The Class 430

EMU The emu (; ''Dromaius novaehollandiae'') is a species of flightless bird endemism, endemic to Australia, where it is the Tallest extant birds, tallest native bird. It is the only extant taxon, extant member of the genus ''Dromaius'' and the ...

is an electric

railcar A railcar (not to be confused with the generic term railroad car or railway car) is a self-propelled railway vehicle designed to transport passengers. The term "railcar" is usually used in reference to a train consisting of a single coa ...

for

S-Bahn The S-Bahn ( , ), , is a hybrid urban rail, urban–suburban rail system serving a metropolitan region predominantly in German language, German-speaking countries. Some of the larger S-Bahn systems provide service similar to rapid transit syst ...

commuter networks in

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

, jointly developed by Bombardier and

Alstom Alstom SA () is a French multinational rolling stock manufacturer which operates worldwide in rail transport markets. It is active in the fields of passenger transportation, signaling, and locomotives, producing high-speed, suburban, regional ...

. The first trains went into service in 2012, replacing the Class 420 EMUs of the

Stuttgart S-Bahn The Stuttgart S-Bahn is a suburban railway system (S-Bahn) serving the Stuttgart Region, an urban agglomeration of around 2.7 million people, consisting of the city of Stuttgart and the adjacent districts of Esslingen, Böblingen, Ludwigsb ...

Deployment

Stuttgart

In February 2009 it was announced that the 90 remaining Class 420 EMUs would be replaced by 83 newly developed Class 430 EMUs. This would be the first use of Class 430s in Germany. In May 2009,

DB Regio DB Regio AG () is a subsidiary of Deutsche Bahn which operates regional and commuter train services in Germany. It is a 100% subsidiary of the Deutsche Bahn Group and therefore part of the DB Regio business segment, which also includes DB Regionn ...

ordered 83 trains, which are expected to be delivered between February and December 2012. DB has an option to order another 83 units. In December 2010, the option was increased from 83 to 166 units for the Rhine-Ruhr S-Bahn (see below). In October 2011, the Transport Committee of the Stuttgart Region decided to order 4 more Class 430s to cover additional services.

Rhine-Ruhr

In December 2009, the

Verkehrsverbund Rhein-Ruhr The Verkehrsverbund Rhein-Ruhr (), abbreviated VRR, is a public transport association (Verkehrsverbund) in the Germany, German state of North Rhine-Westphalia. It covers large parts of the Ruhr, Ruhr area, the Lower Rhine region including Düsse ...

announced that the Class 430 would be used, with deliveries to be completed by the end of 2012. This would give 116 vehicles total of both Class 422 and Class 430. In April 2011, it was announced that orders for additional vehicles had been canceled, due to the upcoming tender of lines S5 and S8. On those lines, the existing locomotive-hauled trains will be replaced by Class 422, rather than Class 430.

Rhine-Main

In November 2011, the

Rhein-Main-Verkehrsverbund The Rhein-Main-Verkehrsverbund (RMV) is a List of German transport associations, transport association that covers the Public transport, public transport network of the Frankfurt Rhine-Main, Frankfurt Rhine-Main area in Germany. Its head offi ...

announced that after the successful tender of the S-Bahn network, Class 430 would replace the current Class 420 at the 2014/2015 timetable change. This is part of the contract between the Verkehrsverbund and DB. In December 2011, DB and Bombardier announced that DB had ordered 90 vehicles. In early 2014, these trains will be used for testing and training purposes in the

Frankfurt Frankfurt am Main () is the most populous city in the States of Germany, German state of Hesse. Its 773,068 inhabitants as of 2022 make it the List of cities in Germany by population, fifth-most populous city in Germany. Located in the forela ...

area.

