Digicode Railway cables indoor
Description
Indoor railways cable for the transmission of Digicode signals
Description
Indoor railways cable for the transmission of Digicode signals
Standards
International : EN 50266-2-4; EN 50267-2-1; EN 50267-2-2; EN 50268-2; IEC 60332-1; IEC 60332-3; IEC 61034-1/2Description
Preferential use
- Indoor railways cable for the transmission of Digicode
Key-points
- Flame retardant
- halogen free
- Armoured
Construction
- Conductor: Wire copper of 1.4 mm nominal diameter for the data pairs (0.6 mm for the auxiliary pair).
- Insulation: Solid polyethylene.
- Twinning: Two insulated conductors are uniformly twisted together to form a pair.
- Stranding: Pairs are helically twisted in concentric layers to form the cable core.
- Core wrapping: Plastic Tape (s) with overlapping
- Inner sheath: low density polyethylene.
- Moisture barrier: A both-sides copolymer of ethylene coated aluminium tape longitudinally laid with.
- Intermediate sheath: HFFRLS compound.
- Armour: Two galvanised steel tapes helically applied
- Outer sheath: HFFRLS compound.
Other versions on request
- Outdoor PE version : no HFFRLS
- Outdoor PVC version : EN 50265-2-1 ; IEC 60332-1 ; NF C 32-070/C2 compliant
Notes
- Sheath marking: Customer-definable, including length marking.
- Number of pairs is not counting the auxiliary pair conductors.
- Avoid direct sun exposure before and after installation
- Fire performance: EN 50268-2; EN50267-2-1; EN 50267-2-2; EN 50266-2-4; IEC 60332-3
Characteristics
| Construction characteristics | |
|---|---|
| Conductor material | Bare copper |
| Intermediate sheath | HFFRLS |
| Inner sheath | LDPE |
| Insulation | PE |
| Outer sheath | HFFR (Halogene Free Flame Retardant) |
| Armour type | Galvanized steel tapes |
| Electrical characteristics | |
| Maximum permissible nominal current | 1A |
| Insulation resistance | 5GOhm.km |
| Max. capacity pair / core to core | 45nF/km |
| Nominal mutual capacitance, auxiliary pairs | 50nF/km |
| Capacitance unbalance pair to ground | 1500pF/500m |
| Capacitance unbalance pair to pair | 400pF/500m |
| Max. DC resistance of the conductor at 20°C | 12.1Ohm/km |
| Spark test on outer sheath (AC) | 5.0kV |
| Dielectric strength core to core DC, min. | 1.0kV |
| Maximum operating voltage | 230V |
| Dielectric strength core to screen DC, min. | 3.0kV |
| Usage characteristics | |
| Bending factor when laying | 20(xD) |
| Storage temperature, range | -10 .. 50°C |
| Operating temperature, range | -10 .. 50°C |
| Ambient installation temperature, range | -5 .. 40°C |
| Packaging | Drum |
| Fire retardant | Yes |
Docs and info
Transmission characteristics
|
Frequency |
Max. pair |
Near End Xtalk |
Far End Xtalk |
|
2.1 |
0.64 |
- |
- |
|
4.1 |
0.76 |
54 |
59 |
|
9.5 |
1.05 |
- |
- |
|
20.7 |
1.28 |
42 |
48 |
