This article lists every electric-powered multiple unit allocated a TOPS classification or used on the mainline network since 1948, i.e. British Railways and post-privatisation. For a historical overview of electric multiple unit development in Great Britain, see British electric multiple units.

British Rail operated a wide variety of electric multiple units for use on electrified lines:

AC units operate off (AC) from overhead wires. Where clearances for the overhead wires on the Great Eastern Main Line, North Clyde Line and London, Tilbury and Southend railway routes were below standard, a reduced voltage of was used. The Midland Railway units used . Under the computer numbering, AC units (including mixed-voltage units that can also work off a DC supply) were given a class in the range 300–399. DC units operate off (DC) from a third rail on the Southern Region and North London, Merseyside and Tyneside networks. The Manchester-Bury Railway line used from a side-contact third rail. The Manchester South Junction & Altrincham and "Woodhead" and initially the Great Eastern Railway routes used from overhead wires. Under the computer numbering, DC units were given a class in the range 400–599.

AC EMUs and dual-voltage EMUs First generation TOPS classPre-TOPS className or InformationBuiltQuantity (sets)NotesImageWithdrawnScrapped   ex-Ex-MR units Lancaster-Morecambe-Heysham19083 (4-car)1953All Class 300   Proposed parcels units Planned parcels conversation from Class 307Never builtNever built   AM1 25 kV AC prototype units195241966All Class 302 AM2 London-Tilbury-Southend1958–1960112 1999About 110 Class 303 AM3 Strathclyde. Also on Greater Manchester area services during 1980s/early 1990s.1959–196191 75613 from unit 303013 is still in use with the British Transport Police. 1974–200290 Class 304 AM4 Greater Manchester, Liverpool, Birmingham1959 EMU196045 1992–1996All Class 305 AM5 Chingford, Enfield1959 EMU195971 1992–2002 Class 306 AM6 Shenfield (inner-suburban)194992 Ordered by LNER in 1938, but construction was delayed due to World War II. 198191 Class 307 AM7 Southend (outer-suburban)1954–195632 1990–19932000 (parcel units)31 Class 308 AM8 Eastern Region lines1959 EMU195945 198319922001All Class 309 AM9 Clacton Express.1962–196376 1994–20002004 (departmental use)About 74 Class 310 AM10 Euston outer-suburban. Also West Midlands1965–196750 1967 (1)1989 (1)2001–20022005 (departmental use)All Class 311 AM11 Strathclyde1966–196719 19901999 (departmental use)18 Class 312 Great Eastern suburbanGreat Northern suburban West Midlands (four units)1975–197849 2003–200449

Second generation TOPS class Built for Current Operator(s) Builder Number built Image Withdrawn Scrapped Class 313 BR Eastern Region(Great Northern suburban) BREL York 1976–1977 64 × 3-car sets 2019 (GN)2023 (Southern) 62 Class 314 BR Scottish Region(Argyle Line) BREL York 1979 16 × 3-car sets 2018–2019 15 Class 315 BR Eastern Region(Great Eastern suburban) BREL York 1980–1981 61 × 4-car sets 2018–2022 60 Class 316 (I) proposed units for Picc-Vic services – (never built) – Never built Never built Class 316 (II) (AC Networker prototype) (never used in passenger service, now out of service) converted from class 210 and 313 cars 1 × 4-car set Out of service1 Class 316 (III) (test unit) (never used in passenger service, scrapped 2006) converted from class 307 1 × 3-car set 2006 Class 317 Class 317/1 London Midland RegionClass 317/2 Network SouthEast(Bedpan and Great Northern lines) BREL York 1981–1982 (317/1)1985–1987 (317/2) 72 × 4-car sets 2020–2022 286 cars Class 318 Provincial ScotRail(for Strathclyde PTE) ScotRail BREL York 1985–1986 21 × 3-car sets still in use None Class 319 Network SouthEast(Thameslink services)Rail Operations Group BREL York 1987–1988 (319/0)1990 (319/1) 86 × 4-car sets 41 Class 320 Provincial ScotRail(for Strathclyde PTE) ScotRail BREL York 1990 22 × 3-car sets None Class 321 Network SouthEast(Great Eastern and Euston services)Regional Railways(for West Yorkshire PTE) Varamis Rail BREL York 1988–1991 117 × 4-car sets 2021–2023 12 TSOs96 units Class 322 Network SouthEast(Stansted Express service) BREL York 1990 5 × 4-car sets 2022 All Class 325 Rail Express Systems(for Royal Mail) ABB Derby 1995–1996 16 × 4-car units 1995–2024 10

Modern/Third generation These use solid state switching devices (thyristors and transistors) and have electronic power control.

