XKDT-F 3x1x 50/16 mm² 12/20 kV
XKDT-F 3x1x 50/16 mm² 12/20 kV
20 kV Three-core cable with cross-linked PE insulation (XLPE), copper-wire screens and galvanized flat steel-wire armour
Read more- Nexans ref. : 10152593
- EAN : 7611755051020
Description
Description
Standards
-
ProductHD 620; IEC 60502
-
NationalASE
Halogenfree three-core cables with cross-linked PE insulation (XLPE), copper-wire screens and galvanized steel flat-wire armour suitable for laying in declivities or where a mechanical protection of the cable is needed.
Applications
- Underground distribution networks
- Laying in tubes and direct buried
- Arises in electrical substations
Key points
- Nominal voltage 10 kV / 20 kV / 30 kV
- Lead sections 50 to 240 mm2
Construction three-core cables
- Assembly of 3 XLPE insulated single core cables
- Extruded filler
- Galvanized steel flat-wire armour
Construction single core cables
- Copper conductor
- Inner Semiconductor
- Cross-linkend PE insulation (XLPE)
- Outer semi-conductor
- Semi-conductive swelling tape
- Copper wire screen
- Swelling tape
- Outer PE sheath
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Copper
Conductor shape
Circular
Conductor flexibility
Stranded class 2
Material of the inner semi-conductor
Extruded
Insulation
XLPE (chemical)
Material of the external semi-conductor
Extruded
Material of bedding
SC swelling tape
Material of the outer core / screen
Copper wires
Outer core type
Waveform concentric
Material used for longitudinal water tightness
Swellable tape
Outer sheath
PE LLD
Sheath colour
Black + 2 red lines
Material of filler / inner sheath
Butyl + PE
Armour type
Galvanized flat steel wires (F)
Halogen free
Yes
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
50 mm²
Conductor diameter
8.2 mm
Average insulation thickness
4.8 mm
Diameter over insulation
18.8 mm
Screen section
16 mm²
Diameter over external conductor / metallic screen
22.6 mm
Average sheath thickness
1.8 mm
Diameter over single-core cable
26.5 mm
Diameter over assembly
57.2 mm
Diameter over armour
64.5 mm
Approximate weight
641.0 kg/100m
Nominal outer diameter
64.5 mm
Number of cores
3
Electrical characteristics
Electrical characteristics
Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Maximum operating voltage
24 kV
Test voltage
48 kV
Impulse voltage
125 kV
Max. DC resistance of the conductor at 20°C
0.387 Ohm/km
Mechanical characteristics
Mechanical characteristics
Maximum pulling force by laying
19.8 kN
Usage characteristics
Usage characteristics
Minimum installation temperature
-5 °C
Bending factor when laying
12 (xD)
Bending factor when installed
8 (xD)
Maximum operating temperature
90 °C
Short-circuit max. conductor temperature
250 °C
Resources
Resources
Documentation
Construction
pdf — 297.1 kB
Declaration of Performance
- Declaration of Performance n� : 1000394-CHCD
- Certification Date : 3/1/23
- AVCP (Assessment and Verification of Constancy of Performance) : System 4
- Declared performance : Fca
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