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3.8/6.6kV Three Core SWA
3.8/6.6kV Three Core SWA
3.8.6.6kV Three Core, Individually Screened and PVC Sheathed Stranded Conductors up to 10kA fault level
Read more- Nexans ref. : XHJA20AA003CXAA
- Country ref. : XHJA20AA003CXAA
- EAN : 9319215501976
Description
Description
Standards
-
ProductAS/NZS 1125; AS/NZS 1429.1; IEC 60228; IEC 60502-2
Construction
- Stranded compacted conductor
- Triple extruded conductor screen
- XLPE Insulated and insulation screen
- Copper wire screened
- Steel wire armoured
- PVC sheathed.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Armour type
Galvanized steel wires
Conductor material
Aluminum
Insulation
XLPE
Material of bedding
PVC
Outer sheath
PVC
Screen
Copper wire
Type of conductor
Stranded compacted
Dimensional characteristics
Dimensional characteristics
Approximate weight
480.0 kg/100m
Conductor cross-section
70 mm²
Conductor diameter
9.65 mm
Diameter over armour
49.72 mm
Diameter over insulation
15.8 mm
Diameter over screen
19.077 mm
Nominal Duct Diameter
100 mm
Nominal Screen Area on each core
45.96 mm²
Nominal armour wire diameter
2.5 mm
Nominal diameter over bedding
44.72 mm
Nominal insulation thickness
2.5 mm
Nominal overall diameter
55.3 mm
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
0.569 Ohm/km
Armour DC resistance at 20°C
0.559 Ohm/km
Capacitance (All Main Cores - Screen)
0.353 µF / km
Charging current per phase
0.422 A/km
DC Resistance of the Screen at 20°C
0.39 Ohm/km
Dielectric loss per phase
6.41 W/km
Inductive reactance at 50Hz
0.106 Ohm/km
Insulation resistance at 20°C
6800 MOhm.km
Max. DC resistance of the conductor at 20°C
0.443 Ohm/km
Maximum electric stress
1.8 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
0.129 Ohm/km
Zero sequence resistance at 20°C
1.136 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum Pull Tension of Armour
34 kN
Maximum Pull Tension of Conductor
10 kN
Usage characteristics
Usage characteristics
Minimum Bend Radius - During Installation (under Tension)
1000 mm
Minimum Bend Radius - Installed
660 mm
Resources
Resources
Current carrying capacity table (in Amps) - 3.8/6.6kV Three Core SWA
Current carrying capacity table (in Amps) - 3.8/6.6kV Three Core SWA| Conductor cross-section |
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|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 70.0 | 238.0 | 186.0 | 255.0 | 199.0 | 181.0 | 141.0 | 245.0 | 191.0 | 200.0 | 156.0 |
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In air touching (3 core) |
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In air spaced (3 core) |
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In air enclosed (3 core) |
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Underground Direct Buried (3 core) |
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Underground ducts (3 core) |
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