FRA 179 SW4

Applications

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

Standards

DIN 5510-2

Construction

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