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    TYPE E3 Railway Signalling Cable

    • TYPE E3 Railway Signalling Cable
    • TYPE E3 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, according to IEC 60228 class 2& BS 6360.
    • Insulation: LSZH or EPR Type GP4 to BS 7655.
    • Screen: Aluminium tape.
    • Drain Wire: 2.5 mm fl exible tinned copper.
    • Sheath: LSZH.
    Nominal Conductor Cross Section mm 2.5
    Maximum DC Conductor Resistance Ω/km 8.21
    Minimum Noise Reduction dB 60
    Voltage Rating KV 0.65/1.1
    Nominal Insulation Thickness mm 1.05

    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 E3
    RS/E3-3G(St)H-1P2.5S 1 x 2 x 2.5 50/0.25 3.8 15.0/20.0 410

    Routine test voltage: 2.5kV for 5 minutes

     

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