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E231 series

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E231 series
A Chuo-Sobu Line E231-0 series train in May 2019
ManufacturerJR East, Kawasaki Heavy Industries, Tokyu Car Corporation
Built atNiitsu, Kobe, Yokohama
Replaced103 series, 111 series, 113 series, 115 series, 201 series, 205 series, 301 series
Constructed1998–2006
Entered serviceMarch 2000
Number built2,736 vehicles
Number in service2,500 vehicles
(+48 vehicles converted to E235 series)
Number preserved4 vehicles stored (SaHa E231-4600)
Number scrapped184 vehicles
Formation4/5/8/10 cars per trainset
OperatorsJR East
DepotsKawagoe, Keiyo, Kōzu, Matsudo, Mitaka, Oyama, Tokyo
Lines servedChūō-Sōbu Line, Hachiko Line, Ito Line, Joban Line, Joetsu Line, Kawagoe Line, Keiyo Line, Musashino Line, Narita Line, Ryōmō Line, Shonan-Shinjuku Line, Takasaki Line, Tokaido Main Line, Tokyo Metro Tozai Line, Utsunomiya Line, Yokosuka Line
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)[1]
Width2,950 mm (9 ft 8 in)[1]
Doors4/6 pairs per side
2 doors per side (Green cars)
Maximum speed120 km/h (75 mph)[1]
Traction systemIGBT-VVVF
Acceleration2.5 km/h/s, 3.0 km/h/s or 3.3 km/h/s
Deceleration4.0 km/h/s (4.5 km/h/s for emergency brake)
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.

Design

Trains were manufactured by Tokyu Car Corporation, Kawasaki Heavy Industries and also at JR East's factory at Niitsu in Niigata Prefecture.

The type evolved from the earlier 209 series and E217 series EMUs, with the main visible difference being wider bodies (2,950 mm compared to the 2,800 mm for earlier commuter trains), and the prototype train built in 1998 for trials on the Chūō-Sōbu Line was actually classified 209-950 series, later becoming E231-900 series. Full-production E231-0 series trains were subsequently introduced on the Chūō-Sōbu Line (10-car sets) and Joban Line (10+5-car sets). Other variants include the 11-car E231-500 series for the Yamanote Line, and the E231-800 series with 2,800 mm wide bodies and end doors for use on Tokyo Metro Tozai Line inter-running services.

From 2000 onward, the first E231-1000 series outer-suburban variant was delivered for use on Utsunomiya Line and Takasaki Line services north from Ueno Station in Tokyo. These trains included transverse seating in some cars and were also equipped with toilets. Production continued into 2006 with trains delivered for use on the Tokaido Main Line south from Tokyo. From 2004 onward, two bilevel Green cars were inserted into all E231-1000 series ten-car sets.

Variants

Former operations

  • E231-500 series: 11-car sets used on the Yamanote Line from 21 April 2002 until 12 January 2020
  • E231-900 series: Prototype 10-car set used on the Chūō-Sōbu Line, formerly known as 209-950 series.

E231-0 series

E231-0 series
A Jōban Line 10+5 car set in June 2017
Replaced103 series, 103-1000 series, 201 series, 205 series, 205-5000 series
Constructed2000–2006
Entered service13 March 2000
Refurbished2014–2020
Number built725 vehicles
Number in service601 vehicles (76 sets)
(+24 vehicles converted to E231-3000 series)
Number scrapped100 vehicles
Formation5/8/10 cars per trainset
OperatorsJR East
DepotsMatsudo, Mitaka, Keiyō
Lines servedChūō-Sōbu Line, Jōban Line, Keiyō Line, Musashino Line, Narita Line
Specifications
Car body constructionStainless steel
Width2,950 mm (9 ft 8 in)
Doors4/6 pairs per side
Electric system(s)1,500 V DC overhead catenary
Current collector(s)PS33B pantograph
Track gauge1,067 mm (3 ft 6 in)

Originally, 46 ten-car sets (Sets B1-42, B57, B80-82) were based at Mitaka Depot for use on Chūō-Sōbu Line services, replacing the earlier 103 and 201 series fleet. Sets B1 to B42 were delivered between February 2000 and November 2001. Set B57 was delivered in November 2002. Sets 80 to 82 were delivered between October and November 2006. The first sets entered service on 13 March 2000. These sets each include one "six-door" SaHa E230 car (car 5).[2]

