{"id":5857,"date":"2026-09-09T10:00:16","date_gmt":"2026-09-09T07:00:16","guid":{"rendered":"https:\/\/www.etkkablo.com\/en\/?p=5857"},"modified":"2026-09-09T10:00:18","modified_gmt":"2026-09-09T07:00:18","slug":"rolling-stock-cables","status":"publish","type":"post","link":"https:\/\/www.etkkablo.com\/en\/blog\/rolling-stock-cables\/","title":{"rendered":"Rolling Stock Cables: Standards, Types and Applications"},"content":{"rendered":"\n

Rolling stock cables<\/strong> are specialized electrical and communication cables designed for installation onboard railway vehicles such as trains, locomotives, metro cars, tramways and other rail transport systems. Unlike trackside railway cables<\/a>, these products operate inside or directly on moving vehicles and must withstand demanding combinations of fire, smoke, vibration, temperature, oils, fuels, mechanical stress and limited installation space.<\/p>\n\n\n\n

For this reason, rolling stock cable engineering goes far beyond choosing a halogen-free control cable. Cable diameter, weight, conductor flexibility, insulation thickness, fire behaviour, chemical resistance, operating temperature, electromagnetic compatibility and installation movement can all influence the final construction.<\/p>\n\n\n\n

European rolling stock cable families are commonly associated with standards including EN 50264, EN 50306 and EN 50382. Meanwhile, EN 45545-2 defines important fire-behaviour requirements for materials and components used on railway vehicles, including hazard levels HL1, HL2 and HL3. Additional standards address testing, installation and fire-resistant circuit integrity.<\/p>\n\n\n\n

Therefore, there is no single universal rolling stock cable. The correct construction depends on whether the cable serves power distribution, control, auxiliary circuits, data communications, high-temperature equipment, emergency circuits or flexible connections between moving parts of the vehicle.<\/p>\n\n\n\n

Quick answer:<\/strong> EN 50264 is a major family for rolling stock power and control cables<\/a>. EN 50306 covers thin-wall designs where reduced diameter and weight are important. EN 50382 addresses high-temperature power cables. EN 45545-2 defines railway-vehicle fire behaviour requirements, while EN 50200 can apply to cables that must maintain circuit operation during fire. Data applications can additionally require Ethernet, RS485, CAN bus<\/a>, MVB, WTB or other defined transmission characteristics.<\/p>\n\n\n\n

Rolling Stock Cables at a Glance<\/h2>\n\n\n\n
Cable Requirement<\/th>Typical Standard or Cable Family<\/th>Main Purpose<\/th><\/tr><\/thead>
Power and control<\/td>EN 50264<\/td>Onboard power, auxiliary and control circuits<\/td><\/tr>
Reduced-dimension cable<\/td>EN 50264-3<\/td>Lower diameter and weight<\/td><\/tr>
Thin-wall cable<\/td>EN 50306<\/td>Compact high-density vehicle wiring<\/td><\/tr>
High-temperature power<\/td>EN 50382<\/td>120\u00b0C \/ 150\u00b0C high-temperature applications<\/td><\/tr>
Railway fire behaviour<\/td>EN 45545-2<\/td>HL1, HL2 and HL3 fire-safety requirements<\/td><\/tr>
Special cable tests<\/td>EN 50305<\/td>Mechanical, environmental and fire-related test methods<\/td><\/tr>
Cable use guidance<\/td>EN 50355<\/td>Selection and use of rolling stock cable families<\/td><\/tr>
Cabling installation<\/td>EN 50343<\/td>Rules for onboard copper-conductor cabling installation<\/td><\/tr>
Fire-resistant circuits<\/td>EN 50200<\/td>Circuit integrity during fire where required<\/td><\/tr>
Data communication<\/td>Project-specific transmission standards<\/td>Ethernet, RS485, CAN, MVB, WTB and other data systems<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Consequently, the applicable standard should follow the electrical function and installation environment rather than simply the fact that the cable is installed on a train.<\/p>\n\n\n\n

What Are Rolling Stock Cables?<\/h2>\n\n\n\n

Rolling stock cables<\/strong> are cables used to create electrical and communication connections within railway vehicles. Typical locations include passenger cars, locomotives, metro trains, tramways, driver cabins, equipment enclosures, bogies and inter-car connections.<\/p>\n\n\n\n

These cables can carry power, control signals, data, auxiliary circuits and communications. Furthermore, different areas of the same train can expose cables to very different mechanical and environmental conditions.<\/p>\n\n\n\n

For example, a control cable inside a protected electrical cabinet experiences a different duty from a jumper cable between two carriages. Likewise, an externally routed bogie cable faces a different environment from an Ethernet cable inside a passenger-information system.<\/p>\n\n\n\n

Therefore, rolling stock cable specifications should always define both the electrical circuit and the mechanical installation duty.<\/p>\n\n\n\n

Rolling Stock Cables vs Railway Infrastructure Cables<\/h2>\n\n\n\n

This distinction is fundamental.<\/p>\n\n\n\n

Rolling stock cables are installed on the vehicle.<\/strong> Railway infrastructure cables, by contrast, remain part of the fixed railway system.<\/p>\n\n\n\n

Rolling Stock<\/th>Fixed Railway Infrastructure<\/th><\/tr><\/thead>
Train<\/td>Trackside<\/td><\/tr>
Metro vehicle<\/td>Metro tunnel<\/td><\/tr>
Locomotive<\/td>Station infrastructure<\/td><\/tr>
Tram<\/td>Railway signaling route<\/td><\/tr>
Bogie<\/td>Trackside telecom network<\/td><\/tr>
Passenger carriage<\/td>Railway power distribution<\/td><\/tr>
Inter-car connection<\/td>Underground duct<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

As a result, EN 45545 rolling-stock fire requirements should not automatically be applied to every fixed railway cable simply because the project involves rail transportation.<\/p>\n\n\n\n

What Are Rolling Stock Cables Used For?<\/h2>\n\n\n\n

One railway vehicle can contain a large number of cable systems.<\/p>\n\n\n\n

Typical applications include:<\/p>\n\n\n\n