 The first four entered on 9 June 2019 on "Frecciargento" services on the Adriatic railway between Milan and Ancona with all to be in service by early 2020 with services extended to Lecce.The 8-car sets are designed to operate on 3 kV DC, 1.5 kV DC and 25 kV 50 Hz AC overhead power supply, allowing operations on both Dutch and Belgian electrified networks.Traction is distributed with alternating powered and trailer vehicles in MTMTTMTM formation.