Fire resistant cables, copper conductor, XLPE insulation, aluminum tape armour, FR-PVC sheath – 0,6/1KV

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Fire resistant cables, copper conductor, XLPE insulation, aluminum tape armour, FR-PVC sheath – 0,6/1KV
Symbol:
FR-DK-CXV…mm² – 0,6/1KV (cs) 2, 3, 4 lõi
FR-DK-CXV 3x…+1x…mm2 – 0,6/1KV (cs/MICA)

1General

  • Used in backup power system in case of fire, suitable for public facilities…, rated voltage 0.6/1KV, fixed wiring.

2Applied standard

  • TCVN 5935-1 / IEC 60502-1; TCVN 6612 / IEC 60228; IEC 60331 or equivalent standard.

3Identification of cores

  • By color of insulation or by color stripe: red – yellow – blue – black or non stripe.
  • Outer sheath: orange.
    Or by customer’s requirement.

4Structure

  • (1) Conductor: By stranded compacted circular copper.
    (2) Fire barrier: Mica tape.
    (3) Insulation: XLPE.
    (4) Filler and Inner sheath: FR-PVC.
    (5) Metallic armour: aluminum tapes.
    (6) Outer sheath: FR-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.
  • The flame retardant wires have a significant reduced tendency to propagate fire.
  • The wires must self-extinguish after removing the fire source.
  • Test for electric cable under fire condition:
    • Flame temperature: 750°C.
    • Flame application time: 90 minutes.
      Test voltage: 600V.