 |
||||||||||
 |
Railway Cables |  |
||||||||
|
||||||||||
|
||||||||||
Integrated 9/11/18/20 Cores 0.75mm² UIC Databus Cables
Application
Integrated 9/11/18/20 Cores 0.75mm² UIC Databus Cables are used as connecting cables to transmit
digital signals inside railway rolling stocks.
Standards
DIN 5510-1
Construction
For 9 cores UIC databus cables:
4 cores
10 mm² stranded tinned copper conductor with LSZH insulation.
Combined Element
3 cores (with Cu-strand 2×6mm², 1×2.5mm²) are twisted with a fi lling element to a combined element.
Wrapping: Overlapped plasticfoil(s).
Elements sheaths: TPE
UIC Data Bus 0.75mm²
Two foam skin insulated tinned copper stranded conductors are twisted together with two filling elements to a
pair.
Wrapping: Overlapped plastic-foil(s).
Screen: Tinned copper wire braid screen
Element sheaths: TPE.
Stranding
4 strands are twisted to a core together with 3 cored element, the UIC data bus and two fi llers
Core Wrapping
Overlapped plastic-foil(s).
Outer Sheath
Cross-linked oil resistant LSZH compound.
For 11 cores UIC databus cables:
4 cores
10 mm² stranded tinned copper conductor with LSZH insulation.
Combined Element
5 cores (with Cu-strand 2×6mm², 1×2.5mm² and 2×1.0 mm²) are twisted with a fi lling element to form a
combined element.
Wrapping: Overlapped plastic-foil(s).
Elements sheaths: TPE.
UIC Data Bus 0.75mm²
Two foam skin insulated tinned copper r stranded conductors are twisted together with two fi lling elements to a
pair.
Wrapping: Overlapped plastic-foil(s).
Screen: Tinned copper wire braid screen.
Element sheaths: TPE.
Wrapping: Overlapped plastic-foil(s).
Stranding
4 strands are twisted to a core together with 5 cored element, the UIC data bus and two fi llers.
Core Wrapping
Overlapped plastic-foil(s).
Outer Sheath
Cross-linked oil resistant LSZH compound.
For 18/20 cores UIC databus cables:
Star Quad
Four LSZH insulated 1mm² stranded tinned copper conductors are twisted to form a star quad.
UIC Data Bus 0.75mm²
Two foam skin insulated tinned copper stranded conductors are twisted together with two filling elements to form a pair.
Wrapping: Overlapped plastic-foil(s)
Screen: Tinned copper wire braid screen
Element sheaths: TPE.
Wrapping: Overlapped plastic-foil(s)
Stranding
4 star quads are stranded together with 2 or 4 UIC data bus cable and several fi llers.
Core Wrapping
Overlapped plastic-foil(s).
Screen
Tinned copper-wire braid screen.
Outer Sheath
Cross-linked oil resistant LSZH compound.
Electrical Characteristics at 20℃
| Nominal Cross Section | mm² | 0.75 | 1 | 2.5 | 6 | 10 |
|---|---|---|---|---|---|---|
| No of Strand/Strand Diameter | 19/0.22 | 19/0.25 | 37/0.29 | 84/0.3 | 80/0.4 | |
| Maximum Conductor Resistant | Ω/km | 26.7 | 20 | 8.21 | 3.39 | 1.95 |
| Impedance@1.0-10MHz | Ω | 120+/-12 | - | - | - | - |
| Maximum Attenuation @1MHz | dB/km | 10 | - | - | - | - |
| Maximum Attenuation @1.5MHz | dB/km | 13 | - | - | - | - |
| Maximum Attenuation @2MHz | dB/km | 14 | - | - | - | - |
| Maximum Attenuation @3MHz | dB/km | 18 | - | - | - | - |
| Maximum Transfer Impedance | mΩ/m | 30 | - | - | - | - |
| Nominal Voltage Rating | v | 300 | - | - | - | - |
Mechanical and Thermal Properties
Minimum Bending Radius:6×OD (single); 12×OD (multiple)
Temperature Range:-40℃ to +100℃ (during operation);
-20℃ +50℃ (during installation)
Dimensions And Weight
| Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
|---|---|---|---|---|
| RD-UIC-4C10S+2C6S+1C2.5S+2C0.75S | 4×10+2×6+1×2.5+2×0.75 | 1.8 | 25 | 917 |
| RD-UIC-4C10S+2C6S+1C2.5S+2C1S+2C0.75S | 4×10+2×6+1×2.5+2×1.0+2×0.75 | 1.8 | 25 | 969 |
| RD-UIC-4Q1S+2C0.75S | 4×4×1.0+ 2×0.75 | 1.8 | 18.5 | 498 |
| RD-UIC-4Q1S+2P0.75S | 4×4×1.0+ 2×2×0.75 | 1.8 | 23 | 530 |
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information