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Low voltage underground cables copper conductor, XLPE insulation, filler, inner sheath, metallic armour, PVC sheath – 0,6/1KV

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  • Low voltage underground cables copper conductor, XLPE insulation, filler and inner sheath, metallic armour, pvc sheath – 0,6/1KV
    Symbol:
    -CXV/DSTA/PVC…mm2 – 0,6/1KV (cs) 2, 3, 4, 5 lõi
    -CXV/DSTA/PVC 3x…+1x…mm2 – 0,6/1KV (cs)
    -CXV/DSTA/PVC…mm2 – 0,6/1KV (cs/WB/PET) 2, 3, 4, 5 lõi
    -CXV/DSTA/PVC 3x…+1x…mm2 – 0,6/1KV (cs/WB/PET)
    -CXV/DSTA…mm2 – 0,6/1KV (cs/PP/PET) 2, 3, 4 lõi
    -CXV/DSTA 3x…+1x…mm2 – 0,6/1KV (cs/PP/PET)
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1General

  • Low voltage underground cable used for underground power transmission and distribution system, rated voltage 0.6/1 kV, fixed wiring.

2Applied standard

  • TCVN 5935-1 / IEC 60502-1; TCVN 6612 / IEC 60228 or equivalent standard.

3Identification of cores

    • – By color of insulation or by color stripe:
    • + Single core cable: natural color of XLPE.
    • + Multi-core cable: red – yellow – blue – green – black or non stripe.
    • – Outer sheath: black.Or by customer’s requirement.

4Structure

  • (1) Conductor: copper wire (class 2), concentrically stranded or compacted circular.
    (2) Water-blocking: Without/with water-blocking material and wrapping PET tape.
    (3) Insulation: XLPE.
    (4) Filler and Inner sheath: PVC.
    (5) Metallic armour: double steel tapes or double aluminum tapes.
    (6) Outer sheath: PVC.

 

5Technical characteristics

  • Rated voltage U0/U: 0,6/1 kV.
  • Test voltage: 3,5 kV (5 minutes).
  • Maximum conductor temperature for normal operation is 90°C.
    Maximum conductor temperature for short-circuit (5s maximum duration) is 250°C.

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