FRA 316 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
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	29.9
Outer Conductor Resistance	MΩ/km	7.5
Attenuation
@10MHz	dB/100m	7
@50MHz	dB/100m	17
@100MHz	dB/100m	24
@150MHz	dB/100m	30
@200MHz	dB/100m	35
@300MHz	dB/100m	44
@400MHz	dB/100m	52
@450MHz	dB/100m	56
@500MHz	dB/100m	59
@600MHz	dB/100m	66
@800MHz	dB/100m	78
@850MHz	dB/100m	81
@900MHz	dB/100m	83
@950MHz	dB/100m	86
@1000MHz	dB/100m	89
@1800MHz	dB/100m	127
@1900MHz	dB/100m	131
@2000MHz	dB/100m	135
@2400MHz	dB/100m	152
@3000MHz	dB/100m	175
@4000MHz	dB/100m	211
@5000MHz	dB/100m	245
@6000MHz	dB/100m	277
Velocity of propagation	%	70.7

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
7/0.18	0.54	2.5	3.16	21