Railway Cables
Railway Signalling Cable Railway Points Heating Cable

FRA 213D SW4

Applications :

• FRA 213D SW4 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 PE(PEX).

  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	101
Minimum Insulation Resistance	MΩ.km	100000
Inner Conductor Resistance	MΩ/km	5.8
Outer Conductor Resistance	MΩ/km	4.43
Attenuation
@10MHz	dB/100m	2
@50MHz	dB/100m	5
@100MHz	dB/100m	8
@150MHz	dB/100m	10
@200MHz	dB/100m	12
@300MHz	dB/100m	15
@400MHz	dB/100m	17
@450MHz	dB/100m	19
@500MHz	dB/100m	20
@600MHz	dB/100m	22
@800MHz	dB/100m	27
@850MHz	dB/100m	28
@900MHz	dB/100m	29
@950MHz	dB/100m	30
@1000MHz	dB/100m	31
@1800MHz	dB/100m	45
@1900MHz	dB/100m	47

@2000MHz	dB/100m	49
@2400MHz	dB/100m	55
@3000MHz	dB/100m	64
@4000MHz	dB/100m	79
@5000MHz	dB/100m	93
@6000MHz	dB/100m	106
Velocity of propagation	%	66

Mechanical and Thermal Properties :

• Minimum Bending Radius:50mm (static)

• Temperature Range:-40℃～+105℃

Dimensions and Weight :

Conductor Construction No/mm	NominalInner Conductor Diameter mm	NominalOuter Conductor Diameter mm	NominalOverall Diameter mm	NominalWeight
7/0.75	2.25	8.7	10.8	202