FS Class E.550

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "FS Class E.550" – news · newspapers · books · scholar · JSTOR (July 2016) (Learn how and when to remove this message)

Class E.550
Type and origin Power type Electric Builder Società Italiana Westinghouse Model 1906 Build date 1908-1921 Total produced 186
Specifications Configuration: ​  • AAR E  • UIC E Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Length 9.5 m (31 ft 2 in) Loco weight 63 t (62 long tons; 69 short tons) Electric system/s Three-phase 3,400 V 15.8 Hz Catenary Current pickup(s) Bow collector
Performance figures Maximum speed 50 km/h (31 mph) Power output 1,500 kW (2,000 hp)
Career Operators FS Retired 1965

The FS Class E.550 was a class of three-phase electric locomotive used in Italy, introduced in the 20th century, which remained in service until 1965.