Shanghai Metro AC17

The 02A03 and the 02A04 (formerly known as AC17) are a class of electric multiple unit currently used on used on the Line 2 of Shanghai Metro. It was introduced into service in 2010 with the west and east extension of Line 2. A total of 256 cars were built by Alstom and CSR Nanjing Puzhen.

Shanghai Metro 02A03/02A04 AC17A/AC17B
A four-car 02A04 set approaching Pudong International Airport station in 2018
Stock type	Class A EMU
In service	16 March 2010-present
Manufacturer	Alstom and CSR Nanjing Puzhen
Built at	Nanjing and Shanghai, China
Family name	Metropolis
Constructed	2009-2010 2017-2019
Entered service	16 March 2010
Number built	256
Number in service	256
Formation	Tc-Mp-M-Mp+Mp-M-Mp-Tc
Fleet numbers	022971-025522
Capacity	310 per car
Operators	Shentong Metro Group
Depots	Beidi Road Depot Longyang Road Depot Chuansha Yard
Lines served	2
Specifications
Car body construction	Aluminum alloy
Train length	139.98 m (459 ft 3 in)
Car length	23.54 m (77 ft 3 in)
Width	3 m (9 ft 10 in)
Height	3.8 m (12 ft 6 in)
Doors	Electric doors
Maximum speed	80 km/h (50 mph)
Traction system	Alstom ONIX 152 IGBT-VVVF
Traction motors	Alstom 4LCA-2138 3-phases AC induction motors
Acceleration	Maximum 0.9 km/(h⋅s) (0.559 mph/s)
Deceleration	1 km/(h⋅s) (0.621 mph/s) (service) 1.3 km/(h⋅s) (0.808 mph/s) (emergency)
Electric system(s)	1,500 V DC
Current collection	Single-arm Pantograph
Bogies	Alstom B25 Additional cars: CRRC Nanjing Puzhen PW80E
Safety system(s)	CASCO Tranavi (CBTC, DTO/GoA3) with GRS Micro Cabmatic ATC (TBTC, ATO/GoA2)
Track gauge	4 ft 8+1⁄2 in (1,435 mm)

In 2014, AC17A was renamed as 02A03 and AC17B was renamed as 02A04.^[1]

Overview

AC17 trains are divided into two types of stock, AC17A and AC17B. Their designs are identical to the AC13 trains, which are used on Line 10. They have livery in green, white and black.

By 19 April, 2019, AC17Bs were assigned for the service of east extension (Guanglan Road station – Pudong International Airport station) only.^[2]

Formation of AC17B

The AC17Bs were formed as Tc-Mp+Mp-Tc as they entered service. The contract PM109 consists additional 64 cars for expand 16 02A04 sets was awarded to CRRC Nanjing Puzhen in December 2016, to increase the capacity of Line 2.

Between 2018 and 2020, all 02A04s were gradually removed and transported to CRRC Nanjing Puzhen for expansion. Each set added four cars. Every 02A04 car added ceiling level displays during the expansion work.^[3]

Signaling upgrade

In 2023, 02A03s and 02A04s‘ signalling system were upgraded from ATO (TBTC) to DTO (CBTC).^[4]