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    TYPE B1 & B2 Railway Signalling Cable

    • TYPE B1 & B2 Railway Signalling Cable
    • TYPE B1 & B2 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: EPR Type GP4 to BS 7655.
    • Core Wrapping: Plastic tape(s) with overlapping.
    • Sheath: HDPCP Type RS2 to BS 7655.
    Nominal Conductor Cross Section mm 0.75 1.5 2.5 10.0 16.0 35.0 70.0 95
    Maximum Conductor DC Resistance Ω/km 24.8 12.2 7.56 1.84 1.16 0.529 0.27 0.195
    Voltage Rating KV 0.65/1.1
    Nominal Insulation Thickness mm 0.85 0.8 0.8 1.0 1.0 1.2 1.4 1.6

    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 B1
    RS/B1-3G5G-1G0.75 1×0.75 7/0.37 2.0 6.5/8.1 28
    RS/B1-3G5G-1G1.5 1×1.5 7/0.53 2.0 6.8/8.5 31
    RS/B1-3G5G-1G2.5 1×2.5 7/0.67 2.0 7.2/8.9 34
    RS/B1-3G5G-1G10 1×10.0 7/1.35 2.0 9.4/11.8 205
    RS/B1-3G5G-1G35 1×35.0 19/1.53 2.0 12.9/16.1 495
    Type B2
    RS/B2-3G5G-2G1.5 2×1.5 7/0.53 2.0 9.4/12.1 135
    RS/B2-3G5G-2G2.5 2×2.5 7/0.67 2.0 10.5/13.1 170
    RS/B2-3G5G-2G10 2×10.0 7/1.35 2.0 15.0/18.7 443
    RS/B2-3G5G-2G16 2×16.0 7/1.70 2.0 16.7/20.9 625
    RS/B2-3G5G-2G35 2×35.0 19/1.53 2.2 22.3/27.8 1232
    RS/B2-3G5G-2G70 2×70.0 19/2.14 2.4 28.8/36.0 2053
    RS/B2-3G5G-2G95 2×95.0 19/2.52 2.6 33.2/41.5 2968
    RS/B2-3G5G-4G0.75 4×0.75 7/0.37 2.0 10.2/12.8 140
    RS/B2-3G5G-7G0.75 7×0.75 7/0.37 2.0 11.8/14.7 214
    RS/B2-3G5G-10G0.75 10×0.75 7/0.37 2.0 14.4/18.0 280
    RS/B2-3G5G-12G0.75 12×0.75 7/0.37 2.0 14.8/18.5 321
    RS/B2-3G5G-19G0.75 19×0.75 7/0.37 2.0 17.0/21.3 451
    RS/B2-3G5G-27G0.75 27×0.75 7/0.37 2.0 20.1/25.1 602
    RS/B2-3G5G-37G0.75 37×0.75 7/0.37 2.2 22.7/28.4 799
    RS/B2-3G5G-48G0.75 48×0.75 7/0.37 2.2 25.7/32.2 973
    RS/B2-3G5G-4G1.5 4×1.5 7/0.53 2.0 10.9/13.7 217
    RS/B2-3G5G-7G1.5 7×1.5 7/0.53 2.0 12.6/15.8 296
    RS/B2-3G5G-10G1.5 10×1.5 7/0.53 2.0 15.6/19.4 401
    RS/B2-3G5G-12G1.5 12×1.5 7/0.53 2.0 16.0/20.0 437
    RS/B2-3G5G-19G1.5 19×1.5 7/0.53 2.0 18.5/23.1 615
    RS/B2-3G5G-27G1.5 27×1.5 7/0.53 2.2 22.2/27.8 856
    RS/B2-3G5G-37G1.5 37×1.5 7/0.53 2.2 25.1/31.4 1126
    RS/B2-3G5G-48G1.5 48×1.5 7/0.53 2.4 28.1/35.1 1494
    RS/B2-3G5G-4G2.5 4×2.5 7/0.67 2.0 11.9/14.8 260
    RS/B2-3G5G-7G2.5 7×2.5 7/0.67 2.0 13.8/17.2 370
    RS/B2-3G5G-10G2.5 10×2.5 7/0.67 2.0 17.1/21.3 520
    RS/B2-3G5G-12G2.5 12×2.5 7/0.67 2.0 17.6/22.0 599
    RS/B2-3G5G-19G2.5 19×2.5 7/0.67 2.0 20.4/25.5 835
    RS/B2-3G5G-27G2.5 27×2.5 7/0.67 2.2 24.6/30.7 1232
    RS/B2-3G5G-37G2.5 37×2.5 7/0.67 2.4 27.8/34.7 1623
    RS/B2-3G5G-48G2.5 48×2.5 7/0.67 2.6 31.2/39.0 2032
    RS/B2-3G5G-6P0.75S 6×2×0.75 7/0.37 2.0 19.7/24.6 372

     

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