FRA 400 SW4

Applications :

• FRA 400 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 Foam PE (SPEX).
  Outer conductor (shield 1): Silver plated copper.
  Outer conductor (shield 2): Silver plated copper.
  Sheath: LSZH Elastomer.

Electrical Characteristics at 20 °C :

• 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 No/mm	Nominal Inner Conductor Diameter mm	Nominal Outer Conductor Diameter mm	Nominal Overall Diameter mm	Nominal Weight kg/km
19/0.2	1.0	4.24	5.0	60