SNCF Class Z 50000 the Syndicat des transports d'Île-de-France (STIF). Bombardier presented the Spacium vehicle at Crespin on 6 February 2009. The first unit delivered for commercial operations to the SNCF was the unit ‘Z 50015/16’, also numbered #8, on 21 October 2009. The first service operated by a "Francilien" train was on Line H from Paris Gare du Nord to Luzarches on Sunday 13 December 2009. SNCF Class Z 50000 The SNCF Z 50000 is an electric multiple unit train built by Bombardier Transportation (manufacturer's designation SPACIUM 3.O6) for the French rail operator SNCF, for use under Transilien operations in the Île-de-France. It
SNCF Class BB 12000 engines can support a very large overload current of 1800 amps, well over the 1000 amp design. They suffered very little wheel slip; they could pull 1756 tonnes trains on a 10 ‰ grade and 2885 tonnes trains on a 5 ‰ grade. The locomotives had few flaws, none of which related to the electrical components. They had cramped cabins, poor braking and couldn't work as multiple-unit sets. SNCF Class BB 12000 The SNCF Class BB 12000 were electric locomotives operated by SNCF. The first examples arrived on the railway in 1953, operating on the 25 kV 50 Hz line