225 series

The 225 series (225系, 225-kei) is a DC electric multiple unit (EMU) train type operated by West Japan Railway Company (JR-West) on suburban services in the "Keihanshin" Kyoto-Osaka-Kobe area since December 2010.[5]

225 series
The first 225-0 series unit delivered, January 2019
ManufacturerKawasaki Heavy Industries, Kinki Sharyo
Replaced103 series, 113 series, 117 series, 205 series, 221 series
Constructed2010– 2012, 2016 - 2017, 2020 -
Entered serviceDecember 2010
Refurbished2012
Number under construction144 vehicles on order[1]
Number built372 vehicles (as of 2017)
Number in service372 vehicles
Formation8/6/4 cars per trainset
Operator(s)JR-West
Depot(s)Aboshi, Hineno, Miyahara
Line(s) servedTokaido Main Line, Sanyo Main Line, Kosei Line, Hokuriku Main Line, Akō Line, Osaka Loop Line, Hanwa Line, Kansai Airport Line, Kisei Main Line, Fukuchiyama Line
Specifications
Car body constructionStainless steel[2]
Car length19,570 mm (64 ft 2 in) (end cars)
19,500 mm (64 ft 0 in) (intermediate cars)
Width2,950 mm (9 ft 8 in)
Floor height1,120 mm (3 ft 8 in)
Doors3 pairs per side
Maximum speed130 km/h (81 mph) (225-0 series)
120 km/h (75 mph) (225-5000/6000 series)[3]
Traction systemVariable frequency (2-level IGBT)
Acceleration2.5 km/h/s (1.55 mph/s)[4]
DecelerationNormal: 4.6 km/h/s (2.86 mph/s)[4]
Emergency: 5.2 km/h/s (3.2 mph/s)[4]
Electric system(s)1,500 V DC Overhead
Current collection methodWPS28C single-arm pantograph
BogiesWDT63 (powered), WTR246B/WTR246C (trailer)(225-0/6000 series)
WDT63A (powered), WTR246D/WTR246E (trailer)(225-5000 series)
Braking system(s)Regenerative brake, electronically controlled pneumatic brakes, snow-resistant brake, parking brake
Safety system(s)ATS-SW2, ATS-P3
Dead man's switch (225-5100 series)
Multiple working221/223 series
Track gauge1,067 mm (3 ft 6 in)

Design

226 vehicles were ordered, at a cost of approximately 30 billion yen.[6] The trains incorporate increased front-end crash protection with the inclusion of crushable zones.[7]

Variants
  • 225-0 series
  • 225-100 series
  • 225-5000 series
  • 225-5100 series
  • 225-6000 series

The total order of 226 vehicles consists of 110 225-0 series vehicles with a maximum speed of 130 km/h for use on Tokaido Main Line and Sanyo Main Line Special Rapid services and 116 225-5000 series vehicles with a maximum speed of 120 km/h for use on the Hanwa Line.[3] Livery for each is identical to that of the 223 series vehicles on each of these routes.

The first 225-100 series second-batch sets were delivered in early 2016, formed as four- and eight-car units.[8] These were followed by 225-5100 series second-batch sets, also delivered in early 2016, formed as four- and six-car sets.[9]

Operations

225-0/100 series

225-5000/5100 series (4 cars)

225-5100 series (6 cars)

225-6000 series

Formations

8-car sets
Car No.12345678
Designation M'cM3M'M'M5M'M'Mc
Numbering KuMoHa 224MoHa 225-300MoHa 224MoHa 224MoHa 225-500MoHa 224MoHa 224KuMoHa 225
Capacity 126144144144144144144133
Weight 41.8 t39.5 t38.6 t38.6 t39.0 t38.6 t38.6 t41.6 t

6-car sets
Car No.123456
Designation M'cM'MM'M'Mc
Numbering KuMoHa 224MoHa 224MoHa 225MoHa 224MoHa 224KuMoHa 225

4-car sets
Car No.1234
Designation M'cMM'Mc
Numbering KuMoHa 224MoHa 225MoHa 224KuMoHa 225

Sources: [10][11]

225-100 series

The 225-100 series sets are formed as eight-car and four-car sets, as follows.[8]

8-car sets
Car No.12345678
Numbering KuMoHa 224-1xxMoHa 225-4xxMoHa 224-1xxMoHa 224-1xxMoHa 225-6xxMoHa 224-1xxMoHa 224-1xxKuMoHa 225-1xx

4-car sets
Car No.1234
Numbering KuMoHa 224-1xxMoHa 225-1xxMoHa 224-1xxKuMoHa 225-1xx

225-5000 series

The 225-5000 series sets are formed as follows.[12]

Car No.1234
Designation M'cMM'Mc
Numbering KuMoHa 224-5000MoHa 225-5000MoHa 224-5000KuMoHa 225-5000

