Application:
These cables are used for transfer of signals in railway networks in signalling circuits to connect the signalling equipment.
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Construction |
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In multiples of Cores / Pairs / Quads |
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Conductor |
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Solid / stranded wire(s) of annealed high conductivity copper. |
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Insulation |
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PVC / Polyethylene / XLPE |
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Core Formation |
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Insulated Cores / Pairs / Quads laid-up together |
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Inner / Intermediate Sheath |
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PVC / Polyethylene / HFFR |
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Shielding |
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Dual layer of Aluminium Wire |
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Additional Covering |
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Non-Hygroscopic Tape / Chromium Bromate Tape |
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Armouring |
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Galvanized Round Wire / Strip / Double Steel Tape. |
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Outer Sheath |
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PVC / Polyethylene / HFFR |
SNCF CT 445, NF F 55-698, IRS S 63, IRS S76, IRS TC 30, IRS SPC_TC_72, IEC 60332-1-2
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Temperature Range |
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-30°C to +90°C |
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Insulation Resistance |
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≥5000 MΩ.km |
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Dielectric Strength |
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4.5kV |
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Mutual Capacitance at 800Hz |
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≤ 55 nF/km |
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Capacitance Unbalance |
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400 pF / 500m |
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Characteristic Impedance |
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i) For 20 to 45 KHz : 120±10Ω |
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ii) For 45 to 80 KHz : 115±10Ω |
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Linera Attenuation |
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i) For 20 to 45 KHz : ≤ 2.5 dB/km |
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ii) For 45 to 80 KHz : ≤ 3 dB/km |
Features:
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Excellent resistance to high and low temperature. |
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Resistance to oil, damp and humid weather conditions. |
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Low reduction factor. |
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Suitable for use on AC systems (Earthed or unearthed) for rated voltage upto 1100 volts. |
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Suitable for use on DC systems for rated voltage upto 1500 volts. |
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