Railway Cables
Railway Signalling Cable Railway Points Heating Cable

FRA 59 SW4

Applications :

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

Standards :

• DIN 5510-2

Construction :

• Inner conductor:Tinned copper.

  Insulation:Crosslink PE(PEX).

  Outer conductor:Tinned copper braid.

  Sheath:LSZHE lastomer.

Electrical Characteristics at 20 °C :

Impedance	Ω	75+/-3
Nominal Capacitance	pF/m	67
MinimumIn sulation Resistance	MΩ.km	100000
Inner Conductor Resistance	MΩ/km	58
Outer Conductor Resistance	MΩ/km	16.1
Attenuation
@10MHz	dB/100m	3
@50MHz	dB/100m	8
@100MHz	dB/100m	12
@150MHz	dB/100m	15
@200MHz	dB/100m	18
@300MHz	dB/100m	23
@400MHz	dB/100m	27
@450MHz	dB/100m	29
@500MHz	dB/100m	31
@600MHz	dB/100m	35
@800MHz	dB/100m	42
@850MHz	dB/100m	44
@900MHz	dB/100m	46
@950MHz	dB/100m	47
@1000MHz	dB/100m	49
Velocity of propagation	%	66

Mechanical and Thermal Properties :

• Minimum Bending Radius: 30mm (static)

• Temperature Range:-40℃～+105℃

Dimensions and Weight :

Conductor Construction No/mm	NominalInner Conductor Diameter mm	NominalOuter Conductor Diameter mm	NominalOverall Diameter mm	NominalWeight
7/0.22	0.66	4.45	6.1	57