Originally, 17 ten-car sets (101 to 117) and 19 five-car sets (121 to 139) were based at Matsudo Depot for use on Jōban Line services between Ueno and Toride, and also Narita Line services to Narita, replacing the earlier 103 series fleet. The fleet was delivered between November 2001 and February 2005, with the first trains entering service on 3 March 2002.[3]

In 2015, cars from former Mitaka Depot-based sets B20-B22 were reformed and transferred to the Jōban Line to form two more ten-car sets (118 and 119), bringing the total to 19 ten-car sets.[2]

In October 2017, cars from former Mitaka Depot-based sets B22 and B5 were reformed as an eight-car set renumbered MU2. This entered service on the Musashino Line in November 2017.[4]

As E231-500 trains from the Yamanote Line replace the E231-0 trains on the Chūō-Sōbu Line, these trains will be reformed and reallocated as Musashino Line and Hachiko/Kawagoe Line (E231-3000) trains. The six-door cars will be scrapped while six E231-0 series trains will be reformed and remain on the Chūō-Sōbu Line.[5]

The first reformed E231-0 series Chūō-Sōbu Line train (with 6 motored cars and no six-door car), numbered set B11 and composed of 8 cars of former set B11 and 2 cars of former set B5, completed refurbishment on 24 April 2018 and was entered into service on 21 May 2018.[6] The last non-reformed trains (with 4 motored cars and a six-door car), sets B80 and B82, were removed from service after 13 March 2020.[7]

Lines served

  • Chūō-Sōbu Line
  • Jōban Line (Rapid) (Toride - Ueno), Ueno-Tokyo Line, Tokaido Line (Tokyo - Shinagawa) and Narita Line (Abiko - Narita)
  • Musashino Line

Formations

10-car Chūō-Sōbu Line sets (since 2018)

As of 19 March 2020, six ten-car sets are based at Mitaka depot in Tokyo and formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars.[2]

 
← Chiba, Tsudanuma
Nakano, Mitaka →
Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc M M' T M M' T M M' Tc'
Numbering KuHa E231 MoHa E231 MoHa E230 SaHa E231 MoHa E231 MoHa E230 SaHa E231 MoHa E231 MoHa E230 KuHa E230
  • Cars 2, 5, and 8 each have one PS33B single-arm pantograph.
  • Cars 1 and 10 have a wheelchair space.
  • Car 4 is designated as a mildly air-conditioned car.

10-car Jōban Line sets

As of 1 October 2018, 19 ten-car sets are based at Matsudo depot in Chiba Prefecture and formed as shown below with four motored ("M") cars and six non-powered trailer ("T") cars.[2]

 
← Narita, Toride
Ueno, Shinagawa →
 
Car No. 10 9 8 7 6 5 4 3 2 1
Designation Tc T M M' T T T M M' Tc'
Numbering KuHa E231 SaHa E231 MoHa E231 MoHa E230 SaHa E231 SaHa E231 SaHa E231 MoHa E231 MoHa E230 KuHa E230
  • Cars 3 and 8 each have one PS33B single-arm pantograph.[2]
  • Cars 1 and 10 have a wheelchair space.[2]
  • Car 8 is designated as a mildly air-conditioned car.[2]

5-car Jōban Line sets

As of 1 October 2018, 19 five-car sets are based at Matsudo depot in Chiba Prefecture and formed as shown below with two motored ("M") cars and three non-powered trailer ("T") cars.[2]

 
← Narita, Toride
Ueno, Shinagawa →
 
Car No. 15 14 13 12 11
Designation Tc T M M' Tc'
Numbering KuHa E231 SaHa E231 MoHa E231 MoHa E230 KuHa E230
  • Car 13 has one PS33B single-arm pantograph.[2]
  • Cars 11 and 15 have a wheelchair space.[2]
  • Car 14 is designated as a mildly air-conditioned car.[2]

8-car Musashino Line sets

As of 13 March 2020, 27 eight-car sets are based at Keiyō Depot and formed as shown below with four motored ("M") cars and four non-powered trailer ("T") cars.[8]

