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Standart: IEC 60502-2, VDE 0276/620

Description: Cu or Al conductors • XLPE insulation • Cu screen with WB element • Al foil • PE sheath

Application:

The three-core cables with insulation of cross-linked polyethylene (XLPE) and longitudinal and radial water-blocking elements, are designed for transfer and distribution of electrical power with nominal voltage Uo/U 6/10; 12/20 kV and frequency 50 Hz in urban and district electrical networks and for electrical supply of transformer’s substations, small and medium industrial plants. They are suitable for use in distribution installations, electric power stations and industrial systems. The cables are for fixed assembly in lines with unlimited difference levels, indoor installations, in cable ducts, conduits and shafts, over shelves and grills directly underground in ditch and outdoor shelter.

Features:

 

 

Cable construction

Technical data
Construction According to IEC 60502 and DIN VDE 0276-620 Conductor resistance According to BDS904 (IEC60228) class 2
Conductor Сu and Al stranded compacted, according to IEC 60228 class 2 and VDE 0295 class 2 Operating temperature 90° C continuous operation
Short circuit temperature 250° C ( 5 sec.)
Inner semi- conductive layer semi-conductive XLPE compound Overload temperature 130° C /100h per year max./
Insulation XLPE compound
Outer semi- conductive layer semi-conductive XLPE compound Nominal voltage Uo/U 6/10; 12/20 kV
Highest system voltage Uo/U, no more than 6/10; 12/20 kV
12; 24 kV;
Test voltage
AC (») - 5 min
DC (=) - 15 min		 6/10; 12/20 kV
21; 42kV
67; 134kV   
Water resisting element  Layer of semi-conductive water absorbing tapes - discret Bending radius
15 x Dcable
Level of partial discharge at 2*Uo max. 5 pC / 2 pC
Metal screen Cu wires concentrically laid and one contact of Cu tape with thickness of 0.1mm. Temperature of laying no less than -20° C
Water resisting element Layer of semi-conductive water absorbing tapes
Cable assembly Three insulated and screened phases with longitudinal water-blocking element are twisted in three core cable Filling – filiers with water-blocking element Temperature of exploitation -30° C to 50° C
Inner sheath Layer of semi-conductive water absorbing tapes Tests according to IEC 60502-2 or DIN VDE 0276-620
Radial protection from moisture ingress  Al foil with copolymer layer Force of strain in laying N max. Al cores - 30*n*S core
Cu cores - 50*n*S core,
-n-number of cores and -S-nominal cross section of cores in mm
Sheath PE compound - HDPE
Color black

 

 

 

 

 

 

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