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The Ae 3/5 was a Swiss electric locomotive, operating out of Lausanne from 1926-1957, then out of Berne from 1957-1982. The examples were withdrawn from service starting in 1977, with one since classified as an historic vehicle. [1]

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SBB-CFF-FFS Ae 3/5
Type and origin Power type Electric Builder Swiss Locomotive and Machine Works and Société Anonyme des Ateliers de Sécheron Build date 1924 Total produced 26
Specifications Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Length 12,300 mm (40 ft 4+1⁄4 in) Adhesive weight 56 long tons (57 t; 63 short tons) Loco weight 81 long tons (82 t; 91 short tons) Electric system/s Catenary Current pickup(s) Pantograph Traction motors electrical 3x2 Loco brake Westinghouse, manual screw-type Train brakes Westinghouse
Performance figures Maximum speed 90 km/h (56 mph)) Power output (1 hour rating) 972 kW (1,303 hp)
Career Operators SBB-CFF-FFS Numbers 10201-10226 Official name Ae 3/5 Nicknames Petite Sécheron (Little Secheron) Withdrawn circa 1977

History

The first units were delivered without security devices; these were added later. The symmetrical drive system of the locomotives are roughly equal to that of the Be 4/7. [1]

At the end of the Second World War, the maximum speed was reduced to 75km/h. After repairs, they were again allowed proceed at speeds of 90 km/h. In 1957, the brake system was modified and traction brakes were installed. [1]

The locomotives were equipped with remote control ability (from a control car) between 1963 and 1966; it was not possible to control the locomotives from the units themselves. Up to two units of this type could be controlled from a control car. Once upgraded to remote units, the locomotives hauled automobile trains along the Gotthard railway and the Simplon Railway. [1]

The Ae 3/5 proved to be reliable locomotives in both freight and express passenger service. They were largely unchanged during their operating lifetime except for having welded front doors near the end of their service lives. Delivered in a brown paint scheme, they were later given a dark green paint job. [2]

References

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