Contact Us

+852 2116 1040

+86 180 1862 7191

Quick Contact


  • Fire Resistant Cables
  • EN50288-7 Cables
  • Composite Cables
  • EN50288-7 Cables


  • Caledonian
  • Caledonian
  • Caledonian
  • Caledonian
  • Caledonian

Join the newsletter

Subscribe to get our latest content by email.

    We won't send you spam.

    Unsubscribe at any time.

    WTB (Wired Train Bus) / MVB (Multifunction Vehicle Bus) Cables


    • WTB (Wired Train Bus) / MVB (Multifunction Vehicle Bus) Cables


    The cables are designed for permanent installation inside of rolling stock to connect fixed parts. A typical application is a communication system in a locomotive. The system 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.


    Conductor Stranded tinned copper conductor according to IEC 60228 class 5
    Insulation Foam PE or foam skin PE
    Cable Element Twisted pair
    Core Wrapping Plastic tape(s)
    EMC Screen 1 Aluminium clad polyester foil
    EMC Screen 2 Tinned copper braid
    Outer Sheath Cross-linked oil resistant LSZH compound

    Electrical & Mechanical Properties

    Nominal Voltage 300V
    Maximum Temperature 90°C
    Minimum Temperature -40°C
    Bending Radius 12 x Overall Diameter

    Chemical & Environmental Propertie

    EN 60684-2 No fluorine
    EN 50305; EN 60811-2-1 Resistance to mineral oil & fuel oil, acid & alkali
    EN 50305 Resistance to ozone

    Fire Performance for rolling stock application

    EN 50306-2 Hazard levels HL1, HL2, HL3
    DIN 5510-2 Protection level 1/2/3/4
    BS 6853 Interior use 1a, 1b, II; Exterior use 1a, 1b, II
    NF F 16-101 F0
    EN54454-2 R15 Interior/ R16 Exterior HL1, HL2, HL3

    Fire Performance in General

    EN 50265-2-1; IEC 60332-1-2; NF C 32-070 2.1 (C2) Vertical flame propogation for a single insulated wire or cable
    EN 50266-2-4 + EN 50305; IEC 60332-3-24; NF C 32-070 2.2 (C1); VDE 0472 Teil 804 Vertical flame spread of vertically mounted bunched wires or cables
    EN 50268-2; IEC 61034-2; NF C 32-073 ;  NF C 20-902; NF F 16 101; VDE 0472 Teil 816 Low Smoke Emission
    EN 50267-2-1; IEC 60754-1; NF C 32-074;  NF C 20-454; VDE 0472 Teil 815 Halogen Free
    EN 50267-2-2/3; IEC 60754-2; NF C 32-074; NF C 20-453; VDE 0472 Teil 813 Low Corrosivity (Acidity & Conductivity)
    EN 50305; NF X 70-100; NF F 63 808; TM1-04; BS6853  Low Toxicity
    NF F 63 808; BS6853; NF F 16 101 Smoke index
    EN45545-2 Requirement for fire behavior of materials & components R15/R16


    Nominal Cross Sectional Area Number & Nominal Diameter of Strands Nominal Sheath Thickness Nominal Overall Diameter Nominal Weight Max. Conductor Resistance Impedance Max. Attenuation
    20°C @0.75-3MHz @1MHz @2MHz
    mm² AWG No/mm mm mm kg/km Ω/km Ω dB/km dB/km
    0.62 20 19/0.2 1.2 8.3 80 33.1 120+/-12 10 15
    Contact Us

    Add the link of current page.



    Instant Messaging

    WhatsApp :

    +852 6230 0392

    Skype :

    Caledonian Cables


    Wechat :
    The personal information you enter is only used to reply to your message, It will not be leaked or used for other purposes.