SW-CLT Switching Centre Cables
Application
The cables are used as block cables for railway. The cables are suitable for connection between local switching centre and the trackside and signalling equipments.
Standards
● CFF: I-EB-SK 3001.82.1000
Construction
Conductors
Class 1 solid copper, 1.0/1.5/2.2mm nominal diameter.
Insulation
Solid polyethylene.
Cabling Element
Four conductors are twisted together to form a quad.
Inner Sheath
PE sheath.
Armour
Double galvanized steel tapes of 0.15mm.
Outer Sheath
PE/LSZH sheath.
Optional
Unarmoured Cable: The cables offered without galvanized steel tapes (SW).
Traction Armoured Cable: The cables offered with galvanized steel fl at wire armour with or without protection sheath (SW-F/FT).
Halogenfree Sheathed Cable: The cables offered with LSZH sheath according to IEC 60332-3C (SW-CLN/FN).
Electrical Characteristics at 20℃
| Nominal Conductor Diameter |
mm |
1.0 |
1.5 |
2.2 |
| Maximum Conductor Resistance (DC) |
Ω/km |
47.0 |
20.9 |
10.0 |
| Minimum Insulation Resistance @500 V DC (3mins) |
MΩ.km |
10000 |
10000 |
10000 |
| Maximum Mutual Capacitance @800Hz |
nF/km |
42 |
52 |
60 |
| Maximum Capacitance Unbalance |
|
|
|
|
| In quad |
pF/km |
400 |
400 |
400 |
| Between quads |
pF/km |
400 |
400 |
400 |
| Real-ground |
pF/km |
650 |
650 |
650 |
| Operating Voltage AC/DC |
V |
500/800 |
Mechanical and Thermal Properties
Minimum Bending Radius: 10×OD
Temperature Range: -30℃ to +60℃ (during operation); -10℃ +60℃ (during installation) |
