Railway Cables
Railway Signalling Cable Railway Points Heating Cable

FRA 213 URM SW4

Applications :

  • FRA 213 URM SW4 cables are designed for flexible installations, inside and outside railway rolling stock.

Standards :

  • DIN 5510-2

Construction :

FRA 316 SW4FRA 316 SW4

  • Inner conductor:Plain copper.

    Insulation:Crosslink PE(PEX).

    Outer conductor:Silver plated copper braid.

    Sheath:LSZH Elastomer.

Electrical Characteristics at 20 °C :

Impedance Ω 50+/-2
Nominal Capacitance pF/m 101
Minimum Insulation Resistance MΩ.km 100000
Inner Conductor Resistance MΩ/km 5.74
Outer Conductor Resistance MΩ/km 3.7
Attenuation    
@10MHz dB/100m 2
@50MHz dB/100m 4
@100MHz dB/100m 6
@150MHz dB/100m 8
@200MHz dB/100m 9
@300MHz dB/100m 12
@400MHz dB/100m 14
@450MHz dB/100m 15
@500MHz dB/100m 16
@600MHz dB/100m 18
@800MHz dB/100m 22
@850MHz dB/100m 23
@900MHz dB/100m 24
@950MHz dB/100m 25
@1000MHz dB/100m 26
@1800MHz dB/100m 40
@1900MHz dB/100m 41
@2000MHz dB/100m 43
Velocity of propagation % 66

Mechanical and Thermal Properties :

  • MinimumBending Radius:50mm (static)

  • TemperatureRange:-40℃～+105℃

Dimensions and Weight :

Conductor Construction No/mm NominalInner Conductor Diameter mm NominalOuter Conductor Diameter mm NominalOverall Diameter mm NominalWeight
7/0.75 2.25 8.15 10.3 161

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