SZ class of 310 high speed emus were built by Fiat in 2000. They run as 3-car units, operating on 3000 volt DC, and are rated at 2000 kW, 2680 hp with a top speed of 200 km/h, 125 mph. There are 30 first class and 134 second class seats.

SZ 310 001 at Venice S. Lucia with train EC 51 (15:44 to Ljubljana) on Tuesday October 17th, 2006.