Shanghai Metro AC05

The 04A01 is an electric [multiple unit] currently used on Line 4 of Shanghai Metro. They are developed by Siemens Mobility and built by CSR Zhuzhou Locomotive. AC05s entered service on 31 December 2005.
Between July 2006 and September 2009, eight AC05 trains were temporarily assigned to Line 2 service, due to the shortage of AC02 trains, the delayed delivery of AC08 trains and the opening of Line 2 extension. In 2014, AC05 trains renamed 04A01 trains.''''''

Overview

The AC05 trains have livery in purple and white, with the number "4" on every car, to help passengers distinguish the AC03 trains at Line 3 section.
In March 2002, Siemens Mobility and CSR Zhuzhou Locomotive awarded the contract to build AC05 trains for the Pearl line Phase 2 project. The first train built by CSR Zhuzhou Locomotive was completed on 18 December 2004.

Signaling upgrade

Between 2023 and 2025, all 04A01s were modified by Shentong Metro. They are undergoing TACS installation and every car's indicators increased from two to four. 04A01s' have also received new LCD screen displays. The LED display's color was changed from orange to red.