Railway Cables | ||||||||||||
FRA 316 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
29.9
Outer Conductor Resistance
MΩ/km
7.5
Attenuation
@10MHz
dB/100m
7
@50MHz
dB/100m
17
@100MHz
dB/100m
24
@150MHz
dB/100m
30
@200MHz
dB/100m
35
@300MHz
dB/100m
44
@400MHz
dB/100m
52
@450MHz
dB/100m
56
@500MHz
dB/100m
59
@600MHz
dB/100m
66
@800MHz
dB/100m
78
@850MHz
dB/100m
81
@900MHz
dB/100m
83
@950MHz
dB/100m
86
@1000MHz
dB/100m
89
@1800MHz
dB/100m
127
@1900MHz
dB/100m
131
@2000MHz
dB/100m 135
@2400MHz
dB/100m 152
@3000MHz
dB/100m 175
@4000MHz dB/100m 211
@5000MHz
dB/100m 245
@6000MHz
dB/100m 277
Velocity of propagation
% 70.7
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 |
7/0.18 |
0.54 |
2.5 |
3.16 |
21 |