 
← Tokyo, Kaihinmakuhari, Nishi-Funabashi
Fuchuhommachi →
 
 
Car No. 1 2 3 4 5 6 7 8
Designation Tc M M' T T M M' Tc'
Numbering KuHa E231 MoHa E231 MoHa E230 SaHa E231 SaHa E231 MoHa E231 MoHa E230 KuHa E230
  • Cars 2 and 6 each have one PS33B single-arm pantograph.[2]
  • Cars 1 and 8 have a wheelchair space.[2]
  • Car 4 is designated as a mildly air-conditioned car.[2]

Previous Formations

10-car Chūō-Sōbu Line sets (2002 to 2020)

 
← Chiba, Tsudanuma
Nakano, Mitaka →
Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc T M M' T' T T M M' Tc'
Numbering KuHa E231 SaHa E231 MoHa E231 MoHa E230 SaHa E230 SaHa E231 SaHa E231 MoHa E231 MoHa E230 KuHa E230
  • Cars 3 and 8 each had one PS33B single-arm pantograph.[2]
  • Car 5 had six pairs of doors per side.[2]
  • Cars 1 and 10 had a wheelchair space.[2]
  • Car 4 was designated as a mildly air-conditioned car.[2]
  • A Chūō-Sōbu Line 10-car E231-0 series set in May 2019
    A Chūō-Sōbu Line 10-car E231-0 series set in May 2019
  • A Jōban Line 10+5-car E231-0 series formation in July 2008
    A Jōban Line 10+5-car E231-0 series formation in July 2008
  • Musashino Line 8-car E231-0 series set MU2 in November 2017
    Musashino Line 8-car E231-0 series set MU2 in November 2017

E231-500 series

E231-500 series
File:JR East E231-500 Series Mitsu A524 20191124.jpg
Chūō-Sōbu Line 10-car E231-500 series set A524 in November 2019
Replaced205 series, 209-500 series, E231-0 series
Constructed2002–2005, 2010–2011 (SaHa E231-600, SaHa E231-4600)
Entered service21 April 2002
Refurbished2014–2020
Scrapped2010–2011 (SaHa E230-500)
Number built676 vehicles
Number in service520 vehicles (52 sets)
(+48 vehicles converted to E235 series)
Number preserved4 vehicles stored (SaHa E231-4600)
Number scrapped104 vehicles
Formation10 cars per trainset
Formerly: 11 cars per trainset
Fleet numbers501-552; A501–A552
OperatorsJR East
DepotsMitaka
Lines servedChūō-Sōbu Line
Specifications
Car body constructionStainless steel
Width2,950 mm (9 ft 8 in)
Doors4/6 pairs per side
Electric system(s)1,500 V DC overhead catenary
Current collector(s)PS33B pantograph
Track gauge1,067 mm (3 ft 6 in)

A fleet of 52 11-car E231-500 series was delivered from January 2002 to April 2005 for use on Yamanote Line services, replacing the earlier 205 series fleet. The first trains entered service on 21 April 2002. These trains include D-ATC digital automatic train control, and feature pairs of LCD passenger information screens above each door internally. These screens also show advertisements.

Each 11-car set originally contained two six-door SaHa E230 trailer cars (cars 7 and 10)[3] with six pairs of doors per side and bench seats that were folded up until 10 a.m. on weekdays to provide standing room only during the morning peak. From 22 February 2010, the seats were able to be used during the morning peak.[9] The two six-door cars in each set were subsequently replaced by a new build of four-door trailer cars between February 2010 and August 2011, to standardize door spacing ahead of the introduction of platform doors on all Yamanote Line stations by 2017.[9]

The new SaHa E231-600 cars (new car 7) incorporated some elements from the newer E233 series (most notably seats and handrails).[10] Meanwhile, the new SaHa E231-4600 cars (new car 10) were built almost fully to E233 series standards;[11] they also have an irregular door spacing corresponding to the driving cars of Keihin-Tohoku Line E233-1000 series sets, which occasionally have to share the same platforms during engineering work. This results in interior seating arranged 3-7-7-5-4, instead of the normal 3-7-7-7-3 arrangement.[12] The first batch of replacement four-door SaHa E231-600 and SaHa E231-4600 cars were delivered from JR East's Niitsu factory on 1 February 2010.[13]

