EV-E301 series

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EV-E301 series
JR East EV-E301 Series BEMU 101.JPG
Set V1 in service in April 2014
Manufacturer J-TREC
Built at Yokohama
Family name Accum
Replaced KiHa 40 series
Constructed 2014
Entered service 15 March 2014
Number built 8 vehicles (4 sets)
Number in service 8 vehicles (4 sets)
Formation 2 cars per trainset
Fleet numbers V1–V4
Capacity 265 per set
Operator(s) JR East
Depot(s) Oyama
Line(s) served Karasuyama Line, Tohoku Main Line
Car length 20,000 mm (65 ft 7 in)
Width 2,800 mm (9 ft 2 in)
Floor height 1,130 mm (3 ft 8 in)
Doors 3 pairs per side
Maximum speed 65 km/h (40 mph) (service)
100 km/h (60 mph) (design)
Acceleration 2.0 km/h/s
Deceleration 3.6 km/h/s
Electric system(s) 1,500 V DC
Current collection method Overhead line
Bogies DT79 (motored), TR255D (trailer)
Safety system(s) ATS-P
Track gauge 1,067 mm (3 ft 6 in)

The EV-E301 series (EV-E301系) is a two-car battery electric multiple unit (BEMU) train type operated by East Japan Railway Company (JR East) on the Karasuyama Line and Tohoku Main Line since 15 March 2014.[1] The train is branded "Accum".[2]


Developed from the experimental "Smart Denchi-kun" battery railcar tested on the Karasuyama Line in 2012, the two-car EV-E301 series train operates as an electric multiple unit (EMU) under the 1,500 V DC overhead wire of the Tohoku Main Line between Utsunomiya and Hōshakuji, and on battery power over the 20.4 km (12.7 mi) non-electrified Karasuyama Line. It can also be recharged via its pantographs at a recharging facility specially built at Karasuyama Station.[2]

The two-car trainsets are equipped with 190 kWh lithium-ion storage batteries,[2] and the train has a maximum design speed of 100 km/h (60 mph), although it normally runs at up to 65 km/h (40 mph) in service.[3]


The two-car trains are formed as shown below, with car 1 at the Utsunomiya end.[2]

Car No. 1 2
Designation Mc' Mc
Type EV-E300 EV-E301
Weight (t) 37.7 40.2
Passenger capacity (seated/total) 48/133 48/133

The Mc car has two PS38 single-arm pantographs.[2]


Internally, the train uses LED lighting throughout.[2] Seating accommodation consists of longitudinal bench seating.[2] The train is not equipped with a toilet.[3]


Each car is mounted on a TR255D non-powered trailer bogie at the outer end, and a DT79 motored bogie at the inner end.[2]


The first set, V1, on delivery from J-TREC in January 2014

The first set, V1, was delivered from the Japan Transport Engineering Company (J-TREC) factory in Yokohama on 21 January 2014.[4] Test running commenced on 23 January, on the Utsunomiya Line, including running on battery power with the pantographs lowered.[5] It entered revenue service on the Karasuyama Line from the start of the revised timetable on 15 March 2014.[1]

In May 2015, the EV-E301 series was awarded the 2015 Laurel Prize, presented annually by the Japan Railfan Club.[6] A presentation ceremony was held at Karasuyama Station on 26 September 2015.[7]

A further three two-car EV-E301 series trainsets were delivered to Utsunomiya from the J-TREC factory in Yokohama in February 2017.[8] These entered service from the start of the revised timetable on 4 March 2017, replacing the remaining diesel multiple unit trains operating on the Karasuyama Line.[9]

See also[edit]


  1. ^ a b "烏山線でEV-E301系が営業運転を開始" [EV-E301 series enters revenue service on Karasuyama Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 16 March 2014. Retrieved 17 March 2014. 
  2. ^ a b c d e f g h "EV-E301系蓄電池駆動電車" [EV-E301 series battery EMU]. Japan Railfan Magazine. Vol. 54 no. 638. Japan: Koyusha Co., Ltd. June 2014. pp. 54–59. 
  3. ^ a b "烏山線用EV-E301系" [Karasuyama Line EV-E301 series]. Japan Railfan Magazine. Vol. 54 no. 636. Japan: Koyusha Co., Ltd. April 2014. pp. 62–64. 
  4. ^ "EV-E301系「ACCUM」が甲種輸送される" [EV-E301 series "Accum" delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 January 2014. Retrieved 22 January 2014. 
  5. ^ "EV-E301系「ACCUM」が宇都宮線で試運転" [EV-E301 series "Accum" test-run on the Utsunomiya Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 24 January 2014. Retrieved 24 January 2014. 
  6. ^ ブルーリボン賞・ローレル賞 選定車両一覧 [Blue Ribbon Award & Laurel Prize Winner List] (in Japanese). Japan: Japan Railfan Club. 21 May 2015. Archived from the original on 23 January 2016. Retrieved 19 December 2016. 
  7. ^ EV-E301系 ローレル賞を受賞 [EV-E301 series receives Laurel Prize]. RM News (in Japanese). Japan: Neko Publishing. 1 October 2015. Retrieved 1 October 2015. 
  8. ^ EV-E301系が甲種輸送される [EV-E301 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 February 2017. Archived from the original on 22 February 2017. Retrieved 22 February 2017. 
  9. ^ JR烏山線のディーゼル車「キハ40形」 「たらこ色」の車両ラストラン [Last run on JR Karasuyama Line for red KiHa 40 diesel cars]. Sankei News (in Japanese). Japan: The Sankei Shimbun & Sankeu Digital. 4 March 2017. Archived from the original on 4 March 2017. Retrieved 4 March 2017.