IEC 60502-2 18/30(36)kV Medium Voltage Wire XLPE Insulation
Application
Medium Voltage Wire for distribution networks;also for connection to generation units and plant and process connection.
To be laid directly in ground, outdoors,indoors and in cable ducts in industrial and switchboard plants.
Performance
Voltage rating U0/U(Um):
18/30(36)kV
Chemical performance:
chemical, UV&oil resistance
Mechanical performance(minimum bending Radius):
-single core unarmoured cable:20 x overall diameter
-single core AWA or aluminum tape armoured cable:15 x overall diameter
- three core unarmoured cable:15 x overall diameter
- three core SWA or STA armoured cable:12 x overall diameter
Thermal performance :
-Maximum operating temperature:90℃
-Maximum short-circuit temperature: 250℃(Max.5s)
-Minimum service temperature：-10℃
Fire performance:
-Flame retardant according to IEC/EN 60332-1-2 standard
-Reduced emission of halogens chlorine <15%
Construction
Conductor:
stranded compacted copper or aluminum conductor , class 2.
Conductor Screen:
Semi-conductive conductor screen.
Insulation:
XLPE (cross-linked polyetlene)
-alternative:EPR (Etlene Propylene Rubber)
Insulation Screen:
Semi-conductive insulation screen.
Metallic Screen:
individual concentric copper wires and/or copper tape.
Filler:
PET(polyetlene terephthalate) fibres
Binding Tape:
polyester tape or non-woven fabric
Optional Inner Sheath:
PVC(Polyvinyl chloride)
-alternative: LSZH (Low Smoke Zero Halogen)
Optional Armour:
Single-core conductor: AWA (Aluminum Wire Armoring ) or aluminum tape
Three-core conductor: SWA (Steel Wire Armoring ) or galvanized steel tape(single or double layer flat or corrugated)
Outer Sheath:
PVC (polyvinyl chloride)
-alternative :LDPE, MDPE (Low/Medium Density Polyetlene)
-alternative: LSZH (Low Smoke Zero Halogen)
Conductor Shape:
-Single Core:circular, circular compacted
-Three Core:circular, circular compacted, sectorial
Core Identification:
Single Core: Red or black
Three Core: Red , yellow and blue
Sheath Colour:
red, black or other available colour in accord with the request
18/30(36)kV Single Core Aluminium Conductors XLPE Insulated to IEC 60502-2 Aluminium Wire Armoured
1.Aluminium Conductor
2.Semi-conductive conductor screen
3.XLPE Insulation
4.Semi-conductive insulation screen
5.Copper tape screen
6.Bedding
7.Aluminium armour
8. Outer sheath
18/30(36)kV Single Core Copper Conductors XLPE Insulated to IEC 60502-2 Aluminium Wire Armoured
1.Copper Conductor
2.Semi-conductive conductor screen
3.XLPE Insulation
4.Semi-conductive insulation screen
5.Copper tape screen
6.Bedding
7.Aluminium Armour
8. Outer sheath
Cable Marking and Packing Materials
Cable Marking:
printing, embossing ,engraving
Packing Materials:
wooden drum, steel drum, steel-wooden drum
Standards
- IEC 60502-2, IEC/EN 60228