A Yamanote Line 11-car set in June 2018

In October 2014, former Yamanote Line set 520 was released from overhaul as a ten-car set, numbered A520, allocated to Mitaka Depot, and finished in the yellow Chūō-Sōbu Line livery.[14] It entered revenue service on the Chūō-Sōbu Line from 1 December 2014.[15] A second set, former Yamanote Line set 540 was converted to a ten-car set for use on the Chūō-Sōbu Line in May 2016, renumbered A540.[16] From 2017 onwards, the remaining sets are being transferred to the Chūō-Sōbu Line as the E235 series continues to replace them on the Yamanote Line.[17] 48 of the 52 SaHa E231-4600 cars built from 2010 to 2011 were updated to E235 series standards (and re-numbered SaHa E235-4600), while the remaining 4 cars are stored in Tokyo General Rolling Stock Centre.[18]

Lines served

  • Chūō-Sōbu Line

Former operations

  • Yamanote Line

Formations

10-car Chūō-Sōbu Line sets

As of 3 March 2020, 52 ten-car sets are based at Mitaka depot in Tokyo and formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars.[2]

 
← Chiba, Tsudanuma
Nakano, Mitaka →
Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc M M' T M M' T M M' Tc'
Numbering KuHa E231-500 MoHa E231-500 MoHa E230-500 SaHa E231-600 MoHa E231-500 MoHa E230-500 SaHa E231-500 MoHa E231-500 MoHa E230-500 KuHa E230-500
  • Cars 2, 5, and 8 each have one PS33B single-arm pantograph.[2]
  • Cars 1 and 10 have a wheelchair space.[2]
  • Car 4 is designated as a mildly air-conditioned car.[2]

Previous Formations

11-car Yamanote Line sets (2010 to 2020)

 
← Counterclockwise (Inner)
Clockwise (Outer) →
Car No. 11 10 9 8 7 6 5 4 3 2 1
Designation Tc T M M' T M M' T M M' Tc'
Numbering KuHa E231-500 SaHa E231-4600 MoHa E231-500 MoHa E230-500 SaHa E231-600 MoHa E231-500 MoHa E230-500 SaHa E231-500 MoHa E231-500 MoHa E230-500 KuHa E230-500
  • Cars 3, 6, and 9 each had one PS33B single-arm pantograph.[2]
  • Cars 1 and 11 had a wheelchair space.[2]
  • Car 4 was designated as a mildly air-conditioned car.[2]

11-car Yamanote Line sets (2002 to 2011)

 
← Counterclockwise (Inner)
Clockwise (Outer) →
Car No. 11 10 9 8 7 6 5 4 3 2 1
Designation Tc T' M M' T' M M' T M M' Tc'
Numbering KuHa E231-500 SaHa E230-500 MoHa E231-500 MoHa E230-500 SaHa E230-500 MoHa E231-500 MoHa E230-500 SaHa E231-500 MoHa E231-500 MoHa E230-500 KuHa E230-500
  • Cars 3, 6, and 9 each had one PS33B single-arm pantograph.
  • Cars 7 and 10 had six pairs of doors per side.
  • Cars 1 and 11 had a wheelchair space.
  • Car 4 was designated as a mildly air-conditioned car.
  • SaHa E230-500 6-door car as car No. 10 in June 2010
    SaHa E230-500 6-door car as car No. 10 in June 2010
  • Replacement SaHa E231-4600 4-door car as car No. 10 in June 2010
    Replacement SaHa E231-4600 4-door car as car No. 10 in June 2010
  • Replacement SaHa E231-600 4-door car as car No. 7 in March 2010
    Replacement SaHa E231-600 4-door car as car No. 7 in March 2010

Interior

  • Interior view of SaHa E231-500 car
    Interior view of SaHa E231-500 car
  • Interior view of SaHa E230-500 car with seats folded up for the rush hour
    Interior view of SaHa E230-500 car with seats folded up for the rush hour
  • Interior view of SaHa E231-4600 car, showing E233 series derived interior, April 2010
    Interior view of SaHa E231-4600 car, showing E233 series derived interior, April 2010
  • Passenger information screen
    Passenger information screen

Special liveries

From 7 September to 4 December 2009, E231-500 series set 502 carried an all-over brown livery to mark the 100th anniversary of the naming of Yamanote Line in collaboration with the Meiji Seika confectionery company.

