The B1 (commonly known as Guangzhou Metro Line 3 Train) 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.广州地铁3号线开通 时速达120公里 .信息时报.2005-12-27
B1 units are double-paired for service since 20 April 2010, to expand the service capacity of Line 3.广州地铁三号线列车提前加长 3节车厢改6节. 南方日报.2010-04-05
Description The B1 features Siemens traction motors, Knorr EP-2002 electronic braking systems, plug-style doors and electronic strip maps. 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.
On 8 January 2010, the first train (set 03x001-002) received an overhaul at Xiajiao Depot. Roster Formation03A0xx (Tcp)03B0xx (T)03C0xx (Tcp)Numbers03A001 ∥ 03A03903B001 ∥ 03B03903C001 ∥ 03C039
Mcp – Motor car with drive cab and pantograph
T – Trailer car
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