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    RT/F3 E1/E2/E3 Type Axle Counter Cable

    • RT/F3 E1/E2/E3 Type Axle Counter Cable
    • RT/F3 E1/E2/E3 Type Axle Counter Cable

    Application

    The cables are designed for transmission of signals up to 90 kHz in axle counter train detection systems.

    Standard

    • RT/E/PS/00031

    Cable Construction

    • Type CodesConductors: Tinned copper, 0.9/1.4 mm nominal diameter.
    • Insulation: Solid polyethylene.
    • Cabling Element: Two insulated conductors are twisted together to form a pair.
    • Stranding: Pairs are helically stranded in concentric layers.
    • Filling: Cable core interstices are filled with a low-permitivity compound. Unfi lled cables option can be offered upon request.
    • Core Wrapping: Plastic tape(s) with overlapping.
    • Moisture Barrier: One laminated sheath made of aluminium tape coated with PE Copolymer on at least one side is applied with longitudinally overlap.
    • Inner Sheath: Polyethylene or LSZH fi re retardant compound.
    • Electrostatic Shield: One layer of helically applied copper wires.
    • Electromagnetic Shield: Two helically applied steel tapes.
    • Outer Sheath: Polyethylene or LSZH fi re retardant compound. Ruggedised PE sheath compound can be offered upon request.
    • F1 class: Non LSZH cables.
    • F5 class: Unfi lled cables
    • D type: Unarmoured types
    • R type: Ruggedised PE sheath
    • S type: Steel tape armoured types
    • B type: Brass tape armoured types
    • E1, E2 & E3 types: 3 different induction protection levels available.

    Electrical Characteristics at 20℃

    Nominal Conductor Diameter mm 0.9 1.4
    Nominal Conductor Cross Section mm 0.63 1.5
    Maximum Conductor Resistance Ω/km 30.0 12.5
    Minimum Insulation Resistance @500 V DC (1min) MΩ.km 5000 5000
    Nominal Conductor Capacitance @800Hz/1000Hz (AC) nF/km 42+3 47+3
    Dielectric Strength, conductor to screen (DC voltage 2mins) V 3000 3000
    Maximum Average Attenuation      
    @1.0KHz dB/km 0.73 0.45
    @2.4KHz dB/km 1.10 0.62
    @40KHz dB/km 2.88 1.77
    @90KHz dB/km 3.70 2.41
    @1.024MHz dB/km 11.2 7.45
    Minimum Average Near-end Crosstalk      
    @1.0KHz dB/km 60 60
    @2.4KHz dB/km 60 60
    @40KHz dB/km 50 50
    @90KHz dB/km 50 50
    @1.024MHz dB/km 35 35
    Maximum Reduction Factor @100V/km,50Hz      
    EMI RF 1 (modest level)   0.65 0.65
    EMI RF 2 (medium level)   0.45 0.45
    EMI RF 3 (high level)   0.20 0.20

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 7.5×OD (unarmoured); 10×OD (armoured)
    • Temperature Range: -30℃ to +60℃ (during operation); -10℃ to +60℃ (during installation)

    Dimensions and Weight

    Cable Code Number
    of Pairs
    Nominal Sheath Thickness
    mm
    Nominal Overall
    Diameter
    mm
    Nominal Weight
    kg/km
    Inner Outer
    0.9mm Conductor , 1.8mm Insulated Wire
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-2P0.9 2 2.2 2.4 23.4 1300
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-10P0.9 10 2.2 2.4 31.8 1650
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-12P0.9 12 2.2 2.4 35.0 1760
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-19P0.9 19 2.2 2.4 41.4 2275
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-24P0.9 24 2.2 2.4 44.0 2450
    1.4mm Conductor, 2.7mm Insulated Wire
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-2P1.4 2 2.2 2.4 33.6 1480
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-10P1.4 10 2.2 2.4 40.2 2200
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-12P1.4 12 2.2 2.4 42.2 2325
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-19P1.4 19 2.2 2.4 47.5 2975
    RS/RT/F3-S/E3-2Y(F)(L)2YDB2Y-24P1.4 24 2.2 2.4 52.5 3150

     

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