FRA 179 SW4

Applications :

• FRA 179 SW4 cables are designed for flexible installations, inside and outside railway rolling stock.

Standards :

• ●DIN 5510-2

Construction :

• Inner conductor: Stranded silver plated copper clad steel.
  Insulation: Crosslink Foam PE (SPEX).
  Outer conductor: Silver plated copper.
  Sheath: LSZH Elastomer.

Electrical Characteristics at 20 °C :

• Impedance	Ω	75+/-3
  Nominal Capacitance	pF/m	60
  Minimum Insulation Resistance	MΩ.km	100000
  Inner Conductor Resistance	MΩ/km	800.5
  Outer Conductor Resistance	MΩ/km	27.9
  Attenuation
  @50MHz	dB/100m	16
  @100MHz	dB/100m	24
  @150MHz	dB/100m	30
  @200MHz	dB/100m	34
  @250MHz	dB/100m	39
  @300MHz	dB/100m	43
  @350MHz	dB/100m	47
  @400MHz	dB/100m	51
  @450MHz	dB/100m	54
  @500MHz	dB/100m	57
  @550MHz	dB/100m	61
  @600MHz	dB/100m	64
  @650MHz	dB/100m	67
  @700MHz	dB/100m	70
  @750MHz	dB/100m	72
  @800MHz	dB/100m	75
  @850MHz	dB/100m	78
  @900MHz	dB/100m	81
  @950MHz	dB/100m	83
  @1000MHz	dB/100m	86
  Velocity of propagation	%	69.8

Mechanical and Thermal Properties :

• Minimum Bending Radius: 5mm (static)
  Temperature Range: -40℃～ +105℃

Dimensions and Weight :

Conductor Construction No/mm	Nominal Inner Conductor Diameter mm	Nominal Outer Conductor Diameter mm	Nominal Overall Diameter mm	Nominal Weight kg/km
7/0.1	0.305	2.13	2.54	11.1