FRA 400 SW4

Applications

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

Standards

DIN 5510-2

Construction

FRA 400 SW4 FRA 400 SW4
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℃

Dimensions and Weight

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