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Traction systems

Tramways, tram-trains, metros, regional trains, high-speed trains and locomotives.

For over 50 years, Alstom has been manufacturing traction systems for both its trains and those from other manufacturers.

Standard components and solutions

Alstom’s extensive range of standard high quality components and solutions offers safety, reliability and cost effectiveness.

Meeting specific customer needs, standard traction system solutions can be supplied for tramways, tram-trains, metros, regional trains, high-speed trains and locomotives.

Designed and validated for each application

Traction systems are adapted for all types of traction and can be supplied:

  • for various supply voltages (750Vdc, 1,500Vdc, 3,000Vdc, 25kVac 50Hz, 15kV 16 2/3Hz…)
  • to meet extreme temperature and climatic conditions: -50°C, + 50°C, 100% humidity
  • as force air cooled, naturally cooled, water cooled
  • with a wide range of asynchronous induction motors and synchronous permanent magnet motors (PMMs)
  • as roof-mounted, underframe mounted, or in interior cubicles
  • as lightweight, compact solutions

Alstom can provide the right solution for your application.


Eco-design is at the heart of Alstom’s state-of-the-art technology solutions. Its traction systems have a high regenerative brake performance and incorporate a wide range of the latest permanent magnet motors to provide “best in class” energy consumption. Alstom’s solutions are optimised for low lifecycle costs and have high recyclability, thus limiting environmental impact.

Worldwide presence - Close to our customers

Sales, manufacture and after-sales support are strategically located around the globe placed to provide local support right where it is needed.

Innovation & experience

Alstom’s traction solutions incorporate the latest generation silicon & silicon carbide semiconductor technologies.
Extensive research and development programmes, combined with Alstom’s many years of experience, simulation tools and product validation procedures, provide customers with the latest proven technology solutions validated to meet their applications.

Contact us

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