From climate control to controlling fire-alarm and fire-extinguishing systems, lighting, and every other on-board system, SIPLUS extreme RAIL products are perfectly suited to a whole range of rail transport applications in trains and trams.The assemblies have been tested to ensure they satisfy the demands imposed by extreme ambient conditions. For rolling stock applications, testing was extended to include fire performance and side effects of fire on all the materials used. The fire load values required for EN 45545 are available in all modules, and they can be made available at any time as required.