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    TYPE A1, A2 & A3 Railway Signalling Cable

    • TYPE A1, A2 & A3 Railway Signalling Cable
    • TYPE A1, A2 & A3 Railway Signalling Cable

    Application

    The cables are designed for railway signalling systems. The cables are suitable for use in d.c. circuits where the nominal voltage to earth does not exceed 1100 volts and are suitable for installation in ducts.

    Standard

    • NR/PS/SIG/00005(formerly RT/E/PS/00005)

    Cable Construction

    • Electrical Characteristics at 20℃Conductors: Tinned stranded copper, class 2 according to IEC 60228 & BS 6360.
    • Insulation: LSZH crosslinked.
    • Core Wrapping: Plastic tape(s) with overlapping.
    • Sheath: LSZH (for types A2 & A3 only).
    Nominal Conductor Cross Section mm 0.75 1.15
    Maximum Conductor DC Resistance Ω/km 24.8 17.3
    Voltage Rating KV 0.65/1.1
    Nominal Insulation Thickness mm 0.85 0.85

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 6×OD (static); 15×OD (dynamic)
    • Temperature Range:-25℃ to +85℃ (during operation); -10℃ to +85℃ (during installation)

    Dimensions and Weight

    Cable Code No. of cores& Nominal
    Conductor Cross
    Sectional Area
    No.×mm
    No. & Nominal
    Diameter of Strands
    No/mm
    Nominal Sheath
    Thickness
    mm
    Overall Diameter
    Min/Max
    mm
    Nominal
    Weight
    kg/km
    Type A1(without sheath)
    RS/A1-H-1G0.75(BL) 1x0.75(blue) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G0.75(BR) 1x0.75(brown) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G0.75(RD) 1x0.75(red) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G0.75(OR) 1x0.75(orange) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G0.75(GR) 1x0.75(green) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G0.75(VI) 1x0.75(violet) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G0.75 1x0.75(black) 7/0.37 - 2.7/3.2 16
    RS/A1-H-1G1.15 1x1.15(black) 16/0.30 - 2.9/3.6 21
    Type A2(with sheath)
    RS/A2-3GH-1G0.75 1x0.75 7/0.37 0.7 4.0/5.0 30
    RS/A2-3GH-1G1.15 1x1.15 16/0.30 0.7 4.3/5.3 35
    Type A3(with sheath)
    RS/A3-3GH-2G0.75 2x0.75 7/0.37 0.9 6.7/8.8 67
    RS/A3-3GH-4G0.75 4x0.75 7/0.37 1.0 8.0/10.4 108
    RS/A3-3GH-6G0.75 6x0.75 7/0.37 1.1 9.7/12.5 160
    RS/A3-3GH-10G0.75 10x0.75 7/0.37 1.2 12.6/16.1 259
    RS/A3-3GH-14G0.75 14x0.75 7/0.37 1.3 13.8/17.7 495
    RS/A3-3GH-36G0.75 36x0.75 7/0.37 1.6 21.6/26.9 752
    RS/A3-3GH-48G0.75 48x0.75 7/0.37 1.6 24.3/30.7 963

     

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