British Rail Class 455 | |
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![]() South Western Railway Class 455/9 unit leaving Waterloo in 2024 | |
![]() Interior of a refurbished South West Trains Class 455/9 | |
In service | 1983–present[1] |
Manufacturer | British Rail Engineering Limited[1] |
Built at | Holgate Road Works, York |
Family name | BR Second Generation (Mark 3) |
Replaced | |
Constructed | 1982–1985 |
Scrapped | 2022–present |
Number built |
|
Number in service | 82 |
Number scrapped | 55 |
Successor | |
Formation | 4 cars per unit: DTSO-MSO-TSO-DTSO[1] |
Diagram |
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Fleet numbers |
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Capacity |
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Owners | Porterbrook |
Operators | |
Depots |
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Specifications | |
Car body construction | |
Train length | 81.16 m (266 ft 3 in)[1] |
Car length |
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Width | 2.82 m (9 ft 3 in)[2] |
Height |
|
Floor height | 1.14 m (3 ft 9 in) |
Doors | Double-leaf pocket sliding (2 per side per car)[note 1] |
Wheelbase | Over bogie centres: 14.17 m (46 ft 6 in) |
Maximum speed | 75 mph (121 km/h)[1] |
Weight |
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Traction system |
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Traction motors |
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Power output |
|
Acceleration | 0.58 m/s2 (1.9 ft/s2)[1] |
Electric system(s) | 750 V DC third rail[1] |
Current collector(s) | Contact shoe |
UIC classification | 2′2′+Bo′Bo′+2′2′+2′2′ |
Bogies |
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Minimum turning radius | 70 m (231 ft)[2] |
Braking system(s) |
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Safety system(s) | |
Coupling system | Tightlock[2] |
Multiple working | Within class, and with Class 456 |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The British Rail Class 455 is an electric multiple unit passenger train built by BREL[1] between 1982 and 1985. It is operated on suburban services in Greater London and Surrey by South Western Railway, as well as formerly by Southern.
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