EUROBALISE SIF
Application
The cables are used in Eurobalise (ERTMS) speed control circuits. The cables are laid in trays alongside railway lines and connect an “Eurobalise” located between the rails to the Eurocoder (LEU) located in a control centre.
Standard
- ALSTOM 5 326 203
- SNCF CT 446
Cable Construction
| Conductors |
Class 2 stranded tinned copper. |
| Insulation |
Solid polyethylene. |
| Inner sheath |
Low density polyethylene. |
| Screen |
Two corrugated copper braid shields. |
| Intermediate Sheath |
Low density polyethylene. |
| Armour |
Galvanized steel braid armour. |
| Outer Sheath |
Flame Retardant PVC. |
Electrical Characteristics at 20℃
| Nominal Conductor Diameter |
mm |
1.04 |
| Nominal Cross Section Area |
mm^2 |
0.85 |
| Maximum Conductor Resistance (DC) |
Ω/km |
22 |
| Characteristic Impedance @100KHz-1MHz |
Ω |
95 |
| Maximum Attenuation |
|
|
| @560 kHz |
dB/km |
7.5 |
| @1MHz |
dB/km |
10 |
| Nominal Insulated Thickness |
mm |
0.63 |
Mechanical and Thermal Properties
- Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
- Temperature Range: -30℃ to +70℃ (during operation); -20℃ to +50℃ (during installation)
Dimensions and Weight
| Cable Code |
No. of cores& Nominal Conductor Cross Sectional Area |
No. & Nominal Diameter of Strands |
Nominal Sheath Thickness |
Nominal Overall Diameter |
Nominal Weight |
| Inner |
Inter. |
Outer |
| |
No.×mm^2 |
No/mm |
mm |
mm |
mm |
mm |
kg/km |
| RS/SIF-2Y2YC2Y(SWB)Y-2C0.85S |
2 x 0.85 |
7/0.386 |
1.0 |
0.5 |
1.6 |
15 |
301 |
