Fire resistant cables, copper conductor, mica tape, FR-PVC insulation – 0.6/1KV

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  • Fire resistant cables, copper conductor, mica tape, FR-PVC insulation – 0.6/1KV
    Symbol: FR-CV…mm2 – 0,6/1KV (cs/MICA)
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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: orange.
    Or by customer’s requirement.

4Structure

  • (1) Conductor: By stranded compacted circular copper.
    (2) Fire barrier: Mica tape.
    (3) Insulation: FR-PVC.

 

5Technical characteristics

  • Rated voltage U0/U: 6/1 KV.
  • Test voltage: 3,5 kV (5 minutes).
  • Maximum conductor temperature for normal operation is 70°C.
  • Maximum conductor temperature for short-circuit (5s maximum duration) is:
  • 140°C with nominal area larger than 300mm2.
  • 160°C with nominal area up to and include 300mm2.
  • 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.

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