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

FRL-WTB/MVB-02Y(ST+C)H-1P20A

Application

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.

Construction

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

FRL-WTB/MVB-02Y(ST+C)H-1P20A

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
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