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    FRA 400 SW4

    • FRA 400 SW4,Coaxial Cables for Railway Application
    • FRA 400 SW4,Coaxial Cables for Railway Application

    Application and Description

    These cables are designed for flexible installations, inside and outside railway rolling stock.

    Standards

    DIN 5510-2

    Construction

    • Inner conductor: Stranded silver plated copper
    • Insulation: Crosslink Foam PE (SPEX)
    • Outer conductor (shield 1): Silver plated copper
    • Outer conductor (shield 2): Silver plated copper
    • Sheath: LSZH Elastomer

    Electrical Characteristics at 20℃

    Impedance Ω 50+/-2
    Nominal Capacitance pF/m 94.5
    Minimum Insulation Resistance MΩ.km 100000
    Inner Conductor Resistance MΩ/km 29.45
    Outer Conductor Resistance MΩ/km 7.6
    Attenuation    
    @10MHz dB/100m 5
    @50MHz dB/100m 11
    @100MHz dB/100m 16
    @150MHz dB/100m 20
    @200MHz dB/100m 23
    @300MHz dB/100m 29
    @400MHz dB/100m 34
    @450MHz dB/100m 36
    @500MHz dB/100m 38
    @600MHz dB/100m 42
    @800MHz dB/100m 50
    @850MHz dB/100m 51
    @900MHz dB/100m 53
    @950MHz dB/100m 55
    @1000MHz dB/100m 56
    @1800MHz dB/100m 79
    @1900MHz dB/100m 82
    @2000MHz dB/100m 84
    @2400MHz dB/100m 94
    @3000MHz dB/100m 107
    @4000MHz dB/100m 128
    @5000MHz dB/100m 147
    @6000MHz dB/100m 165
    Velocity of propagation % 70.7

    Mechanical and Thermal Properties

    Minimum Bending Radius 25mm (static)
    Temperature Range -40℃~ +105℃

    Technical Data

    Conductor Construction Nominal Inner Conductor Diameter Nominal Outer Conductor Diameter Nominal Overall Diameter Nominal Weight
    No/mm mm mm mm kg/km
    19/0.2 1.0 4.24 5.0 60
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