FRA 400 SW4

Applications :

FRA 400 SW4 cables are designed for flexible installations, inside and outside railway rolling stock.

Standards :

DIN 5510-2

Construction :

FRA 316 SW4

Inner conductor:Stranded silverplated copper.

Insulation:Crosslink Foam PE(SPEX).

Outer conductor(shield1):Silver plated copper.

Outer conductor(shield2):Silver plated copper.

Sheath:LSZH Elastomer.

Electrical Characteristics at 20 °C :

Impedance	Ω	50+/-2
Nomina lCapacitance	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 No/mm	NominalInner Conductor Diameter mm	NominalOuter Conductor Diameter mm	NominalOverall Diameter mm	NominalWeight
19/0.2	1.0	4.24	5.0	60

Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information