British Rail Class 315

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British Rail Class 315
Unit 315838 at Ilford.JPG
Class 315 unit at Ilford
In service1980 - Current
ManufacturerBREL York
RefurbishmentAll 61 Greater Anglia sets 2006-present
Number built61 trainsets
Formation4 cars per trainset
Capacity320 seats
Operator(s)TfL Rail
London Overground
Car length19.80 m
Width3.58 m
Height2.82 m
Maximum speed75 mph (121 km/h)
Weight127.5 tonnes
Power output656 kW
Electric system(s)25 kV AC Overhead
Track gaugeStandard gauge (1,435 mm)

British Rail Class 315 alternating current (AC) electric multiple units (EMU) were built by BREL at York works from 1980 to 1981. They were the fifth and final variety of British Rail's then-standard 1972 design for suburban EMUs, which eventually encompassed 755 vehicles and five Classes (Class 313/314/315/507/508). Like the Glasgow-based Class 314 units, they are only able to operate from 25 kV overhead line current collection. The fleet works inner-suburban services on the Great Eastern Main Line run by the train operating company TfL Rail out of London Liverpool Street. Class 315s also work services from Liverpool Street to Chingford, Enfield Town and Cheshunt operated by London Overground.