British Rail Class 345 information

British Rail Class 345
*Aventra*
British Rail Class 345; Aventra
	Class 345 unit at Abbey Wood
	Interior of a Class 345 unit
In service	22 June 2017 – present
Manufacturer	Bombardier Transportation; Alstom;
Built at	Derby Litchurch Lane Works
Family name	Aventra
Replaced	Class 315; Class 360;
Constructed	2015–2019
Number under construction	10
Number built	70
Formation	9 cars per unit; (See § Fleet details)
Fleet numbers	345001–345070
Capacity	1500 total (454 seated, 1046 standing)
Owners	345 Rail Leasing
Operators	Current: MTR Elizabeth line; Former: TfL Rail;
Depots	Ilford EMU (London); Old Oak Common (London);
Lines served	GEML (Liverpool Street to Shenfield); GWML (Paddington to Heathrow and Reading); Elizabeth line (Paddington to Abbey Wood and Stratford);
Specifications
Car body construction	Aluminium, with steel cabs
Train length	204.73 m (671 ft 8 in)
Car length	DM vehs.: 23.615 m (77 ft 5.7 in); Others: 22.500 m (73 ft 9.8 in);
Width	2.772 m (9 ft 1.1 in)
Height	3.760 m (12 ft 4.0 in)
Floor height	1.145 m (3 ft 9.1 in)
Doors	Double-leaf sliding plug,; each 1.450 m (4 ft 9.1 in) wide; (3 per side per car)
Wheel diameter	825–750 mm (32.5–29.5 in) (new–worn)
Wheelbase	Per bogie:; 2.25 m (7 ft 5 in); Over bogie centres:; 16.00 m (52 ft 6 in);
Maximum speed	90 mph (145 km/h)
Weight	319 tonnes (314 long tons; 352 short tons);
Traction motors	20 × 250 kW (340 hp); (2 per powered bogie) (IGBT-VVVF)
Power output	4,400 kW (5,900 hp) (at rail)
Acceleration	1 m/s2 (3.3 ft/s2)
Electric system(s)	25 kV 50 Hz AC overhead
Current collector(s)	Pantograph
UIC classification	2′Bo′+2′Bo′+Bo′Bo′+2′Bo′+2′2′+Bo′2′+Bo′Bo′+Bo′2′+Bo′2′
Bogies	Bombardier FLEXX Eco 5011
Braking system(s)	Electro-pneumatic (disc) and regenerative
Safety system(s)	AWS; CBTC (Siemens Trainguard); ETCS; TPWS;
Coupling system	Dellner
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
	Sourced from unless otherwise noted.

The British Rail Class 345 Aventra is a fleet of electric multiple unit passenger trains built by Bombardier Transportation for use on London's Elizabeth line. Part of Bombardier's Aventra family of trains, the contract for their delivery was awarded as part of the Crossrail project in February 2014. A total of 70 nine-car units – each able to carry 1,500 passengers – were constructed in Derby between 2015 and 2019, at a cost of over £1 billion. The first unit entered service on 22 June 2017.

^ Cite error: The named reference service was invoked but never defined (see the help page).
^ ^a ^b ^c "Crossrail rolling stock and depot contract to be awarded to Bombardier". London: Department for Transport. 6 February 2014. Archived from the original on 8 August 2014. Retrieved 12 October 2022.
^ Cite error: The named reference bbc 20240614 was invoked but never defined (see the help page).
^ Cite error: The named reference railnewstflordermore was invoked but never defined (see the help page).
^ Cite error: The named reference rgi20140206 was invoked but never defined (see the help page).
^ Sherratt, Philip, ed. (2023). "ROSCO Fleets". Modern Railways: Review 2023. Stamford: Key Publishing. pp. 18–19. ISBN 978-1-80282-569-5.
^ ^a ^b ^c "Business Unit Bogies - Product Portfolio Presentation" (PDF). Bombardier Transportation. January 2018. Retrieved 5 November 2023.
^ ^a ^b Cite error: The named reference rgfeb2012 was invoked but never defined (see the help page).
^ "Class 345 Stock Information Sheet" (PDF). Transport for London.
^ Class 345 Data (PDF). Transport for London. 17 October 2017. Archived (PDF) from the original on 12 October 2022. Retrieved 18 September 2021.

[service-1] Cite error: The named reference service was invoked but never defined (see the help page).

[DfT_Class_345-2] "Crossrail rolling stock and depot contract to be awarded to Bombardier". London: Department for Transport. 6 February 2014. Archived from the original on 8 August 2014. Retrieved 12 October 2022.

[bbc_20240614-3] Cite error: The named reference bbc 20240614 was invoked but never defined (see the help page).

[railnewstflordermore-4] Cite error: The named reference railnewstflordermore was invoked but never defined (see the help page).

[rgi20140206-5] Cite error: The named reference rgi20140206 was invoked but never defined (see the help page).

[mrr23rf-6] Sherratt, Philip, ed. (2023). "ROSCO Fleets". Modern Railways: Review 2023. Stamford: Key Publishing. pp. 18–19. ISBN 978-1-80282-569-5.

[bogie-7] "Business Unit Bogies - Product Portfolio Presentation" (PDF). Bombardier Transportation. January 2018. Retrieved 5 November 2023.

[rgfeb2012-8] Cite error: The named reference rgfeb2012 was invoked but never defined (see the help page).

[9] "Class 345 Stock Information Sheet" (PDF). Transport for London.

[Class_345_Data_Sheet-10] Class 345 Data (PDF). Transport for London. 17 October 2017. Archived (PDF) from the original on 12 October 2022. Retrieved 18 September 2021.

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