The SNCF BB 20011 and SNCF BB 20012 were electric locomotives used for testing, built by

Alsthom 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 a ...

between 1985 and 1986. The two locomotives were the synchronous dual-voltage prototypes for Class BB 26000. In 1994 the locomotives were re-used for work on the

Channel Tunnel The Channel Tunnel (), sometimes referred to by the Portmanteau, portmanteau Chunnel, is a undersea railway tunnel, opened in 1994, that connects Folkestone (Kent, England) with Coquelles (Pas-de-Calais, France) beneath the English Channel at ...

, then converted to standard class BB 22200s in 1995.

History

SNCF BB 26000 test locomotives

In 1985 and 1986 the SNCF BB 22200 locomotives numbers 22379 and 22380 were modified to test dual voltage electric traction equipment, the microprocessor control, and auxiliary variable speed induction motors. 20012 was used to test the combination of pneumatic brake system and electric brake system.

Channel tunnel machines

In 1994 the units were used in the

as motor engines for TTU trains. (Channel tunnel freight engines)

Conversion to standard locomotives

In 1995 the locomotives were converted back to standard SNCF Class BB 22200 type.

Miniature models

The locomotive 20011 has been produced by

Märklin Gebr. Märklin & Cie. GmbH or Märklin (stylized as ma̋rklín) (MÄRKLIN or MAERKLIN in capital letters) is a German toy company. The company was founded in 1859 and is based at Göppingen in Baden-Württemberg. Although it originally specialis ...

and

Roco Roco may refer to: * Roco (model railroads), an Austrian manufacturer of model railway equipment * Roco (surname), surname * Roco Sandu Roco Sandu (born 30 July 1966) is a former Romanian professional footballer. He was part of one of the bes ...

in HO scale.

Notes

References

External links

;Images * {{DEFAULTSORT:Sncf Class Bb 20011 20011 Alstom locomotives B-B locomotives Railway locomotives introduced in 1986 Experimental locomotives Multi-system locomotives Standard gauge electric locomotives of France