E231 series

E231 series
A Chūō–Sōbu Line E231-0 series train in December 2022
ManufacturerJR East, Kawasaki Heavy Industries, Tokyu Car Corporation
Built atNiitsu, Kobe, Yokohama
Replaced103 series, 113 series, 115 series, 201 series, 205 series, 301 series
Constructed1998–2006
2010–2011 (SaHa E231-600 & SaHa E231-4600 carriages)
Entered service13 March 2000
Refurbished2014–
Scrapped2010–
Number built2,736 vehicles
Number in service2,476 vehicles
(+48 vehicles converted to E235 series)
Number scrapped212 vehicles
SuccessorE235 series (Yamanote Line)
Formation4/5/8/10 cars per trainset (Previously also 11)
OperatorsJR East
DepotsKawagoe, Keiyō, Kōzu, Matsudo, Mitaka, Oyama
Lines served(See below)
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)[1]
Width2,950 mm (9 ft 8 in)[1]
Doors4 pairs per side (previously also 6 pairs per side)
2 doors per side (Green cars)
Maximum speed120 km/h (75 mph)[1]
Traction systemIGBT-VVVF
Acceleration2.5, 3, or 3.3 km/(h⋅s) (1.6, 1.9, or 2.1 mph/s)
Deceleration4 km/(h⋅s) (2.5 mph/s) (service)
4.5 km/(h⋅s) (2.8 mph/s) (emergency)
HVACAU725/AU726
Electric system(s)1,500 V DC overhead
Current collector(s)Overhead line
BogiesDT61 (powered), TR246 (trailer)
Braking system(s)Regenerative brake, electronically controlled pneumatic brakes
Safety system(s)ATS-P, ATS-SN, D-ATC
Coupling systemShibata type
Multiple workingE233-3000 series (for E231-1000 series only)
Track gauge1,067 mm (3 ft 6 in)

The E231 series (E231系, E231-kei) is an electric multiple unit (EMU) train type used for commuter and outer-suburban services operated by East Japan Railway Company (JR East) in Japan since 2000.

  1. ^ a b c Jēāru zensharyō handobukku: Rail Magazine 2009 JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. ISBN 978-4-7770-0836-0.