SJ 250
| Industry | Rail transport |
|---|---|
| Headquarters | Sweden , Sweden |
| Products | High-speed trainsets (SJ 250 series) |
Under the Delta 2.0 initiative, Sweden's SJ AB is acquiring Zefiro Express high-speed trainsets from Bombardier Transportation, later integrated into Alstom, throughout the 2020s.
The SJ 250 electric multiple unit series will feature fixed train formations extending up to , operate at maximum speeds of , and be capable of running in Sweden, Denmark, and Norway under temperatures as low as .
SJ plans for these trainsets to serve as a substitute for air travel connecting the Scandinavian capitals. Deliveries are projected between 2026 and 2028. By 2022, the order included twenty-five units.
Design
The trains are equipped with dedicated bicycle storage, offer 363 passenger seats, and incorporate a bistro section.
Each train nose is fitted with a snowplough and designed with a reinforced nosecone able to endure impacts from wildlife collisions reaching speeds of up to .
A backup battery system ensures continued operation during interruptions in overhead power supply.
Windows are constructed to be radio-transparent, allowing seamless communication signal transmission.
Construction
The carriage shells are manufactured in China before being transported to Hennigsdorf, Germany.
Final assembly and testing take place at the LEW Hennigsdorf facility, which includes specialized track and simulation infrastructure.
"CubeController" railway air brake systems come from Knorr-Bremse, while propulsion components are supplied by Alstom’s Trápaga plant in Spain.
Door assemblies are produced by IFE, a subsidiary of Knorr-Bremse.
The initial two carriage shells arrived at Alstom’s German plant in March 2025.
Funding
The contract for twenty-five trainsets is valued at SEK 7 billion (€640 million; $620 million).
Completion was postponed due to a ruling by the European Court of Justice concerning Swedish procurement legislation (LUF).
Loans amounting to €312 million (SEK 3.4 billion) were granted by the European Investment Bank in 2023 and 2025 to finance the project.