311 series

311 series
311 series
	311 series, April 2006
In service	1989–Present
Manufacturer	Hitachi, Kawasaki Heavy Industries, Kinki Sharyo
Replaced	113 series, 115 series
Constructed	1989–1991
Number built	60 vehicles
Number in service	60 vehicles (15 sets)
Formation	4 cars per trainset
Fleet numbers	G1–G15
Operator(s)	JR Central
Depot(s)	Ōgaki
Line(s) served	Tokaido Main Line, Taketoyo Line
Specifications
Car body construction	Stainless steel
Car length	20,100 mm (65 ft 11 in) (end cars); 20,000 mm (65 ft 7 in) (intermediate cars)[1];
Width	2,966 mm (9 ft 8.8 in)
Doors	3 pairs per side
Maximum speed	120 km/h (75 mph)[1]
Traction system	Resistor control + field system superimposed field excitation control
Electric system(s)	1,500 V DC overhead
Current collection method	C-PS27A single-arm pantograph
Braking system(s)	Regenerative brake, electronically controlled pneumatic brakes
Safety system(s)	ATS-ST, ATS-PT
Coupling system	Shibata Type
Multiple working	211/313 series
Track gauge	1,067 mm (3 ft 6 in)

The 311 series (311系) is a DC suburban electric multiple unit (EMU) train type operated by Central Japan Railway Company (JR Central) in Japan.[1]

Design

Built jointly by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo,[2] 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.[3]

Formation

As of 1 October 2015, 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.[4]

Designation	Mc	M'	T	Tc'
Numbering	KuMoHa 311	MoHa 311	SaHa 311	KuHa 310

The KuMoHa car is fitted with a single-arm pantograph.[4] Between June 2006 and July 2008, all sets had their original lozenge pantographs replaced with single-arm pantographs.[4]

Interior

Interior view

References

JR全車輌ハンドブック2006 [JR Rolling Stock Handbook 2006]. Japan: Neko Publishing. 2006. ISBN 978-4-7770-0453-9.
Saka, Masahiro (March 2014). JR第1世代の車両・現況と概要 [JR 1st-generation rolling stock: Current situation and overview]. Tetsudō Daiya Jōhō Magazine (in Japanese). 43 (359): 23.
311系・313系　製作の背景と現在までの経緯 [311 & 313 series: Background and developments to present day]. Tetsudō Daiya Jōhō. 38 (304): 12–25. August 2009.
JR電車編成表 2016冬 [JR EMU Formations - Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. p. 126. ISBN 978-4-330-62315-3.

External links

JR Central 311 series information (in Japanese)

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[neko2006-1] JR全車輌ハンドブック2006 [JR Rolling Stock Handbook 2006]. Japan: Neko Publishing. 2006. ISBN 978-4-7770-0453-9.

[dj359-2] Saka, Masahiro (March 2014). JR第1世代の車両・現況と概要 [JR 1st-generation rolling stock: Current situation and overview]. Tetsudō Daiya Jōhō Magazine (in Japanese). 43 (359): 23.

[dj304-3] 311系・313系　製作の背景と現在までの経緯 [311 & 313 series: Background and developments to present day]. Tetsudō Daiya Jōhō. 38 (304): 12–25. August 2009.

[jrr2016_winter-4] JR電車編成表 2016冬 [JR EMU Formations - Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. p. 126. ISBN 978-4-330-62315-3.