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Cables by Standard EN 50620 : 2017

Railway Quad & Signalling Cables

ZPAU Railway Control & Signalling Cables

  • Used for signalling circuits in railway networks
  • Connect the signalling equipment center to the track-side equipment

  • Conductor : Annealed Solid Copper Conductor
  • Insulation : Polyethylene
  • Inner Sheath : Non-Hygroscopic sheath (Halogen free optional)
  • Screening : Annealed Plain Copper Tape
  • Intermediate Sheath : Polyethylene
  • Armour : Two helical applied steel tape
  • Sheath : Specially formulated PVC
  • Color : As per Customer order

  • Temperature Range : -30°C to +70°C
  • Linear Resistance : 18.1 Ω/km
  • Standard : SNCF CT 445, NF F 55-698, IEC 60332-1-2
  • Test Voltage : 750 V
  • Insulation Resistance : ≥5000 MΩ.km
  • Dielectric Strength : 4.5kV
  • Mutual Capacitance at 800Hz : ≤ 55 nF/km
  • Capaciance Unbalance : 400 pF / 500m
  • Characteristic Impedance :
  •                            i) For 20 to 45 KHz : 120±10Ω
  •                            ii) For 45 to 80 KHz :  115±10Ω
  • Linera Attenuation :
  •                            i) For 20 to 45 KHz : ≤ 2.5 dB/km
  •                            ii) For 45 to 80 KHz : ≤ 3 dB/km

  • Excellent resistance to high and low temperature
  • Resistance to oil, damp and humid weather conditions
  • Low reduction factor

Part Number No.of Pairs x Cross Sectional Area Conductor Diameter (Nom.) Overall Diameter (Nom.) Cable Weight (Approx.)
Nos./Sq.mm mm mm kg/km
8761004 4 x 2 x 1 1.13 20.5 857
8761007 7 x 2 x 1 1.13 22.8 1037
8761014 14 x 2 x 1 1.13 27.9 1434
8761021 21 x 2 x 1 1.13 32.3 1824
8761028 28 x 2 x 1 1.13 35.6 2068
8761056 56 x 2 x 1 1.13 45.7 3281

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