Armoured Fire resistant Power Cables


· LV Fire Resistance Cables are used in areas and applications where electrical integrity of the cable has to remain intact for at least three hours, so as to activate and maintain crucial functions such as fire fighting, public announcements, smoke extraction systems, sprinklers, emergency lighting, evacuation path lighting systems etc. those cables are installed in open air , underground , indoor and in cable ducts.

  • Armoured types would be able to bear external mechanical forces.

Technical Specification

In the voltage designation of U0/U(Um), The rated voltage of the cables considered in IEC standard are as follows: U0/U(Um)=0.6/1(1. 2) .
U0 is the rated power frequency voltage between conductor and earth or metallic screen.
U is the rated power frequency voltage between conductors.

Um is the maximum value of the "highest system voltage" for which the equipment may be used.

Construction features:

-Conductor size : Up to 630

- No. of cores : 1 to 5 cores

-Conductor material: Plain/Tinned copper

-Conductor type: Solid(Class1)/Stranded(class2)/Fine stranded (Class 5) - Shaped or round

-Primary Insulation: Mica glass tape

-Secondary Insulation: Cross-linked polyethylene (XLPE) or Polyvinyl chloride ( PVC)

-Inner sheath: Polyvinyl chloride (PVC) or halogen free compound (LSHF)


Multi core cables :Galvanized steel wire ,tape or braided armour

Single core cable :Aluminum wire or tape

-Outer sheath: Polyvinyl chloride (PVC) or halogen free compound ( LSHF)

Other features :

-Ultra violet (UV) resistant colored outer sheath

-Low smoke and fume (LSF)

-Halogen free and flame retardant (HFFR)

- Oil & hydrocarbon resistant

Standards : IEC60331, IEC60502-1,VDE0271,ISIRI3569-2











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