British Rail Class 345 Aventra | |
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![]() Class 345 unit at Abbey Wood | |
![]() Interior of a Class 345 unit | |
In service | 22 June 2017 – present[1] |
Manufacturer | |
Built at | Derby Litchurch Lane Works[2] |
Family name | Aventra |
Replaced | |
Constructed | 2015–2019 |
Number under construction | 10 |
Number built | 70[4] |
Formation | 9 cars per unit[5] (See § Fleet details) |
Fleet numbers | 345001–345070 |
Capacity | 1500 total (454 seated, 1046 standing) |
Owners | 345 Rail Leasing[6] |
Operators |
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Depots | |
Lines served |
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Specifications | |
Car body construction | Aluminium, with steel cabs |
Train length | 204.73 m (671 ft 8 in) |
Car length |
|
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)[7] |
Wheelbase |
|
Maximum speed | 90 mph (145 km/h) |
Weight |
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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)[8] |
Electric system(s) | 25 kV 50 Hz AC overhead[8] |
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[7][9] |
Braking system(s) | Electro-pneumatic (disc) and regenerative |
Safety system(s) | |
Coupling system | Dellner |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
Notes/references | |
Sourced from [10] 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.
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