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.
ALSTOM 5 326 203
SNCF CT 446
Electrical Characteristics at 20℃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.
| Nominal Conductor Diameter | mm | 1.04 |
| Nominal Cross Section Area | mm | 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 |
Minimum Bending Radius: 8×OD (static); 16×OD (dynamic)
Temperature Range: -30℃ to +70℃ (during operation); -20℃ to +50℃ (during installation)
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm | No. & Nominal Diameter of Strands No/mm | Nominal Sheath Thickness mm | Nominal Overall Diameter mm | Nominal Weight kg/km | ||
|---|---|---|---|---|---|---|---|
| Inner | Inter. | Outer | |||||
| BRAIL SIF-2Y2YC2Y(SWB)Y-2C0.85S | 2 x 0.85 | 7/0.386 | 1.0 | 0.5 | 1.6 | 15 | 301 |
