by Benny
With the growth of high speed lines, in the second half of the 80s FS was in need of a fast and powerful locomotive for the heavy Inter City trains, also because with 200 km/h heavy trains E 444 demonstrated to be at the limit of its performance, so a new state of the art project was designed. E 402 (that later became E 402A) is a four axle loco with an hourly rating of 6000 kW and a max. speed of 220 km/h (137 mph) powered by four asynchronous three-phase motors through electronic converters.
As FS and Italian industry had not experience in modern three-phase drive, were built a testbed and five prototypes, with a different aesthetic, that showed various electronic problems but a good mechanical behavior, so were ordered 40 series units that entered service around the half of the 90s principally at the head of heavy fast trains, sometimes in push-pull mode too. After sectorization they were assigned to the passenger division and followed on with the same work but a non perfect reliability, the arrival of other classes and the progressive use of the red, silver and white "arrows" for long distance services made E 402A surplus and some months ago began their rebuilding as single cab locos with a new electric and electronic scheme. The future of the class will be likely with push-pull express and medium distance trains.
Prototype E 402A.004 with an Euro City from Switzerland transit in Lesa, on the Simplon line , in 2003. Photo by S. Paolini courtesy of Photorail E 402A.035 passes under the characteristic A switching cabin of Milano Centrale station in 2003. Photo by S. Paolini courtesy of Photorail E 402A.023 at the head of a sporadic train from Slovakia to Florence near Castelfranco Veneto in 2011. Photo by M. Cantini Ciao
As FS and Italian industry had not experience in modern three-phase drive, were built a testbed and five prototypes, with a different aesthetic, that showed various electronic problems but a good mechanical behavior, so were ordered 40 series units that entered service around the half of the 90s principally at the head of heavy fast trains, sometimes in push-pull mode too. After sectorization they were assigned to the passenger division and followed on with the same work but a non perfect reliability, the arrival of other classes and the progressive use of the red, silver and white "arrows" for long distance services made E 402A surplus and some months ago began their rebuilding as single cab locos with a new electric and electronic scheme. The future of the class will be likely with push-pull express and medium distance trains.
Prototype E 402A.004 with an Euro City from Switzerland transit in Lesa, on the Simplon line , in 2003. Photo by S. Paolini courtesy of Photorail E 402A.035 passes under the characteristic A switching cabin of Milano Centrale station in 2003. Photo by S. Paolini courtesy of Photorail E 402A.023 at the head of a sporadic train from Slovakia to Florence near Castelfranco Veneto in 2011. Photo by M. Cantini Ciao
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