From 16 January to 28 December 2013, Yamanote Line E231-500 series set 545 operated in an all-over uguisu light green livery to mark the 50th anniversary of the first appearance of 103 series EMUs in this colour scheme.[19]

From 11 October 2014 to 31 March 2015, Yamanote Line E231-500 series set 514 operated in an all-over "red brick" livery to commemorate the 100th anniversary of the opening of Tokyo Station, which opened in 1914.[20]

  • Set 502 in all-over brown livery in October 2009
    Set 502 in all-over brown livery in October 2009
  • Set 545 in all-over light green livery in January 2013
    Set 545 in all-over light green livery in January 2013
  • Set 514 in "red brick" livery in October 2014
    Set 514 in "red brick" livery in October 2014

E231-800 series

E231-800 series
A Chūō-Sōbu/Tozai Line 10-car set in June 2018
Replaced103-1200 series, 301 series
Constructed2003
Entered service1 May 2003
Number built70 vehicles
Number in service70 vehicles (7 sets)
Formation10 cars per trainset
Fleet numbersK1-7
OperatorsJR East
DepotsMitaka
Lines servedChūō-Sōbu Line, Tokyo Metro Tozai Line
Specifications
Car body constructionStainless steel
Doors4 pairs per side
Electric system(s)1,500 V DC overhead catenary
Current collector(s)PS33B pantograph
Track gauge1,067 mm (3 ft 6 in)

Seven ten-car sets (K1 to K7) based at Mitaka Depot for use on Chūō-Sōbu Line and Tokyo Metro Tozai Line interrunning services. These sets were delivered between January and May 2003, entering service on 1 May 2003.[3][21]

Lines served

  • Tokyo Metro Tozai Line
  • Chūō-Sōbu Line (Mitaka - Nakano; Nishi-Funabashi - Tsudanuma)

Formations

As of 1 October 2018, seven ten-car sets (K1 to K7) are based at Mitaka depot in Tokyo and formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars.[2]

 
← Tsudanuma, Nishi-Funabashi
Nakano, Mitaka →
 
Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc M M' T M M' T M M' Tc'
Numbering KuHa E231-800 MoHa E231-800 MoHa E230-800 SaHa E231-800 MoHa E231-800 MoHa E230-800 SaHa E231-800 MoHa E231-800 MoHa E230-800 KuHa E230-800
  • Cars 2, 5, and 8 each have one PS33B single-arm pantograph.[2]
  • Cars 2 and 9 have a wheelchair space.[2]
  • Car 4 is designated as a mildly air-conditioned car.[2]

E231-900 series

E231-900 series
E231-900 series on Chūō-Sōbu Line in March 2019
In service1998–2020
Constructed1998 (as 209-950 series)
Entered serviceDecember 1998
RefurbishedJune 2000, March 2020
Number built10 vehicles
Number in service10 vehicles (1 set)
Formation10 cars per trainset
Fleet numbersB901
OperatorsJR East
DepotsMitaka
Lines servedChūō-Sōbu Line
Specifications
Car body constructionStainless steel
Width2,950 mm (9 ft 8 in)
Doors4/6 pairs per side
Electric system(s)1,500 V DC overhead catenary
Current collector(s)PS33B pantograph
Track gauge1,067 mm (3 ft 6 in)

One ten-car set (B901) was based at Mitaka Depot for use on Chūō-Sōbu Line services. This was the prototype E231 series set, built jointly by Tokyu Car and JR East's Niitsu factory, and delivered in October 1998, classified as 209-950 series. It was reclassified as E231-900 series in June 2000.[2]

On February 25, 2020, it operated its last revenue service on the Chūō-Sōbu Line. The set entered Ōmiya Rolling Stock Center on March 3, 2020[22][23] for refurbishment and transfer to the Musashino Line.[24]

Previous Formation

10-car Chūō-Sōbu Line (2000 to 2020)

One ten-car set (B901) was based at Mitaka depot in Tokyo and formed as shown below with four motored ("M") cars and six non-powered trailer ("T") cars.[2]

 
← Chiba, Tsudanuma
Nakano, Mitaka →
Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc T M M' T' T T M M' Tc'
Numbering KuHa E231-900 SaHa E231-900 MoHa E231-900 MoHa E230-900 SaHa E230-900 SaHa E231-900 SaHa E231-900 MoHa E231-900 MoHa E230-900 KuHa E230-900
  • Cars 3 and 8 each had one PS33B single-arm pantograph.[2]
  • Car 5 had six pairs of doors per side.[2]
  • Cars 1 and 10 had a wheelchair space.[2]
  • Car 4 was designated as a mildly air-conditioned car.[2]

