Swiss Federal Railways ordered an initial 24 7-car trainsets in 1996 at a cost of . The contract went to a consortium including
Adtranz,
Schindler Waggon, and
Fiat-SIG.
Pininfarina designed the vehicle body. The trains were intended for use on the
Jura Foot Line; adopting
tilting technology allowed SBB to defer track upgrades over the route. The first trainsets entered service on the 28 May 2000 timetable change, running from
St. Gallen via
Winterthur,
Zürich and
Biel/Bienne to
Lausanne. All 24 trainsets were in service by the opening of the
Expo.02 national exposition in May 2002. The trains all carried the slogan "enable the future" (). SBB ordered another 10 trainsets, with an option for 10 more, in June 2001. SBB exercised the option that December, for a total of 20 additional transets at . Delivery was complete by 2005. RABDe 500-operated services are indicated on timetables and mobile applications by the "" label. All 44 trainsets were refurbished between 2012 and 2019, an overhaul taking 25 days per train. Another overhaul, taking place between 2021 and 2029, will replace the interiors and improve mobile phone reception. the RABDe 500 is primarily used on two
InterCity routes and one
InterRegio route: the IC 5, running from to or
Zürich HB; the IC 51, running from to ; and the IR 57 running from to . ==Design==