Railway Cables
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 Railway Cables

Coaxial Cables for Railway Application

FRA 316 SW4

 

 

Applications :

FRA 316 SW4 cables are designed for flexible installations, inside and outside railway rolling stock.

Construction :

  • Inner conductor:Stranded silverplated copper.

    • Crosslink Foam PE (SPEX).

    Outer conductor(shield1):Silver plated copper.

    Outer conductor(shield2):Silver plated copper.

    Sheath:LSZH Elastomer.

    Standards :

    • DIN 5510-2

      FRA 316 SW4FRA 316 SW4

    Electrical Characteristics at 20 °C :

    Impedance Ω 50+/-2
    Nominal Capacitance Minimum Insulation Resistance pF/m MΩ.km 94.5
    100000
    Inner Conductor Resistance MΩ/km 29.9
    Outer Conductor Resistance MΩ/km 7.5
    Attenuation
    		    
    @10MHz dB/100m 7
    @50MHz dB/100m 17
    @100MHz dB/100m 24
    @150MHz dB/100m 30
    @200MHz dB/100m 35
    @300MHz dB/100m 44
    @400MHz dB/100m 52
    @450MHz dB/100m 56
    @500MHz dB/100m 59
    @600MHz dB/100m 66
    @800MHz dB/100m 78
    @850MHz dB/100m 81
    @900MHz dB/100m 83
    @950MHz dB/100m 86
    @1000MHz dB/100m 89
    @1800MHz dB/100m 127
    @1900MHz dB/100m 131
    @2000MHz dB/100m 135
    @2400MHz dB/100m 152
    @3000MHz dB/100m 175
    @4000MHz dB/100m 211
    @5000MHz dB/100m 245
    @6000MHz dB/100m 277
    Velocityofpropagation % 70.7

    Mechanical and Thermal Properties :

    • Minimum Bending Radius:5mm (static)

    • Temperature Range:-40℃～+105℃

    Dimensions and Weight :

    Conductor Construction No/mm NominalInner Conductor Diameter mm NominalOuter Conductor Diameter mm NominalOverall Diameter mm NominalWeight
    7/0.18 0.54 2.5 3.16 21

    Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information