Railway Cables
Railway Signalling Cable Railway Points Heating Cable

FRA 400 SW4

Applications :

Standards :

FRA 316 SW4

FRA 316 SW4

Construction :

Electrical Characteristics at 20 °C :

Impedance Ω 50+/-2
Nomina lCapacitance 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 :

Dimensions and Weight :

Conductor Construction No/mm NominalInner Conductor Diameter mm NominalOuter Conductor Diameter mm NominalOverall Diameter mm NominalWeight
19/0.2 1.0 4.24 5.0 60