Railway Cables
Railway Signalling Cable Railway Points Heating Cable

FRA 316 SW4

 

Applications :

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

Standards :

  • DIN 5510-2

Construction :

FRA 316 SW4

  • Inner conductor:Stranded silverplated copper.

  • Crosslink Foam PE (SPEX).

  • Outer conductor(shield1):Silver plated copper.

  • Outer conductor(shield2):Silver plated copper.

  • Sheath:LSZH Elastomer.

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