E231-1000 series

E231-1000 series
A E231-1000 series suburban set on a Ueno-Tokyo Line service in May 2019
Replaced111 series, 113 series, 115 series
Constructed2000–2006
Entered service21 June 2000
Number built1255 vehicles
Number in service1255 vehicles (160 sets)
Formation5/10 cars per trainset
OperatorsJR East
DepotsKōzu, Oyama
Lines servedIto Line, Joetsu Line, Ryōmō Line, Shonan-Shinjuku Line, Takasaki Line, Tokaido Main Line, Utsunomiya Line, Yokosuka Line
Specifications
Car body constructionStainless steel
Width2,950 mm (9 ft 8 in)
Doors4 pairs per side
2 doors per side (Green cars)
Electric system(s)1,500 V DC overhead catenary
Current collector(s)PS33B pantograph
Track gauge1,067 mm (3 ft 6 in)

These trains are designed for longer-distance suburban services, and include toilets, transverse seating bays (in some cars only), and bilevel Green cars (10-car sets only). The Ito Line and Joetsu Line mainly use 5-car sets, while the Shonan-Shinjuku Line, Ueno-Tokyo Line, Takasaki Line, Tokaido Line, Utsunomiya Line use 10- or 10+5-car sets.

Lines served

SaRo E231-1000 bilevel Green car in a Tokaido Main Line set in April 2007

Ten- and five-car suburban sets based at Oyama and Kōzu depots for use on the following lines.

Formations

10-car K sets

As of 1 October 2018, 42 ten-car sets (K-01–K-42) are based at Kōzu depot in Kanagawa Prefecture and formed as shown below with four motored ("M") cars and six non-powered trailer ("T") cars.[2]

 
← Kuroiso, Maebashi
Atami →
 
Car No. 10 9 8 7 6 5 4 3 2 1
Designation Tc M M' T T Tsd Tsd' M M' Tc'
Numbering KuHa E231-8500 MoHa E231-3500 MoHa E230-1500 SaHa E231-1000 SaHa E231-1000 SaRo E231-1000 SaRo E230-1000 MoHa E231-1500 MoHa E230-3500 KuHa E230-8000
  • Cars 3 and 9 each have one PS33B single-arm pantograph.[2]
  • Cars 1 and 10 have a wheelchair space.[2]
  • Cars 1, 5, and 10 each have a toilet (universal design in cars 1 and 10).[2]
  • Car 8 is designated as a mildly air-conditioned car.[2]
  • Cars 4 and 5 are bilevel Green Cars.[2]

10-car U sets

As of 1 October 2018, 49 ten-car sets (U501–U541, U584–U591) are based at Oyama depot in Tochigi Prefecture and formed as shown below with four motored ("M") cars and six non-powered trailer ("T") cars.[2]

 
← Kuroiso, Maebashi
Atami →
 
Car No. 10 9 8 7 6 5 4 3 2 1
Designation Tc T M M' T Tsd Tsd' M M' Tc'
Numbering KuHa E231-6000 SaHa E231-1000 MoHa E231-1000 MoHa E230-1000 SaHa E231-6000 SaRo E231-1000 SaRo E230-1000 MoHa E231-1500 MoHa E230-3500 KuHa E230-8000
  • Cars 3 and 8 each have one PS33B single-arm pantograph.[2]
  • Cars 1 and 10 have a wheelchair space.[2]
  • Cars 1, 5, and 6[25] each have a toilet (universal design in car 1, Japanese-style in car 6).[2]
  • Car 8 is designated as a mildly air-conditioned car.[2]
  • Cars 4 and 5 are bilevel Green Cars.[2]

5-car sets

As of 1 October 2018, 34 five-car sets (S-01–S-34) are based at Kōzu depot in Kanagawa Prefecture and 35 five-car sets (U2–U118) are based at Oyama depot in Tochigi Prefecture. They are formed as shown below with two motored ("M") cars and three non-powered trailer ("T") cars.[2]

 
← Koganei, Kagohara
Atami →
 
Car No. 15 14 13 12 11
Designation Tc T M M' Tc'
Numbering KuHa E231-8000 SaHa E231-3000 MoHa E231-1000 MoHa E230-1000 KuHa E230-6000
  • Car 13 has one PS33B single-arm pantograph.[2]
  • Cars 11 and 15 have a wheelchair space.[2]
  • Car 11 has a universal design toilet.[2]

