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    450/750V Track Feeder Cables to RT/E/S/21101

    Application

    The cables can provide the 450/750 volt DC supply from Traction Substations and Track Paralleling Huts to conductor rails, negative cable connections and where appropriate bonding.

    Standard

    • NR/PS/ELP/21101 (formerly RT/E/S/21101)
    • BS 638 Part 4
    • UNE 21027

    Cable Construction

    • Electrical Characteristics at 20℃Conductors: Class 5 st randed aluminium or tinned copper to BS EN 60228: 2005 (previously BS 6360).
    • Core Wrapping: PETP (Polyethylene Terephthalate).
    • Sheath: CSP(Chlorosulfonated Polyethylene) type RS4 to BS 6899.
    • H.O.F.R. heat resistant, oil resistant and fl ame retardant.
    Nominal Conductor Cross Section mm^2 161 500 630 150 240 500 800 1000
    Conductor Material   copper Aluminium
    Maximum DC Conductor Resistance Ω/km 0.109 0.0369 0.0286 0.206 0.125 0.0605 0.0307 0.0291
    Assigned Continuous Current Rating A 550 1200 1500 430 550 800 1200 1500
    Voltage Rating KV 0.45/0.75

    Mechanical and Thermal Properties

    • Miniumum Bending Radius: 10×OD (Aluminium Conductor); 8×OD (Copper Conductor)
    • Operating Temperatures: -25℃ to +85℃ (during operation); -10℃ to +70℃ (during installation)

    Dimensions and Weight

    Cable Code No. of cores&
    Nominal Conductor
    Cross Sectional
    Area
    No.×mm^2
    No. &
    Nominal
    Diameter of
    Strands
    No/mm
    Nominal
    Sheath
    Thickness
    mm
    Nominal
    Overall
    Diameter
    mm
    Nominal
    Weight
    kg/km
    Polarity/
    Gland Size
    Copper Conductor
    RF21101-H01N2-D-450/750V-1G161CU 1×161 820/0.5 4.0 25.9 2050 negative/32
    RF21101-H01N2-D-450/750V-1G500CU 1×500 1769/0.6 4.0 42.3 5582 negative/50
    RF21101-H01N2-D-450/750V-1G630CU 1×630 2257/0.6 4.0 45.9 6879 positive/63S
    Aluminium Conductor
    RF21101-H01N2-D-450/750V-1G150AL 1×150 756/0.5 4.0 20.5 581 negative/25
    RF21101-H01N2-D-450/750V-1G240AL 1×240 1221/0.5 4.0 29.6 1171 negative/40
    RF21101-H01N2-D-450/750V-1G500AL 1×500 1769/0.6 4.0 42.0 2361 positive/50
    RF21101-H01N2-D-450/750V-1G800AL 1×800 2825/0.6 4.0 50.2 3498 negative/63S
    RF21101-H01N2-D-450/750V-1G1000AL 1×1000 3531/0.6 4.0 55.0 4226 positive/63

     

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