 19/33kV Three Core
Current carrying capacity table (in Amps) - 19/33kV Three CoreConductor cross-section |
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mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
70.0 | 252.0 | 196.0 | 269.0 | 209.0 | 198.0 | 153.0 | 250.0 | 194.0 | 213.0 | 165.0 |
In air touching (3 core) |
In air spaced (3 core) |
In air enclosed (3 core) |
Underground Direct Buried (3 core) |
Underground ducts (3 core) |
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