The Siemens Mireo is a family of

electric multiple unit 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 ...

s (EMU) designed by

Siemens Mobility Siemens Mobility GmbH is a separately-managed company of Siemens, arising from a corporate restructuring effective 1 August 2018. With its global headquarters in Munich, Siemens Mobility has four core business units: Mobility Management, dedi ...

. It is designed to be a successor to the "Mainline" variant of the company's Desiro EMUs. The railcars have an articulated design and aluminum carbodies, with cab cars on each end of a trainset and passenger cars between them, with trainsets between two and seven cars long. The use of aluminum, combined with new control systems, is intended to reduce energy use by up to 25%. compared to previous Siemens EMUs. The railcars can reach a top speed of up to . Siemens Mobility is currently working on a

hydrogen fuel cell A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions. Fuel cells are different from most batteries in requ ...

prototype. Siemens introduced the first Mireo railcars at the 2016 InnoTrans trade fair. The first units were ordered in February 2017 by

DB Regio DB Regio AG is a subsidiary of Deutsche Bahn which operates regional and commuter train services in Germany. DB Regio AG, headquartered in Frankfurt am Main. It is a 100% subsidiary of the Deutsche Bahn Group and there part of the DB Regio bus ...

, which ordered 24 three-car trainsets with a passenger capacity of 220 for service on its routes in the

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valley in southwestern Germany. DB Regio ordered a further 57 three-car high-density sets for

S-Bahn The S-Bahn is the name of hybrid urban- suburban rail systems serving a metropolitan region in German-speaking countries. Some of the larger S-Bahn systems provide service similar to rapid transit systems, while smaller ones often resemble co ...

service. Production of Mireo trainsets began in 2018, with the first completed set unveiled in early December. Following testing, Mireo trains are expected to enter revenue service in June 2020.

Mireo Plus H

Siemens and

Ballard Power Systems Ballard Power Systems Inc. is a developer and manufacturer of proton exchange membrane (PEM) fuel cell products for markets such as heavy-duty motive (consisting of bus and tram applications), portable power, material handling as well as engine ...

are developing a

fuel cell A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions. Fuel cells are different from most batteries in requ ...

system for the trains, which is expected to be operational in 2021.

Mireo Plus B

A battery equipped variant had been developed. It is able to run on both electrified lines (taking current from the catenary) and unelectrified lines (using the batteries). It can travel on unelectrified lines. In August 2019, ordered 20 battery-electric Mireos. They will be used on the electrified Offenburg - Freudenstadt/Hornberg line ( Kinzig Valley Railway) and on several unelectrified lines (

Rench Valley Railway The Rench Valley Railway (German: ''Renchtalbahn'') is a 29.1 kilometre long branch line from Appenweier to Bad Griesbach (Schwarzwald), that mainly follows the valley of the River Rench in the Black Forest with maximum inclines of 1:99. The firs ...

Harmersbach Valley Railway The Harmersbach Valley Railway (german: Harmersbachtalbahn) is a 10.6 km long branch line in southwestern Germany that branches off in Biberach from the Black Forest Railway and ends in Oberharmersbach-Riersbach. The Harmersbach Valley Rai ...

and

Acher Valley Railway The Acher Valley Railway (german: Achertalbahn) is a 10.4 km long branch line from Achern to Ottenhöfen im Schwarzwald in the Black Forest in Germany that branches off the Rhine Valley Railway. External links Acher Valley Railway Societ ...

)

Mireo Smart

In November 2020, Siemens unveiled the Mireo Smart. This is a standardized product aiming for attractive pricing and faster delivery. It includes features such as more advanced

CCTV Closed-circuit television (CCTV), also known as video surveillance, is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly t ...

systems, improved passenger information systems, and full testing before delivery.

References

{{reflist Siemens multiple units Electric multiple units of Germany