FS Class E.620

The FS Class E.620 was a class of third-rail electric locomotives built by Officine Meccaniche Reggiane for the Italian State Railways (FS). They were built in 1925 using motors and electrical equipment from Class E.10 railcars which had been withdrawn in 1923. After World War II they were converted to 3,000 volt DC operation and became FS Class E.621.

FS class E.620
Type and origin
Power typeElectric
BuilderOfficine Reggiane
Build date1925
Total produced5
Specifications
Configuration:
  AARC+C
  UICCo'+Co'
Gauge1,435 mm (4 ft 8+12 in) standard gauge
Wheel diameter1,050 mm (41.34 in)
Length11.77 m (38 ft 7+38 in)
Loco weight54 t (53.1 long tons; 59.5 short tons)
Electric system/s650 V DC third rail
Traction motors6
Performance figures
Maximum speed85 km/h (53 mph)
Power output950 kW (1,270 hp) continuous
Career
OperatorsFerrovie dello Stato Italiane

They were equipped with six nose-suspended direct current traction motors with a total output of 950 kW (1,270 hp). This power was transferred to the axles via a geared final drive and through this they had a maximum speed of 85 km/h. They received power from a 650 V DC third rail system, with the traction current being picked up by contact shoes.

References

    Further reading

    • Nuovi locomotori per la linea Milano-Varese-Porto Ceresio, in "Rivista tecnica delle ferrovie italiane", anno XV, vol. XXIX, n. 1 (15 gennaio 1926), pp. 1–3.
    • Giovanni Cornolò, Locomotive elettriche FS, Parma, Ermanno Albertelli Editore, 1983, pp. 43-45.
    • Stefano Garzaro, Locomotive elettriche FS, editrice Elledi, 1986.
    • Giovanni Cornolò Claudio Pedrazzini, Locomotive elettriche FS, Parma, Ermanno Albertelli Editore, 1983.
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