SNCF Class BB 25500

Class BB 25500

SNCF BB 25594 at Strasbourg Central Station, (August 2009)
Type and origin
Power type Electric
Builder Alstom
Build date 1964–1976
Total produced 194
Specifications
UIC class B′B′
Gauge 1,435 mm (4 ft 8 1⁄2 in)
Driver dia. 1,100 mm (3 ft 7 in)
Length 14.70 m or 48 ft 3 in (25501–25544)
14.94 m or 49 ft 0 in (25545–25587)
15.57 m or 51 ft 1 in (25588–25694)
Loco weight 79 t (78 long tons; 87 short tons) (25501–25544)
80 t (79 long tons; 88 short tons) (25545–25555)
77 t (76 long tons; 85 short tons) (25556–25587)
77 t (76 long tons; 85 short tons) (25588–25694)
Electric system(s) Catenary
1.5 kV DC
25 kV 50 Hz AC
Current collection Pantograph
Traction motors 2×TAB 660B1 monomotors
Performance figures
Maximum speed 100 or 140 km/h (62 or 87 mph)
Power output 2,940 kW (3,940 hp)
Tractive effort 330 kN (74,200 lbf) or
197 kN (44,300 lbf)
Career
Operators SNCF TER/Transilien
Class BB 25500
Number in class TER: 102[1]
Transilien: 8[2]
Locale TER: Bourgogne, Bretagne, Franche-Comté, PACA, Rhône-Alpes;
Transilien:Paris Montparnasse - Dreux/Mantes la Jolie

SNCF's BB 25500 class are part of a series of electric locomotives built by Alstom. They are the dual system version of the BB 17000 (AC) and BB 8500 (DC) locomotives (17000+8500=25500). They are fitted with monomotor bogies with two different gear ratios. This allows them to have increased tractive effort in exchange for a reduction in top speed. This makes them suitable for both freight and passenger trains.[3]

They were built in three distinct batches leading to detail differences. They remain in use as mixed traffic locomotives, mostly with TER and Transilien.

Romania

Locomotives 25517, 25518, 25523, 25528, 25572 & 25576 have been exported to Romania. They work with former SNCF Rio carriages for Regiotrans.[4] Services worked are:

The locomotives have been renumbered by adding 400,000 to their SNCF numbers.

References

  1. ↑ Marco van Uden. "SNCF TER electric locomotives". Retrieved 3 February 2008.
  2. ↑ Marco van Uden. "SNCF Île de France electric locomotives". Retrieved 3 February 2008.
  3. ↑ Haydock, David; Fox, Peter (1999). European Handbook No. 4 French Railways Locomotives & Multiple Units (Third ed.). Sheffield, UK: Platform 5 Publishing Ltd. ISBN 1-872524-87-7.
  4. ↑ "Locomotive electrice BB 25500 si rame RIB/RIO" (in Romanian). Retrieved 1 March 2011.
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