FRA 400 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	29.45
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