SNCF Class BB 27300 SNCF Class BB 27300 The SNCF Class BB 27300 is an electric locomotive. There are 67 BB 27300 locomotives, built as part of the Prima range by Alstom. The first BB 27300 were delivered starting in 2006. Painted in the blue and white livery of Transilien, the brand name for the SNCF network around Paris, these locomotives are the passenger equivalent of the freight-only SNCF Class BB 27000 and are equipped for push-pull operation on suburban passenger services in the Île-de-France region around Paris, working with refurbished VB2N double-deck carriages. The power of the locomotive is . The locomotive is
SNCF Class BB 15000 with the BB7200 and BB22200 series and have even a great deal in common with cabs of other SNCF locomotives of the 1960s. This class was also the first to introduce the VI ("Vitesse Imposée") cruise control system which is now standard on all SNCF locomotives delivered after 1971. The electrical part consists of a single pantograph (type AM18U) which collects 25 kV from the catenary. Power is passed through a transformer which lowers the tension to about 1500 V AC and a bridge rectifier controlled by thyristors rectify it into DC, which is then fed into the traction motors.