NA2XSY 1x400/35 mm²
NA2XSY 1x400/35 mm²
20,3/35 kV XLPE insulated single core cables with aluminium conductor
Read more- Nexans ref. : 10564319
Description
Description
Standards
-
NationalTSEK
Application:
These are cables with low dielectric losses used in energy network with sudden load changes. Laid in residental or industrial areas, underground or in ducts.
Construction:
Conductor:Aluminium
Conductor screen:Semi-conducting compound (XLPE)
Insulation:XLPE
Insulation screen:Semi-conducting compound (XLPE)
Semi-conducting tape:Crape tape
Metallic screen:Concentric / Copper wires + copper tape
Outer sheath:PVC
Marking:
‹›TSEK‹› NEXANS YXC7V-A Number of cores x cross section 20.3/35 kV "YEAR"
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Aluminum
Conductor shape
Circular stranded (RM)
Material of the inner semi-conductor
XLPE
Insulation
XLPE (Cross-linked Polyethylene)
Material of the external semi-conductor
XLPE
Screen
Copper wire + copper tape
Outer sheath
PVC
Conductor flexibility
Class 2
Sheath colour
Red
Dimensional characteristics
Dimensional characteristics
Number of cores
1
Conductor cross-section
400 mm²
Nominal outer diameter
50.1 mm
Approximate weight
2910 kg/km
Delivery reel size for 1000m
- cm
Screen section
35 mm²
Electrical characteristics
Electrical characteristics
Rated Voltage Uo/U (Um)
20.3 / 35 kV
Max. DC resistance of the conductor at 20°C
0.078 Ohm/km
Approx. inductance, flat formation
0.523 mH/km
Approx. inductance, trefoil formation
0.338 mH/km
Nominal phase capacitance
0.24 µF / km
Perm. current rating buried 20°C - trefoil formation
559 A
Perm. current rating in air 30°C - flat formation
769 A
Perm. current rating in air 30°C - trefoil formation
673 A
Permissible short circuit current conductor 1s
37.6 kA
Permissible short circuit current screen 1s
4.52 kA
Thermal soil resistivity wet zone
1 °K.m/W
Usage characteristics
Usage characteristics
Operating temperature, range
-20 ... 90 °C
Short-circuit max. conductor temperature
250 °C
Bending factor when laying
12 (xD)
Max. conductor temperature in service
90 °C
Fire safety characteristics
Fire safety characteristics
Flame retardant
IEC 60332-1-2
Resources
Resources
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