The Class 422 is a series of four-car

electric multiple units An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a numbe ...

that are a derivative of the DBAG Class 423. The two inner cars in the set are designated as Class 432 vehicles.

History

The units were commissioned by

Deutsche Bahn The (; abbreviated as DB or DB AG) is the national railway company of Germany. Headquartered in the Bahntower in Berlin, it is a joint-stock company ( AG). The Federal Republic of Germany is its single shareholder. describes itself as the ...

in 2005. 78 units worth €343 million were built by

Bombardier Transportation Bombardier Transportation was a Canadian-German rolling stock and rail transport manufacturer, headquartered in Berlin, Germany. It was one of the world's largest companies in the rail vehicle and equipment manufacturing and servicing indus ...

and

Alstom Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Av ...

and delivered between March 2008 and October 2010. They are now used in such places as like on the

Rhine-Ruhr S-Bahn The Rhine-Ruhr S-Bahn (german: S-Bahn Rhein-Ruhr) is a polycentric and electrically driven S-train network covering the Rhine-Ruhr Metropolitan Region in the German federated state of North Rhine-Westphalia. This includes most of the Ruhr (and ...

which operate in cities like Köln and Düsseldorf as well as the Ruhr area. Deutsche Bahn uses the units on the

network, unlike most S-Bahn Networks which use similar DBAG Class 423 trains. The inner carriages are called Class 432. Following a timetable change in December of 2019 the units are currently used exclusively on the S1, S4, S5 (occasionally) and S6 lines of the network. {{Germany-rail-transport-stub Electric multiple units of Germany 15 kV AC multiple units Bombardier Transportation multiple units Alstom multiple units