Description
Description
Standards
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InternationalIEC 60332-1-2; IEC 60332-3; IEC 60502-2
1-SCOPE
This specification covers three cores unarmoured cables.
2. CONSTRUCTION
2.1 Conductor
Plain, annealed electrolytic copper conductors, circular stranded,conforming to the applicable requirements of BS EN 60228.
2.2 Insulation
Extruded inner semi conductive layer, XLPE insulation and extruded outer semi conductive layer .
2.3 Metallic Screen Layer
Copper wires + Open Helix Copper Tape on each core
2.4 Sheath
Low Smoke Zero Halogen Compound .
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Copper
Conductor shape
Circular compacted
Material of the inner semi-conductor
Semi-conducting compound
Insulation
XLPE
Material of the external semi-conductor
Extruded fully bonded
Concentric conductor
Copper wires and helical copper tape
Sheath colour
Red
Dimensional characteristics
Dimensional characteristics
Conductor cross-section
95 mm²
Conductor diameter
9.7 mm
Nominal insulation thickness
3.4 mm
Screen section
35 mm²
Nominal outer sheath thickness
2.7 mm
Nominal outer diameter
55.0 mm
Approximate net weight
5628 kg/km
Electrical characteristics
Electrical characteristics
Test voltage
21 kV
Rated Voltage Uo/U (Um)
12 / 20 (24) kV
Frequence
50 Hz
Mechanical characteristics
Mechanical characteristics
Cable flexibility
10xD
Mechanical resistance to impacts
Good
Usage characteristics
Usage characteristics
U.V resistance
Yes
Fire retardant
IEC 60332-3-23
Laying depth, center of system
800 mm
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Minimum operating temperature
-35 °C
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Resources
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