WTB (Wired Train Bus)/MVB (Multifunction Vehicle Bus) Cables
Applications :
- The cables are used as connecting cables to transmit digital signals inside railway rolling stocks. The communication system in a locomotive uses a wire backed bus system to the TCN standard for control and instrumentation and for diagnostics. This bus system consists of the rail bus WTB (Wired Train Bus) and the road bus MVB (Multifunction Vehicle Bus) which are connected via redundant gateways.
Standards :
- DIN 5510-1
Construction :
- Conductors : Stranded tinned copper conductor according to IEC 60228 class 5.
- Insulation : Foam skin-composite PE made of inner cellular layer and outer solid skin.
- Cable Element : Twisted pair.
- Core Wrapping : Plastic tape(s).
- EMC Screen1 : Aluminium clad polyester foil.
- EMC Screen2 : Tinned copper braid.
- Core Wrapping : Plastic tape(s).
- Outer Sheath : Cross-linked oil resistant LSZH compound.
Electrical Characteristics at 20 °C :
-
Nominal Cross Section/AWG mm² 0.62/20 Maximum Conductor Resistance Ω/km 33.1 Impedance@0.5-2MHz Ω 120+/-12 Maximum Attenuation @1MHz dB/km 10 Maximum Attenuation @2MHz dB/km 15 Nominal Voltage Rating V 300
Mechanical and Thermal Properties :
- Minimum Bending Radius : 6×OD (single); 12×OD (multiple).
- Temperature Range : -40°C to +100°C (during operation); -20°C +50°C (during installation).
Dimensions and Weight :
Cable Code | No. of cores& Nominal Conductor Cross Sectional Area No.×mm² |
Nominal Diameter of Strands No/mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
RD-WTB/MVB--02YS(ST+C)H-1P20A | 1×2×0.62 | 19/0.2 | 1.2 | 8.3 | 80 |
Impact Resistant |
Highly Flexible |
UV Resistant |
Oil Resistant |
Weather Resistant |
Low Toxicity |
Flame Retardant NF C32-070-2.1(C2) IEC 60332-1/EN 50265-2-1 |
Fire Retardant NF C32-070-2.2(C1) IEC 60332-3/EN50266 |
Zero Halogen IEC 60754-1/NF C20-454 EN 50267-2-1 |
Low Smoke Emission IEC 61034/NFC20-902 EN 50268/NF C32-073 |
Low Corrosivity EN 50267-2-2/NF C32-074 IEC 60754-2/NF C20-453 |