Technology and equipment

The walk-through multiple units of Class 430 are similar to those of the Class 422. They have an

air-conditioned Air conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature, and in some cases, also controlling the humidity of internal air. Air c ...

passenger area, and have gap bridging to prevent entry and exit accidents. The vehicles for Stuttgart are equipped with 16

surveillance cameras Closed-circuit television (CCTV), also known as video surveillance, is the use of closed-circuit television cameras to transmit a signal to a specific place on a limited set of monitors. It differs from broadcast television in that the signal ...

per train, glass shelves, and

LED A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresp ...

lighting. They offer eight screens in each train which only display information about the next

station Station may refer to: Agriculture * Station (Australian agriculture), a large Australian landholding used for livestock production * Station (New Zealand agriculture), a large New Zealand farm used for grazing by sheep and cattle ** Cattle statio ...

. If the supporting data is available, by 2013 they will also be able to display information about connections. The Class 430 has lower noise at startup than the Class 423 used in Stuttgart. It also has less energy consumption than the Class 420. Each train will have a length of - longer than the Class 423, but shorter than the Class 422. The cab meets the EN 15227 standard (requirements for

crashworthiness Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of aircraft and vehicles. Different criteria are used to figure out how safe a structure is in a crash, ...

for railway vehicle bodies) and is therefore longer than that of the corresponding Class 423. The Class 430 is shorter than the class 422 because in the middle car, a single row of seats replaced a double row, allowing the car to be shorter. This was required because trains must fit alongside a

platform Platform may refer to: Arts * Platform, an arts centre at The Bridge, Easterhouse, Glasgow * ''Platform'' (1993 film), a 1993 Bollywood action film * ''Platform'' (2000 film), a 2000 film by Jia Zhangke * '' The Platform'' (2019 film) * Pla ...

; with three units coupled together, the Class 430 will have a length of . The trains have magnetic

track brake A magnetic track brake (Mg brake) is a brake for rail vehicles. It consists of brake magnets, pole shoes, a suspension, a power transmission and, in the case of mainline railroads, a track rod. When current flows through the magnet coil, the m ...

s. The driver has two options for controlling the doors: first, the driver can unlock the doors on the platform side, and the

passengers A passenger is a person who travels in a vehicle, but does not bear any responsibility for the tasks required for that vehicle to arrive at its destination or otherwise operate the vehicle, and is not a steward. The vehicles may be bicycles, ...

open the doors themselves with a

pushbutton Pushbutton was a UK-based digital agency specialising in designing, developing, and delivering interactive television. Pushbutton was acquired by Amazon.com on 28 July 2011 and many of its staff are now members of Amazon Development Centre (Lon ...

(as in the Class 423); second, the driver can unlock and open all of the doors on the platform side at once. The trains have more opening

window A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air. Modern windows are usually glazed or covered in some other transparent or translucent ma ...

s than the class 423, and larger information displays in the vestibules, similar to those on the Class 425. The information displays on the outside of the train are twice as big. The

seats A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense (i.e " seat (legal entity)"). See disambiguation. Types of seat The ...

are in the standard DB colors, but with

leather Leather is a strong, flexible and durable material obtained from the tanning (leather), tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle, sheep, goats, equine animals, buffal ...

headrest Head restraints (also called headrests) are an automotive safety feature, attached or integrated into the top of each seat to limit the rearward movement of the adult occupant's head, relative to the torso, in a collision—to prevent or mitiga ...

s. The seatbacks are ergonomically shaped and padded.

Production

The first trains will be made by the consortium of

Salzgitter Salzgitter (; Eastphalian dialect, Eastphalian: ''Soltgitter'') is an independent city#Germany, independent city in southeast Lower Saxony, Germany, located between Hildesheim and Braunschweig. Together with Wolfsburg and Braunschweig, Salzgitte ...

and Bombardier in Hennigsdorf. , there are 29 trains being built in

, and 54 more will be produced at Bombardier in

Aachen Aachen is the List of cities in North Rhine-Westphalia by population, 13th-largest city in North Rhine-Westphalia and the List of cities in Germany by population, 27th-largest city of Germany, with around 261,000 inhabitants. Aachen is locat ...

. Nine vehicles will be intensively tested over .

References

* {{German EMUs Electric multiple units of Germany Articulated passenger trains 15 kV AC multiple units Alstom multiple units Bombardier Transportation multiple units Train-related introductions in 2012