TOPS class Built for Current Operator(s) Builder Number Built ImageWithdrawn Scrapped Class 323 Regional Railways(for West Midlands PTE and Greater Manchester PTE) Northern Trains Hunslet Transportation Projects/Holec 1992–1995 43 x 3-car sets still in use None Class 331 (I) proposed units for London, Tilbury and Southend Original classification of Class 332 (never built) Never builtNever built Class 331 (II)Civity Arriva Rail North Northern Trains CAF 2017–2020 31 x 3-car units12 x 4-car units still in use None Class 332 Heathrow Express Siemens Transportation Systems/CAF 1997–1998, 2002 9 x 4-car sets5 x 5-car sets 2020 58 cars Class 333 Arriva Trains Northern(for West Yorkshire PTE) Northern Trains Siemens Transportation Systems/CAF 2000–2003 16 x 4-car sets still in useNone Class 334Juniper ScotRail(for Strathclyde PTE) ScotRail Alstom Birmingham 1999–2002 40 x 3-car sets Class 341Networker proposed units for Crossrail(never built)Never builtNever built Class 342Networker proposed units for Channel Tunnel Rail Link Domestic ServicesNever built Class 345Aventra Elizabeth line Elizabeth line Bombardier Derby 2015–2019 70 x 9-car sets still in use None Class 350 (I) Original classification of Class 325 Class 350 (II)Desiro SilverlinkCentral Trains West Midlands Trains Siemens Transportation Systems 2004–20052008–20092013–2014 87 x 4-car sets still in useNone Class 357Electrostar LTS Rail c2c Adtranz/Bombardier Derby 1999–2002 74 x 4-car sets Class 360Desiro First Great EasternHeathrow Connect East Midlands Railway Siemens Transportation Systems 2002–20032004–2005 21 x 4-car sets5 x 5-car sets 2 Class 365Networker Network SouthEast(Great Northern and South Eastern services) ABB York 1994–1995 41 x 4-car sets 2021 161 cars Class 371Networker proposed units for Thameslink 2000 – (never built) –Never builtNever built Class 375Electrostar Connex South EasternSouth Eastern Trains Southeastern Adtranz/Bombardier Derby 1999–2005 10 x 3-car sets102 x 4-car sets still in useNone Class 376Electrostar South Eastern Trains Southeastern Bombardier Derby 2004–2005 36 x 5-car sets Class 377Electrostar Southern SoutheasternSouthern Bombardier Derby 2001–20052008–20092013–2014 28 x 3-car sets177 x 4-car sets34 x 5-car sets Class 378Capitalstar London Overground London Overground Bombardier Derby 2008–2011 57 x 5-car sets Class 379Electrostar National Express East Anglia Great Northern Bombardier Derby 2010–2011 30 x 4-car sets Class 380Desiro First ScotRail ScotRail Siemens Mobility 2009–2011 22 x 3-car sets16 x 4-car sets Class 381Networker proposed Network SouthEast express units – (never built) –Never builtNever builtClass 382 Northern Trains 46 x 3-car sets16 x 4-car sets not yet in serviceNoneClass 385 AT200 Abellio ScotRail ScotRail Hitachi Kudamatsu & Hitachi Newton Aycliffe 2015–2019 46 x 3-car sets24 x 4-car setsstill in use Class 387Electrostar ThameslinkGreat Western Railwayc2c Gatwick ExpressGreat NorthernGreat Western RailwayHeathrow Express Bombardier Derby 2014–2017 107 x 4-car sets Class 700Desiro City Thameslink ThameslinkGreat Northern Siemens Mobility 2014–2018 60 x 8-car sets55 x 12-car sets Class 701Aventra South Western Railway South Western Railway Bombardier/Alstom Derby 2019– 30 x 5-car sets60 x 10-car sets Class 705 Original classification of Class 701 Class 707Desiro City South West Trains Southeastern Siemens Mobility 2015–2018 30 x 5-car sets still in useNone Class 710Aventra London Overground London Overground Bombardier Derby 2017–2020 48 x 4-car sets6 x 5-car sets Class 711 Original classification of Class 701 Class 717Desiro City Great Northern Great Northern Siemens Mobility 2018–2019 25 x 6-car sets still in useNone Class 720Aventra Greater Angliac2c Greater Angliac2c Bombardier/Alstom Derby 2018–2020 145 x 5-car sets Class 730Aventra West Midlands Trains West Midlands Trains Bombardier/Alstom Derby 2020–2021 36 x 3-car sets45 x 5-car sets Class 745FLIRT Greater Anglia Greater Anglia Stadler Rail 2018–2020 20 x 12-car sets Class 755FLIRT Greater Anglia Greater Anglia Stadler Rail 2018–2020 14 x 3-car sets24 x 4-car sets Class 756FLIRT Transport for Wales Rail Transport for Wales Rail Stadler Rail 2021–2023 7 × 3-car sets17 × 4-car sets Class 768 Rail Operations Group Rail Operations Group BREL York 1987–88Brush Traction 2020– (conversion) 10 x 4-car sets Class 769Flex Great Western RailwayNorthern TrainsRail Operations GroupTransport for Wales Rail Northern Trains BREL York 1987–88Brush Traction 2017–2020 (conversion) 35 x 4-car sets 1 car Class 777METRO Merseyrail Merseyrail Stadler Rail 2018–2021 52 x 4-car sets None Class 780Northern TrainsTBA 78 x 3-car sets83 x 4-car setsnot yet in service Class 781 32 x 4-car sets Class 799HydroFlex Porterbrook Porterbrook BREL York, 1987Quinton Rail Technology Centre 2019 (conversion) 2 x 4-car sets still in use 1

