FRA 179 SW4

Applications

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

Standards

DIN 5510-2

Construction

FRA 179 SW4 FRA 179 SW4
Inner conductor Stranded silver plated copper clad steel
Insulation Crosslink Foam PE (SPEX)
Outer conductor Silver plated copper
Sheath LSZH Elastomer

Electrical Characteristics at 20℃

Impedance Ω 75+/-3
Nominal Capacitance pF/m 60
Minimum Insulation Resistance MΩ.km 100000
Inner Conductor Resistance MΩ/km 800.5
Outer Conductor Resistance MΩ/km 27.9
Attenuation  
@50MHz dB/100m 16
@100MHz dB/100m 24
@150MHz dB/100m 30
@200MHz dB/100m 34
@250MHz dB/100m 39
@300MHz dB/100m 43
@350MHz dB/100m 47
@400MHz dB/100m 51
@450MHz dB/100m 54
@500MHz dB/100m 57
@550MHz dB/100m 61
@600MHz dB/100m 64
@650MHz dB/100m 67
@700MHz dB/100m 70
@750MHz dB/100m 72
@800MHz dB/100m 75
@850MHz dB/100m 78
@900MHz dB/100m 81
@950MHz dB/100m 83
@1000MHz dB/100m 86
Velocity of propagation % 69.8

Mechanical and Thermal Properties

Minimum Bending Radius 5mm (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
7/0.1 0.305 2.13 2.54 11.1
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