:311 series
{{short description|Japanese train type}}
{{Use dmy dates|date=April 2016}}
{{Infobox train
| name = 311 series
| image = JR-Series311-G5_Special-Rapid.jpg
| imagesize = 300px
| caption = 311 series, January 2022
| service = 1989–Present
| manufacturer = Hitachi, Kawasaki Heavy Industries, Kinki Sharyo
| factory =
| family =
| replaced = 113 series, 115 series
| successor = 315 series{{cite web |url=https://tabiris.com/archives/315kei-schedule/ |title=JR東海315系の投入スケジュール。初年度は8両編成を7編成 |trans-title=JR Tokaido 315 series launch schedule. In the first year, there will be 7 8-car trains. |language=Japanese |date=31 January 2021 |website=tabiris.com |publisher= |access-date=16 May 2024}}
| yearconstruction = 1989–1991
| yearservice =
| refurbishment =
| yearscrapped = 2022–
| numberconstruction =
| numberbuilt = 60 vehicles
| numberservice = 52 vehicles (13 sets) (as of 19 May 2022)
| numberpreserved =
| numberscrapped =
| formation = 4 cars per trainset
| fleetnumbers = G1–G15
| capacity =
| operator = JR Central
| depots = Ōgaki
| lines = Tokaido Main Line, Taketoyo Line
| carbody = Stainless steel
| carlength = {{Plainlist|
}}
| width = {{Convert|2,966|mm|ftin|abbr=on}}
| height =
| floorheight =
| doors = 3 pairs per side
| maxspeed = {{Convert|120|km/h|mph|round=5|abbr=on}}
| weight =
| acceleration =
| deceleration =
| traction = Resistor control + field system superimposed field excitation control
| traction motors = C-MT61A
| poweroutput = 960kW (2M2T set configuration)
| transmission = Gear ratio: 16:83 (1:5.19)
| aux =
| powersupply =
| hvac =
| electricsystem = 1,500 V DC overhead
| collectionmethod = C-PS27A single-arm pantograph
| bogies =
| brakes = Regenerative brake, electronically controlled pneumatic brakes
| safety = ATS-ST, ATS-PT
| coupling = Shibata Type
| multipleworking = 211/313 series
| gauge = {{RailGauge|1067mm|lk=on}}
}}
The {{Nihongo|311 series|311系}} is a DC suburban electric multiple unit (EMU) train type operated by Central Japan Railway Company (JR Central) in Japan.{{cite book | script-title=ja: JR全車輌ハンドブック2006 |trans-title=JR Rolling Stock Handbook 2006| publisher = Neko Publishing | date = 2006 | location = Japan | isbn = 978-4-7770-0453-9}} First introduced in July 1989, a total of 15 four-car sets were built between 1989 and 1991 by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo to replace older 113 and 115 series EMUs. The design of the 311 series was developed from that of the 211 series.
Design
Built jointly by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo,{{cite journal| last = Saka| first = Masahiro| script-title=ja: JR第1世代の車両・現況と概要|trans-title= JR 1st-generation rolling stock: Current situation and overview| journal = Tetsudō Daiya Jōhō Magazine | volume = 43| issue = 359|page=23|language= ja| date = March 2014}} the design was developed from the earlier 211 series, with the first five trains introduced from July 1989 to replace older 113 and 115 series EMUs. Eight more sets were introduced from the start of the new timetable in March 1990, and a further two sets were introduced in March 1991.{{cite journal | script-title=ja: 311系・313系 製作の背景と現在までの経緯 |trans-title= 311 & 313 series: Background and developments to present day | journal = Tetsudō Daiya Jōhō | volume = 38 | issue = 304 |pages=12–25 | date = August 2009 }}
Formation
{{As of|2015|10|01}}, the fleet consists of 15 four-car sets (G1 to G15), all based at Ogaki Depot. The trainsets are formed as shown below with two motored cars and two non-powered trailer cars.{{cite book |script-title=ja: JR電車編成表 2016冬 |trans-title=JR EMU Formations - Winter 2016 |publisher = Kotsu Shimbunsha |date = 18 November 2015 |location = Japan |language = ja |page = 126|isbn = 978-4-330-62315-3}}
| class="wikitable" |
| Designation
| Mc || M' || T || Tc' |
|---|
| Numbering
| KuMoHa 311 || MoHa 311 || SaHa 311 || KuHa 310 |
The KuMoHa car is fitted with a single-arm pantograph. Between June 2006 and July 2008, all sets had their original lozenge pantographs replaced with single-arm pantographs.
Interior
File:Series311 Inside.jpg|Interior view
File:Series311 Inside Priority-Seats.jpg|Priority seating
File:Series311 Free-space.jpg|Wheelchair and stroller space
File:Series311 Inside Toilet.jpg|Toilet
File:Series311 Inside Clock.jpg|Digital clock and LED passenger information screen
File:Series311 Inside Door.jpg|Door view
Withdrawal
Withdrawals of the 311 series commenced on 18 May 2022, starting with sets G8 and G12.{{cite web |title=311系8両が西浜松へ |trans-title=Eight 311 series cars forwarded to Nishi-Hamamatsu |url=https://railf.jp/news/2022/05/19/110000.html |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |access-date=16 May 2024 |location=Japan |language=ja |date=19 May 2022}}
References
{{reflist}}
External links
{{commons category|2=311 series}}
- [http://railway.jr-central.co.jp/train/local/detail_03_02/index.html JR Central 311 series information] {{in lang|ja}}
{{JR Central EMU}}
Category:Central Japan Railway Company
Category:Electric multiple units of Japan
Category:Train-related introductions in 1989
Category:Hitachi multiple units
Category:Kawasaki multiple units