Railway Cables
Railway Signalling Cable Railway Points Heating Cable

FRA 59 SW4

 

Applications :

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

Standards :

  • DIN 5510-2

Construction :

FRA 59 SW4FRA 59 SW4

  • Inner conductor:Tinned copper.

    Insulation:Crosslink PE(PEX).

    Outer conductor:Tinned copper braid.

    Sheath:LSZHE lastomer.

Electrical Characteristics at 20 °C :

Impedance Ω 75+/-3
Nominal Capacitance pF/m 67
MinimumIn sulation Resistance MΩ.km 100000
Inner Conductor Resistance MΩ/km 58
Outer Conductor Resistance MΩ/km 16.1
Attenuation  
@10MHz dB/100m 3
@50MHz dB/100m 8
@100MHz dB/100m 12
@150MHz dB/100m 15
@200MHz dB/100m 18
@300MHz dB/100m 23
@400MHz dB/100m 27
@450MHz dB/100m 29
@500MHz dB/100m 31
@600MHz dB/100m 35
@800MHz dB/100m 42
@850MHz dB/100m 44
@900MHz dB/100m 46
@950MHz dB/100m 47
@1000MHz dB/100m 49
Velocity of propagation % 66

Mechanical and Thermal Properties :

  • Minimum Bending Radius: 30mm (static)

  • Temperature Range:-40℃～+105℃

Dimensions and Weight :

Conductor Construction No/mm NominalInner Conductor Diameter mm NominalOuter Conductor Diameter mm NominalOverall Diameter mm NominalWeight
7/0.22 0.66 4.45 6.1 57