Railway Cables | ||||||||||||
FRA 400 SW4
Applications :
-
These 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
@6000MHzdB/100m
dB/100m147
165
Velocity of propagation
%
70.7
Mechanical and Thermal Properties :
- Minimum Bending Radius: 25mm (static)
- Temperature Range: -40℃~ +105℃
Dimensions and Weight :
Conductor Construction |
Nominal Inner Conductor Diameter mm | Nominal Outer Conductor Diameter |
Nominal Overall Diameter mm | Nominal Weight kg/km |
19/0.2 |
1.0 |
4.24 |
5.0 |
60 |