FS Class ALe 582
| Industry | Railway rolling stock manufacturing |
|---|---|
| Predecessor | ALe 724 |
| Founded | mid-1980s |
| Successor | ALe 642 |
| Products | ALe 582 electric multiple units |
The ALe 582 represents an Italian electric multiple unit engineered primarily for commuter and regional routes. Conceived in the mid-1980s, it was intended to substitute older EMUs dating from before and shortly after World War II, as well as locomotive-hauled trains operating on various Sicilian and Southern Italian lines. Over time, its deployment expanded across the entire FS network. This model belongs to the "ALe Elettroniche" family—also known as "G.A.I." after the manufacturers' consortium—and is related to both its forerunners, the ALe 724, and successors like the ALe 642.
Although the term "ALe 582" is commonly applied to the full trainset, it technically refers only to the powered driving car; the associated trailers carry classifications of Le 562 (driving trailer), Le 763 (first class), or Le 884 (second class).
History
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The development of the ALe 582 commenced during the mid-1980s with the goal of modernizing rolling stock serving commuter and regional routes on secondary lines throughout Sicily and southern Italy. It derives directly from the earlier ALe 724 units introduced in 1983 for suburban services around Naples, Milan, and Turin.
A key distinction from the ALe 724 series is limited to a redesigned cab front constructed from fiber-reinforced plastic, engineered to meet updated crash safety standards.
The initial procurement was ordered in mid-1984, with deliveries starting in 1987. Production responsibilities were assigned to the G.A.I. Consortium—a collaboration including Breda Costruzioni Ferroviarie, Officine Fiore Lucania, Officine Meccaniche Stanga for bodywork and mechanical systems, alongside Ansaldo Transporti and Firema Trasporti for electrical and electronic equipment.
Originally delivered in a vibrant "MDVE" livery combining red, orange, and dark gray hues, these trains underwent repainting into Trenitalia's XMPR colors between the late 1990s and early 2000s. From 2009 onwards, units transferred from Trenitalia to Trenord adopted a dark green and white color scheme.
Typical train formations consist of an ALe 582 motor-cab car paired with one or two intermediate trailers—either first-class Le 763 or second-class Le 884—and a Le 562 driving trailer without motors. These sets usually comprise three or four cars arranged as Mc-R-R-Rc or Mc-R-Rc configurations. Less common arrangements include two-car sets in Mc-Rc formation or double-motor configurations such as Mc-R-R-Mc.
In 2014, Trenord refurbished six ALe 582 units for operation on the Valtellina Railway route between Lecco and Tirano via Sondrio. Post-renovation, each train was named after a notable mountain peak from the region.
Technic
A notable distinction from the ALe 724 is the front section, constructed from FRP to comply with updated crashworthiness standards. Unlike the ALe 724 units, which only feature second-class seating, the ALe 582 can include either first-class compartments with three rows of seats or second-class compartments with four rows. Trenord's former Trenitalia trains have downgraded their first-class sections to second class, although they retain the original three-row seating arrangement. The intermediate trailers, designated Le763 and Le884, do not contain restroom facilities.
All propulsion components are housed within the ALe 582 motor-cab cars. Each such car contains four nose-suspended motors—two per bogie—wired in a "semi-parallel" configuration where the pair on each bogie is connected in series, and the two bogies are linked in parallel. Power transmission from motor to wheel is achieved through gears with a 30/75 ratio.
The electronic systems and traction controls are centralized in a specialized compartment known as "A.T." (Alta-Tensione, meaning "High-Voltage"), situated between the driver's cab and the first passenger door on the ALe 582.
This compartment contains the GTO chopper traction control unit produced by Ercole Marelli, similar to that employed on ETR450 trains. It also houses the I.R. (interruttore rapido or main 3 kV switch), transformer, fuses, and other critical components. Additionally, coupler adapters, short-circuit bars, and various emergency or maintenance tools are stored within this space.
Each ALe 582 is equipped with two Type 52 pantographs, a standardized design developed by FS.
Braking is managed via an electro-pneumatic system controlled by an Oerlikon device. Consistent with other G.A.I. EMUs, the ALe 582 features regenerative braking; recovered electrical energy can be either fed back into the overhead catenary or dissipated through resistors mounted on the roof between the pantographs. Below speeds of 30 km/h, air brakes take over from electric braking.
The bogies were engineered by Fiat Ferroviaria and incorporate air suspension systems.
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Lines served
The ALe 582 operates across railway routes in these regions:
- Sicily
- Lombardy
- Campania
- Tuscany (at times replaced by ALe 642)
- Emilia Romagna (occasionally substituted by ALe 642)
- Abruzzo
Commuter rail lines
The ALe 582 serves:
Milan suburban railway service
Naples metropolitan railway service (Line 2)
Bologna metropolitan railway service (sometimes replaced by ALe 642)
See also
- Class ALe 724 – predecessor designed primarily for commuter and metro-like routes in major urban centers
- Class ALe 642 – successor featuring enhancements for operation in Tuscany and Emilia Romagna
- Class EA.750 – variant acquired by Ferrovie Nord Milano, used alongside double-deck Casaralta or Socimi "Hinterland" coaches
References
- Vittorio Cervigni, "Elettromotrici ALe 582," I Treni Oggi, issue 72, June 1987, pp. 14–18
- FS, Elettromotrici ALe 582 (full citation needed as of January 2015)