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    Digicode 30KHz Indoor Signalling Cables

    Application

    The cables are designed for transmission of track circuit digicode signals up to 30 kHz in electrified lines.

    Standard

    • EN 50266-2-4 & IEC 60332-3(Fire performance)
    • EN 50268-2(Smoke density)
    • EN 50267-2-1(Halogen content)
    • EN 50267-2-2(Gases acidity)
    • EN 50265-2-1, IEC 60332-1, NF C 32070 Cat C2 compliant (for PVC sheathed cables)

    Cable Construction

    • Electrical Characteristics at 20℃Conductors: Solid Annealed copper, 1.4 mm nominal diameter (0.6 mm for the auxiliary pair).
    • Insulation: Polyethylene.
    • Cabling Element: Two insulated conductors are twisted together to form a pair.
    • Stranding: Pairs are helically stranded to get the cable core.
    • Core Wrapping: Plastic tape(s) with overlapping.
    • Inner Sheath: Low density polyethylene.
    • Moisture Barrier: Copolymer coated laminated aluminium tape.
    • Intermediate Sheath: LSZH fi re retardant compound. PE or PVC option can be offered upon request.
    • Mechanical Protection: Two helically applied steel tapes.
    • Outer Sheath: LSZH fi re retardant compound. PE or PVC option can be offered upon request.
    Nominal Conductor Diameter mm 1.4
    Maximum DC Conductor Resistance Ω/km 12.1
    Maximum Resistance Unbalance % 3
    Minimum Insulation Resistance @500 V DC (1min) MΩ.km 5000
    Dielectric Strength (DC voltage 1 min)    
    Conductor to Conductor V 1000
    Conductor to Screen V 3000
    Minimum Spark Test On Outer Sheath (AC voltage) V 5000
    Maximum Mutual Capacitance (Data pairs) nF/km 45
    Nominal Mutual Capacitance (Auxiliary pair) nF/km 50
    Maximum Capacitance Unbalance    
    Pair to Pair nF/500m 400
    Pair to Ground nF/500m 1500
    Maximum Characteristic Pair Attenuation    
    @2.1KHz dB/km 0.64
    @4.1KHz dB/km 0.76
    @9.5KHz dB/km 1.05
    @20.7KHz dB/km 1.28
    Minimum Near End Crosstalk Attenuation (NEXT)    
    @4.1KHz dB/km 54
    @20.7KHz dB/km 42
    Minimum Far End Crosstalk Attenuation (FEXT)    
    @4.1KHz dB/km 59
    @20.7KHz dB/km 48
    Minimum Unbalance Attenuation dB 40
    Maximum Rated Voltage, between pair conductors V rms 220
    Maximum Rated Current A rms 1

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
    • Temperature Range: -40℃ to +60℃ (during operation); -20℃ to +50℃ (during installation)

    Dimensions and Weight

    Cable Code Number of
    Pairs
    Nominal Sheath Thickness
    mm
    Nominal Overall
    Diameter
    mm
    Nominal
    Weight
    kg/km
    Inner Interm. Outer
    RS/DIG-2Y2Y(L)HBH-1P1.4 1* 0.7 1.3 1.5 17.9 428
    RS/DIG-2Y2Y(L)HBH-2P1.4 2* 0.7 1.3 1.5 19.2 497
    RS/DIG-2Y2Y(L)HBH-3P1.4 3 0.7 1.3 1.5 20.2 562

     

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