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| SBB RABe 511 | |
|---|---|
| Name | RABe 511 |
| Service | 2008–present |
| Manufacturer | Siemens |
| Family | Desiro Double Deck |
| Yearservice | 2008 |
| Numberbuilt | 59 |
| Formation | 4 cars |
| Capacity | 186–275 |
| Operator | SBB |
| Maxspeed | 160 km/h |
SBB RABe 511 The RABe 511 is a double-deck electric multiple unit used by Schweizerische Bundesbahnen (SBB) for regional and interregional services. Built by Siemens AG as part of the Desiro Double Deck family, these units entered service during the late 2000s and have been deployed across Swiss corridors connecting major nodes such as Zürich Hauptbahnhof, Bern, Geneva, and Basel SBB. The class complements fleets including the RABe 514, ICN Tilting Train, and Re 460-hauled compositions.
Introduced to address capacity shortages on busy routes, the trainset was ordered amid network upgrades associated with projects like the Mattstetten–Rothrist new line and timetable changes influenced by the European Train Control System. The procurement followed precedents set by operators such as Deutsche Bahn, ÖBB, and SNCF in adopting double-deck EMUs; it aligned with Swiss transport policy priorities advocated by institutions including the Federal Office of Transport and cantonal authorities in Zurich (canton), Vaud, and Aargau.
The RABe 511 features a four-car articulated formation with a power system compatible with Swiss 15 kV 16.7 Hz AC electrification as used by Swiss Federal Railways and similar to systems on lines shared with BLS AG and international services to France and Germany. Structural design leverages lightweight materials and crashworthiness criteria referenced in UIC standards and EN 15227 design philosophy. Traction equipment, built by Siemens Mobility, includes IGBT inverters and asynchronous motors analogous to units in the Desiro Double Deck family; braking systems integrate regenerative braking and pneumatic disc brakes coordinated with ETCS signalling. Maximum speed is 160 km/h, matching infrastructure such as the Gotthardbahn approach routes and aligning with timetable planning for hubs including Luzern and St. Gallen.
Passenger accommodations balance high-capacity seating with accessibility requirements mandated by the Disability Discrimination Act-style frameworks in Swiss law and EU interoperability standards; features include multi-level seating, wheelchair spaces, bicycle areas, and passenger information systems interoperable with SBB Mobile and station displays at Basel Badischer Bahnhof. Onboard systems provide climate control, CCTV supplied by suppliers often used by Bombardier Transportation and Alstom, and real-time passenger information compatible with networks in Zurich Flughafen and regional terminals like Thun. Configurations vary between commuter and regional layouts to serve markets such as commuters to Opfikon and travelers on routes toward Lausanne.
SBB deployed the units on core interregional and suburban lines including those served by Zürich S-Bahn, St. Gallen S-Bahn, and intercity connectors between Geneva Cornavin and Bern Bahnhof. Operational planning coordinated with national timetabling agencies and traffic management systems similar to those used by Network Rail and ProRail for capacity optimization. Crewing and driver training followed standards used across Swiss operators, with simulation at training centers comparable to those operated by SBB Training and coordination with unions like SEV.
Safety systems integrate on-board signalling compatible with the European Rail Traffic Management System and Swiss national train control, meeting crashworthiness outcomes informed by incidents analyzed by agencies like the Swiss Transportation Safety Investigation Board. Reliability metrics were monitored against fleet benchmarks set by operators such as DB Regio and SBB Cargo, with mean distance between failures and punctuality targets influencing deployment decisions for peak commuter periods in conurbations like Zurich and Geneva.
Maintenance is performed at SBB facilities including major depots in Oerlikon and Yverdon-les-Bains, following planned preventive programs influenced by lifecycle practices used by Siemens Mobility and Thales Group. Mid-life upgrades have included retrofits to passenger information systems, HVAC improvements, and software updates for traction control comparable to refreshes applied to fleets by ÖBB and SNCF Réseau. Spare parts supply chains involved European vendors and procurement aligned with Swiss procurement law and standards set by UIC.
The class attracted scrutiny after incidents and service disruptions that prompted investigations by the Swiss Federal Office of Transport and public debate covered in media outlets such as NZZ and SRF. Criticisms focused on overcrowding during peak hours on lines into Zürich Hauptbahnhof, reliability during winter conditions similar to challenges documented by Deutsche Bahn in Alpine weather, and compatibility issues with platform heights at certain regional stations in Canton Zurich and Canton Vaud. Mitigations included timetable adjustments, supplementary rolling stock allocations, and targeted technical modifications coordinated with manufacturers like Siemens and suppliers examined by cantonal transport authorities.
Category:Rolling stock of Switzerland