Interior

  • Interior of car with longitudinal seating
    Interior of car with longitudinal seating
  • Interior of car with transverse seating bays
    Interior of car with transverse seating bays
  • Toilet
    Toilet
  • Driver's cab end
    Driver's cab end
  • Bilevel Green Car lower deck with 2+2 seating
    Bilevel Green Car lower deck with 2+2 seating
  • Bilevel Green Car upper deck with 2+2 seating
    Bilevel Green Car upper deck with 2+2 seating

E231-3000 series

E231-3000 series
A Hachikō/Kawagoe Line four-car set in March 2018
Replaced205-3000 series, 209-3000 series
Entered service19 February 2018
Refurbished2017–2019 (converted from E231-0 series)
Number built24 vehicles
Number in service24 vehicles (6 sets)
Formation4 cars per trainset
Fleet numbers41–46
OperatorsJR East
DepotsKawagoe
Lines servedHachikō Line, Kawagoe Line
Specifications
Car body constructionStainless steel
Width2,950 mm (9 ft 8 in)
Doors4 pairs per side
Electric system(s)1,500 V DC overhead catenary
Current collector(s)PS33B pantograph
Track gauge1,067 mm (3 ft 6 in)

From 2017, former E231-0 series ten-car sets based at Mitaka Depot for use on Chūō-Sōbu Line services were reformed and converted to become four-car E231-3000 series sets based at Kawagoe for use on Kawagoe Line and Hachikō Line services.[26] The first set entered revenue service on the line on 19 February 2018.[27]

Lines served

  • Hachikō Line (Hachiōji - Komagawa)
  • Kawagoe Line (Komagawa - Kawagoe)

Formation

As of 8 October 2019, six four-car sets are based at Kawagoe depot in Saitama and formed as shown below with two motored ("M") cars and two non-powered trailer ("T") cars.[2]

 
← Kawagoe
Hachiōji →
 
Car No. 4 3 2 1
Designation Tc M M' Tc'
Numbering KuHa E231-3000 MoHa E231-3000 MoHa E230-3000 KuHa E230-3000
  • Car 3 has one PS33B single-arm pantograph.[2]
  • Cars 1 and 4 have a wheelchair space.[2]

Former set/car identities

The former identities of the E231-3000 series sets are as follows.[2]

Set No. Car numbers Former set No. Former car numbers
41 KuHa E231-3001 MoHa E231-3001 MoHa E230-3001 KuHa E230-3001 B5 KuHa E231-5 MoHa E231-10 MoHa E230-10 KuHa E230-5
42 KuHa E231-3002 MoHa E231-3002 MoHa E230-3002 KuHa E230-3002 B6 KuHa E231-6 MoHa E231-12 MoHa E230-12 KuHa E230-6
43 KuHa E231-3003 MoHa E231-3003 MoHa E230-3003 KuHa E230-3003 B7 KuHa E231-7 MoHa E231-14 MoHa E230-14 KuHa E230-7
44 KuHa E231-3004 MoHa E231-3004 MoHa E230-3004 KuHa E230-3004 B8 KuHa E231-8 MoHa E231-16 MoHa E230-16 KuHa E230-8
45 KuHa E231-3005 MoHa E231-3005 MoHa E230-3005 KuHa E230-3005 B16 KuHa E231-16 MoHa E231-32 MoHa E230-32 KuHa E230-16
46 KuHa E231-3006 MoHa E231-3006 MoHa E230-3006 KuHa E230-3006 B17 KuHa E231-17 MoHa E231-34 MoHa E230-34 KuHa E230-17

