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Our Certificates

Standart: IEC 60 502-2 , IEC 60 332-3

Description: Cu / Al conductors • XLPE insulation • Cu screen • PVC sheath–flame retardant

Application:

The three-core cables flame retardant with insulation of cross-linked polyethylene (XLPE) are designed for transfer and distribution of electrical power with nominal voltage Uo/U 6/10 kV and frequency 50 Hz. The cables are manufactured with sheaths of flame retardant materials. They are suitable for use in distribution installations, electric power stations and substations for fixed indoor assembly in cable ducts and conduits, over shelves and grilles. They should not be laid directly underground or in water. The cables should not be laid in or near nuclear stations.

Features:

 

 

Cable construction

Technical data

Construction According to  IEC 60502-2 and IEC 60332-3 Conductor resistance at 20° C According to IEC60228
Conductor Сu and Al stranded compacted wiresto IEC 60228 cl.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 and semi-conductive tape Nominal voltage Uo/U 6/10 kV
Highest system voltage Uo/U, no more than 6/10 kV
12 kV
Test voltage
AC (») - 5 min
DC (=) - 15 min
6/10 kV
21 kV
67 kV   
Metal screen -I option - Cu tapes
laid with overlap over each phase
-II option - Cu wires laid concentrically
Bending radius 15 x Dcable
Cable assembly Three insulated and screened phases are twisted with fillings and tape support Temperature of laying no less than -5° C
Inner sheath I –option - fillings and sheat -exstruded PVC compound flame retardant- kat A
II-option - fillings and  tapes- kat B and C
Sheath PVC compound flame retardant Temperature of exploitation -30° C to 50° C
Color black Tests-flame retardant IEC 60 502
IEC 60332-3 Kat A - 7l/m Kat B(3.5l/m)and C(1.5l/m)