Medium Voltage Cable to IEC 60502

Stranded circular compacted copper conductors, XLPE insulated, copper tape screened, three cores assembled together with non-hygroscopic polypropylene fillers, covered with extruded or taped bedding, armoured or unarmoured and PVC sheathed. Cables comply with IEC 60502.

Construction

  • Conductor

    Plain circular compacted copper conductor to IEC 228 class 2. Aluminium conductor available on request.

  • Conductor Screen

    Extruded semiconductive compound.

  • Insulation

    XLPE

  • Insulation Screen(non-metallic part)

    Extruded layer of semiconductive compound firmly bonded to insulation.

    Semiconductive compound easy strippable from insulation available on request.

  • Insulation Screen(metallic part)

    Copper tapes 0.10 mm thickness. Copper wires screen available on request.

  • Bedding for armoured cables

    An extruded PVC layer.

  • Armour

    a. Galvanized steel tapes or galvanized steel wires, applied over the PVC bedding.

    b. Single Core Cables will have Aluminium wire armour .

  • Outer Sheath

    PVC type ST2 to IEC 502 colour red(black on request). Special PVC formulations with flame retardant and/or anti-termite properties available on request. Low smoke halogen free sheaths available on request.

  • Colours for core identification

    Red, yellow and blue narrow tapes applied between non-metallic and metallic parts of insulation screen.

  • Application

    MV cables are used for bulk power transmission and distributions. These cables are generally suitable for direct burial or for installation on trays or in ducts. Where there is a risk of mechanical damage, armoured cables should be used.

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