225-5100 series
A six-car 225-5100 series set in July 2017

The 225-5100 series sets are formed as six-car and four-car sets, as follows.[9]

6-car sets
Designation M'cM'MM'M'Mc
Numbering KuMoHa 224-51xxMoHa 224-51xxMoHa 225-51xxMoHa 224-51xxMoHa 224-51xxKuMoHa 225-51xx

4-car sets
Designation M'cMM'Mc
Numbering KuMoHa 224-51xxMoHa 225-51xxMoHa 224-51xxKuMoHa 225-51xx

225-6000 series
225-6000 series 6-car sets on Tanbaji Rapid Service in July 2019

6-car sets
Car No.123456
Designation M'cM'MM'M'Mc
Numbering KuMoHa 224-6000MoHa 224-6000MoHa 225-6000MoHa 224-6000MoHa 224-6000KuMoHa 225-6000

4-car sets
Car No.1234
Designation M'cMM'Mc
Numbering KuMoHa 224-6000MoHa 225-6000MoHa 224-6000KuMoHa 225-6000

Source: [13][14]

Interior
  • General interior view, January 2011
  • 2-abreast flip-over seats, December 2010
  • LCD passenger information display
  • Wheelchair-accessible toilet, December 2010
  • An emergency ladder stowage box inside a 225-5100 series set

History

The first 225-0 series 8-car train was delivered from Kinki Sharyo on 18 May 2010.[15] The first pair of 225-5000 series 4-car trains was delivered from Kinki Sharyo on 7 September 2010.[12]

Both the 225-0 and 225-5000 series entered revenue service from 1 December 2010.[16]

References
  1. 在来線車両の新製投入・車内の情報提供の充実. JR-West news release (in Japanese). West Japan Railway Company. 19 February 2020.
  2. "衝撃を吸収する新型車両完成　脱線事故を教訓に　ＪＲ西 (JR-West Unveils New Trains with Crash Impact Absorption)". Asahi Shimbun (in Japanese). The Asahi Shimbun Company. 17 May 2010. Archived from the original on 25 May 2010. Retrieved 19 May 2010.
  3. ＪＲ西日本225系が完成。 [JR-West 225 series completed]. rail.hobidas.com (in Japanese). Neko Publishing. 19 May 2010. Archived from the original on 24 May 2010. Retrieved 21 May 2010.
  4. 西日本旅客鉄道株式会社225系車両制御装置 [Electric Equipment of Series 225 Train For West Japan Railway co.] (PDF). Toyo Electric Technical Information No. 123 (in Japanese). March 2011. p. 39. Retrieved 27 January 2019.
  5. 新型近郊電車225系の展示会の開催について [Details of new 225 series EMU display)]. westjr.co.jp (in Japanese). JR-West. 15 September 2010. Archived from the original on 19 September 2010. Retrieved 16 September 2010.
  6. "JR-West rolls out carriages boasting safety 'crush zone'". The Japan Times. Japan. 18 May 2010. Retrieved 19 May 2010.
  7. "JR西日本　京阪神エリアに225系直流電車を投入" [JR-West to introduce 225 series DC EMUs in Keihanshin area]. rail.hobidas.com (in Japanese). Neko Publishing. 16 September 2009. Retrieved 16 September 2009.
  8. 225系増備車 [225 series additional-build sets]. Japan Railfan Magazine (in Japanese). Vol. 56 no. 661. Japan: Koyusha Co., Ltd. May 2016. p. 74-75.
  9. 225系増備車 [225 series additional-build sets]. Japan Railfan Magazine (in Japanese). Vol. 56 no. 662. Japan: Koyusha Co., Ltd. June 2016. p. 78-79.
  10. ＪＲ西日本　２２５系近郊型直流電車 [JR-West 225 series DC suburban EMU]. Tetsudō Daiya Jōhō Magazine. 39 (315): 70–71. July 2010.
  11. ２２５系近郊形直流電車 [JR-West 225 series DC suburban EMU]. Japan Railfan Magazine. 50 (592): 60–66. August 2010.
  12. 225系5000番台が近畿車輛から出場 [225-5000 series delivered from Kinki Sharyo]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 7 September 2010. Archived from the original on 11 September 2010. Retrieved 9 September 2010.
  13. 225系6000番台が福知山へ [225-6000 series transferred to Fukuchiyama]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 2 March 2012. Retrieved 2 March 2012.
  14. "225系Y2編成が6000番台に" [225 series Y2 set to the level of No. 6000]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 13 March 2012. Retrieved 13 March 2012.
  15. 225系が近畿車輛から出場 [225 series delivered from Kinki Sharyo]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 18 May 2010. Archived from the original on 23 May 2010. Retrieved 18 May 2010.
  16. "225系が営業運転を開始" [225 series enter revenue service]. Japan Railfan Magazine Online. Koyusha Co., Ltd. 2 December 2010. Retrieved 2 December 2010.
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