The original fleet of nine 6-car trainsets was built from 2004, and
consist of two limited express configuration cars based on the 2000 series EMUs together with four commuter configuration cars with three pairs of doors per side. The trains entered service from 29 January 2005.


Two more six-car sets were built in fiscal 2015.


Another six-car set, numbered 2212, was delivered in 2016.


Set 2213 was delivered in February 2019.