821 series

The 821 series (821系) is an AC electric multiple unit (EMU) train type on order by Kyushu Railway Company (JR Kyushu) in Japan. Two three-car trains were delivered in February 2018 for testing in preparation for full production and entry into revenue service.[2] Revenue service commenced in March 2019. There are currently 7 three-car trains in service.

821 series
Set U002 in June 2019
In serviceMarch 2019 – Present
ManufacturerHitachi
Built atKudamatsu, Yamaguchi
Constructed2018–
Entered service16 March 2019
Number built21 vehicles (7 sets)
Formation3 cars per trainset
Fleet numbersU001-
Operator(s)JR Kyushu
Line(s) servedKagoshima Main Line
Specifications
Doors3 pairs per side
Maximum speed120 km/h (75 mph) (design speed)
Traction systemVariable frequency (SiC-MOSFET)
Electric system(s)20 kV AC 60 Hz
Current collector(s)Overhead catenary
Multiple working811 series[1]
Track gauge1,067 mm (3 ft 6 in)

Formation

The 821 series trains are formed as three-car sets as follows.[3]

Designation McTTc
Numbering KuMoHa 821SaHa 822KuHa 821
  • The pantograph end of driving car KuMoHa 821-2
    The pantograph end of driving car KuMoHa 821-2

History
Sets U001 and U002 on delivery in February 2018

Details of the trains on order were officially announced by JR Kyushu in January 2018.[2] Two three-car trains were delivered in February 2018 from the Hitachi factory in Kudamatsu, Yamaguchi.[3]

The trains first entered revenue service on 16 March 2019 on the Kagoshima Main Line.[1]

References
  1. 821系が営業運転を開始 [821 series begins commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 March 2019. Archived from the original on 21 November 2021. Retrieved 18 January 2023.
  2. JR九州、次世代近郊型交流電車「821系」導入へ [JR Kyushu to introduce new-generation 821 series AC suburban trains]. tetsudo-shimbun.com (in Japanese). Japan: Tetsudo Shimbunsha. 26 January 2018. Archived from the original on 26 January 2018. Retrieved 26 January 2018.
  3. 821系が甲種輸送される [821 series delivered]. 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.
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