Railway Cables | ||||||||||||
FRA 179 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 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
Mechanical and Thermal Properties :
- Minimum Bending Radius: 5mm (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 |
7/0.1 |
0.305 |
2.13 |
2.54 |
11.1 |