B1 (Guangzhou Metro car)

The B1 (commonly known as Guangzhou Metro Line 3 Trains) is a class of rolling stock built for Line 3 of Guangzhou Metro. They are built by Siemens Mobility and CSR Zhuzhou Locomotive. B1 is the first mass-produced B-class rolling stock for the Guangzhou Metro. They entered service on 26 December 2005.^[2]

B1
B1 train at Xiajiao Depot
Stock type	Class B EMU
In service	26 December 2005-present
Manufacturer	Siemens Mobility and CSR Zhuzhou Locomotive
Built at	Zhuzhou, China
Family name	Modular Metro
Constructed	2005-2007
Entered service	26 December 2005
Number built	120
Number in service	120
Formation	Mcp-T-Mcp
Fleet numbers	03A001~03A002-03A039~03A040
Capacity	240 per car
Operators	Guangzhou Metro Group
Depots	Xiajiao Depot Jiahe Depot
Lines served	3
Specifications
Car body construction	Aluminum alloy
Train length	59.94 m (196 ft 8 in)
Car length	19.98 m (65 ft 7 in)
Width	2.8 m (9 ft 2 in)
Height	3.8 m (12 ft 6 in)
Doors	Electric doors
Maximum speed	120 km/h (75 mph)
Traction system	Siemens Mobility G1500 D1000/300 M5-1 IGBT-VVVF
Traction motors	Siemens Mobility 1TB2013-1GA02 3-phases AC induction motors
Acceleration	Maximum 0.9 km/(h⋅s) (0.559 mph/s)
Deceleration	1.0 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
UIC classification	Bo′Bo′+2′2′+Bo′Bo′
Bogies	Siemens Mobility SF2500[1]
Track gauge	4 ft 8+1⁄2 in (1,435 mm)

B1 sets are double-paired for service since 20 April 2010, to expand the service capacity of Line 3.^[3]

Description

The B1s feature Siemens traction motors, Knorr EP-2002 electronic braking systems, plug-style doors and electronic strip maps.^[4]

History

The B1 contract was awarded to Siemens Mobility on 19 May 2003, who won the A1 contract before. The first train completed on 18 November 2005.^[5]

On 8 January 2010, the first train (set 03x001-002) received an overhaul at Xiajiao Depot.^[6]

Roster

Formation	03A0xx (Tcp)	03B0xx (T)	03C0xx (Tcp)
Numbers	03A001 ∥ 03A039	03B001 ∥ 03B039	03C001 ∥ 03C039

• Mcp – Motor car with drive cab and pantograph

• T – Trailer car^[7]