Description
Standards
International : IEC 60228; IEC 60332-1-2; IEC 60502-2Description
1-SCOPE
This specification covers Single core unarmoured cables, conforming to IEC 60502-2 Specifications.
2. CONSTRUCTION
2.1 Conductor
Plain, annealed electrolytic copper conductors, circular stranded,conforming to the applicable requirements of IEC 60228.
2.2 Insulation
Extruded inner semi conductive layer, XLPE insulation and extruded outer semi conductive layer .
2.3 Metallic Screen Layer
Copper tape
2.4 Sheath
LSZH
3. TESTS
All tests required by IEC 60502-2 either on Raw material or on finished products.
Characteristics
Construction characteristics | |
---|---|
Conductor material | Copper |
Conductor shape | Circular |
Material of the inner semi-conductor | Extruded |
Insulation | XLPE |
Screen | Copper tape |
Outer sheath | LSZH |
Colour | Black |
Electrical characteristics | |
Thermal soil resistivity wet zone | 1.5K*m/W |
Mechanical characteristics | |
Cable flexibility | 10xD |
Usage characteristics | |
Laying depth, center of system | 800mm |
Ambient air temperature | 30°C |
Ambient ground temperature | 20°C |
Operating temperature, range | -25 .. 55°C |
Max. conductor temperature in service | 90°C |
Short-circuit max. conductor temperature | 250°C |
Specific characteristics | |
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