High speed trains High speed multiple unit or fixed formation trainsets, capable of operating at speeds above . TOPS class Built for Current Operator(s) Builder Number Built ImageWithdrawn Scrapped Class 370APT-P prototype APT BREL Derby 1979 6 x 7-car half sets2 spare cars 1985–1986 35 cars Class 373TGV Eurostar Eurostar GEC Alsthom, La Brugeoise et Nivelles 1992–1996 14 x 8-car half sets62 x 10-car half sets1 spare car still in use 17 Class 374Velaro UK Eurostar Eurostar Siemens Mobility 2011–2018 34 x 8-car half sets None Class 390PendolinoVirgin Trains Avanti West Coast Alstom Birmingham 2001–2004Alstom Savigliano, Italy 2010–2012 22 x 9-car sets35 x 11-car sets 1 Class 395Javelin Southeastern Southeastern Hitachi, Japan 2007–2009 29 x 6-car sets None Class 397Civity TransPennine Express (2016–2023) TransPennine Express CAF 2017–2019 12 x 5-car sets Class 800AT300 Virgin Trains East Coast and London North Eastern Railway London North Eastern RailwayHitachi, Kudamatsu & Newton Aycliffe 2014–201834 x 9-car sets46 x 5-car setsGreat Western RailwayGreat Western Railway Class 801AT300 Virgin Trains East Coast and London North Eastern Railway London North Eastern Railway Hitachi Kudamatsu & Newton Aycliffe 2017–2020 30 x 9-car sets12 x 5-car sets Class 802AT300Great Western RailwayGreat Western RailwayHitachi Kudamatsu & Hitachi Rail Italy 2017–202046 x 5-car14 x 9-car setsHull TrainsHull TrainsTransPennine Express (2016–2023)TransPennine ExpressClass 803AT300LumoLumoHitachi Newton Aycliffe 5 x 5-car setsClass 805AT300Avanti West CoastAvanti West Coast 13 x 5-car setsClass 807AT300 10 x 7-car setsClass 810AuroraEast Midlands Railway 33 x 5-car setsClass 895Avanti West CoastAlstom Crewe & Derby/Hitachi Newton Aycliffe 54 x 8-car setsnot yet in serviceClass 897CivityLondon North Eastern RailwayCAF 10 x 10-car sets

DC EMUs

Southern Region units The Southern Railway and its successor, the Southern Region of British Rail, used three letter codes to classify their DC EMU fleets, as shown after the TOPS class numbers. Southern Region EMUs were classified in the 400 series under TOPS.

Pre-Nationalisation

TOPS class SR class Name or Information Built Quantity (sets) Withdrawn Notes Image ScrappedClass 4012-BIL1935–381521965–71151Class 4022-Hal1001969–71All2-Pan2-Nol1934–36781956–592-SLSouth London1929819542-WIMWimbledon-Croydon192943-SUB1946–511841976–834-BUF1937–38851964Class 4044-Cor1968–71284-DDDouble Deck EMU1949219714-GriAll4-LAV351968–694-RESClass 4054-SUBAbout 184Class 4035-BELBrighton Belle London Victoria-Brighton1932151 (p)26-CITLondon Bridge-Brighton38 in total6-PanPantry units6-PulPullman London Victoria-Brighton

Mark 1 and 2 bodyshell