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    Integrated 9/11/18/20 Cores 0.75mm^2 UIC Databus Cables

    Application

    The cables are used as connecting cables to transmit digital signals inside railway rolling stocks.

    Standard

    • DIN 5510-1

    Cable Construction


    4 cores: 10 mm^2 stranded tinned copper conductor with LSZH insulation.For 9 cores UIC databus cables:

    • Combined Element: 3 cores (with Cu-strand 2×6mm^2, 1×2.5mm^2) are twisted with a fi lling element to a combined element. Wrapping: Overlapped plasticfoil(s). Elements sheaths: TPE
    • UIC Data Bus 0.75mm^2: Two foam skin insulated tinned copper stranded conductors are twisted together with two fi lling elements to a pair.
    • Wrapping: Overlapped plastic-foil(s).
    • Screen: Tinned copper wire braid screen
    • Element sheaths: TPE.
    • Wrapping: Overlapped plastic-foil(s).
    • Stranding: 4 strands are twisted to a core together with 3 cored element, the UIC data bus and two fi llers
    • Core Wrapping: Overlapped plastic-foil(s).
    • Outer Sheath: Cross-linked oil resistant LSZH compound.

    For 11 cores UIC databus cables:

    • 4 cores: 10 mm^2 stranded tinned copper conductor with LSZH insulation.
    • Combined Element: 5 cores (with Cu-strand 2×6mm^2, 1×2.5mm^2 and 2×1.0 mm^2) are twisted with a fi lling element to form a combined element.
    • Wrapping: Overlapped plastic-foil(s).
    • Elements sheaths: TPE.
    • UIC Data Bus 0.75mm^2: Two foam skin insulated tinned copper r stranded conductors are twisted together with two fi lling elements to a pair.
    • Wrapping: Overlapped plastic-foil(s).
    • Screen: Tinned copper wire braid screen.
    • Element sheaths: TPE.
    • Wrapping: Overlapped plastic-foil(s).
    • Stranding: 4 strands are twisted to a core together with 5 cored element, the UIC data bus and two fi llers.
    • Core Wrapping: Overlapped plastic-foil(s).
    • Outer Sheath: Cross-linked oil resistant LSZH compound.

    For 18/20 cores UIC databus cables:

    • Star Quad: Four LSZH insulated 1mm^2 stranded tinned copper conductors are twisted to form a star quad.
    • UIC Data Bus 0.75mm^2: Two foam skin insulated tinned copper stranded conductors are twisted together with two fi lling elements to form a pair.
    • Wrapping: Overlapped plastic-foil(s)
    • Screen: Tinned copper wire braid screen
    • Element sheaths: TPE.
    • Wrapping: Overlapped plastic-foil(s)
    • Stranding: 4 star quads are stranded together with 2 or 4 UIC data bus cable and several fi llers.
    • Core Wrapping: Overlapped plastic-foil(s).
    • Screen: Tinned copper-wire braid screen.
    • Outer Sheath: Cross-linked oil resistant LSZH compound.

    Electrical Characteristics at 20℃

    Nominal Cross Section mm^2 0.75 1 2.5 6 10
    No of Strand/Strand Diameter   19/0.22 19/0.25 37/0.29 84/0.3 80/0.4
    Maximum Conductor Resistant Ω/km 26.7 20 8.21 3.39 1.95
    Impedance@1.0-10MHz Ω 120+/-12 - - - -
    Maximum Attenuation @1MHz dB/km 10 - - - -
    Maximum Attenuation @1.5MHz dB/km 13 - - - -
    Maximum Attenuation @2MHz dB/km 14 - - - -
    Maximum Attenuation @3MHz dB/km 18 - - - -
    Maximum Transfer Impedance mΩ/m 30 - - - -
    Nominal Voltage Rating v 300 - - - -

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 6×OD (single); 12×OD (multiple)
    • Temperature Range: -40℃ to +90℃ (during operation); -20℃ +50℃ (during installation)

    Dimensions and Weight

    Cable Code No. of cores& Nominal Conductor
    Cross Sectional Area
    No.×mm^2
    Nominal
    Sheath
    Thickness
    mm
    Nominal
    Overall
    Diameter
    mm
    Nominal
    Weight
    kg/km
    RD-UIC-4C10S+2C6S+1C2.5S+2C0.75S 4×10+2×6+1×2.5+2×0.75 1.8 25 917
    RD-UIC-4C10S+2C6S+1C2.5S+2C1S+2C0.75S 4×10+2×6+1×2.5+2×1.0+2×0.75 1.8 25 969
    RD-UIC-4Q1S+2C0.75S 4×4×1.0+ 2×0.75 1.8 18.5 498
    RD-UIC-4Q1S+2P0.75S 4×4×1.0+ 2×2×0.75 1.8 23 530

     

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