See also

References

  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.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc JR電車編成表 2019冬 [JR EMU Formations - Winter 2019]. Japan: Kotsu Shimbunsha. 14 November 2018. pp. 49, 62–63, 72, 74–77, 80–81, 96–99. ISBN 978-4-330-93218-7.
  3. ^ a b c JR電車編成表 2009夏 [JR EMU Formations - Summer 2009]. Japan: Kotsu Shimbunsha. June 2009. ISBN 978-4-330-06909-8.
  4. ^ 武蔵野線にE231系が登場 [E231 series appears on the Musashino Line]. Japan Railfan Magazine (in Japanese). Vol. 58, no. 681. Japan: Koyusha Co., Ltd. January 2018. p. 52.
  5. ^ "中央総武緩行線からの転出". Retrieved 21 July 2018.
  6. ^ "【JR東】E231系ミツB11編成営業運転開始" [JR East - E231 series set B11 entered into service]. Retrieved 14 March 2020.
  7. ^ "E231系、八ミツB80・B82編成が運用離脱" [E231 series sets B80 and B82 removed from service]. Retrieved 14 March 2020.
  8. ^ "E231系京葉車両センター編成表（最新版）". Retrieved 21 July 2018.
  9. ^ a b "山手線6扉車を順次4扉車に (Yamanote Line 6-door cars to be gradually replaced with 4-door cars)". Hobidas (in Japanese). Neko Publishing. 17 February 2010. Retrieved 17 February 2010.
  10. ^ "E231系500番台「山手線」 - 600番台（7号車）" [E231-500 series [Yamanote Line] - 600 series (car 7)]. Retrieved 25 January 2020.
  11. ^ "E231系500番台「山手線」 - 4600番台（10号車）" [E231-500 series [Yamanote Line] - 4600 series (car 10)]. Retrieved 25 January 2020.
  12. ^ "山手線電車１００周年" [100th anniversary of Yamanote Line trains]. Japan Railfan Magazine. Vol. 50, no. 586. Japan: Koyusha. February 2010. p. 57.
  13. ^ 山手線用E231系4ドア車配給輸送 [Yamanote Line E231 series 4-door cars delivered] (in Japanese). 1 February 2010. Retrieved 1 February 2010.
  14. ^ E231系500番台が中央・総武緩行線仕様となって出場 [E231-500 series outshopped in Chūō-Sōbu Line style]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 October 2014. Retrieved 30 November 2014.
  15. ^ 中央総武緩行線でE231系500番台が営業運転を開始 [E231-500 series enters revenue service on Chūō-Sōbu Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 December 2014. Retrieved 2 December 2014.
  16. ^ E231系トウ540編成が三鷹車両センターに転属 [E231 series set 540 transferred to Mitaka Depot]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 20 May 2016. Archived from the original on 11 June 2016. Retrieved 11 June 2016.
  17. ^ "「山手線・中央総武緩行線の世代交代」について". Retrieved 21 July 2018.
  18. ^ "E231系東京総合車両センター編成表（最新版）" [E231-series formations at Tokyo General Rolling Stock Depot (Latest)]. Retrieved 26 January 2020.
  19. ^ 「みどりの山手線ラッピングトレイン」を運行します ["Green Yamanote Line Train" to operate] (PDF). News release (in Japanese). Japan: East Japan Railway Company. 19 December 2012. Retrieved 19 December 2012.
  20. ^ "E231系トウ514編成に東京駅開業100周年記念のラッピング" [E231 series set 514 in Tokyo Station 100th anniversary commemorative livery]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 12 October 2014. Retrieved 13 October 2014.
  21. ^ "JR東日本　E231系800番代　5月1日に営業運転を開始" [JR East E231-800 series enters revenue service on 1 May]. Tetsudō Daiya Jōhō. 32 (231): 72. July 2003.
  22. ^ "E231系900番代ミツB901編成大宮入場" [E231-900 series set B901 entered Ōmiya Rolling Stock Center]. Retrieved 4 March 2020.
  23. ^ "【ミツB901離脱】E231系900番台が総武線から引退" [B901 withdrawn: E231-900 series removed from Chūō-Sōbu Line].
  24. ^ "ミツB901編成は武蔵野線へ" [Set B901 destined for Musashino Line]. 19 April 2020. Retrieved 23 April 2020.
  25. ^ "E231系小山車両センター編成表（最新版）" [E231 series Oyama Depot EMU formations (latest)] (in Japanese). Retrieved 17 November 2018.
  26. ^ E231系3000番台4両が配給輸送される [E231-3000 series 4-car set transferred]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 November 2017. Archived from the original on 29 November 2017. Retrieved 29 November 2017.
  27. ^ 八高線用の209系3500番台が試運転 [Hachiko Line 209-3500 series undergoes test-running]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 February 2018. Archived from the original on 21 February 2018. Retrieved 21 February 2018.

Further reading

  • 首都圏新系列車両 Profile: 209/E231/E233系グループの全貌 首都圏新系列車両PROFILE [Tokyo Area New-generation Rolling Stock Profile]. Japan: Ikaros Publishing. 15 April 2011. ISBN 978-4-86320-436-2.
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