Sets U001 and U002 on delivery in February 2018
|In service||March 2019 – Present|
|Built at||Kudamatsu, Yamaguchi|
|Entered service||16 March 2019|
|Number built||6 vehicles (2 sets)|
|Formation||3 cars per trainset|
|Doors||3 pairs per side|
|Maximum speed||120 km/h (75 mph) (design speed)|
|Traction system||Variable frequency (SiC-MOSFET)|
|Electric system(s)||20 kV AC 60 Hz|
|Current collection method||Overhead catenary|
|Track gauge||1,067 mm (3 ft 6 in)|
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.
The 821 series trains are formed as three-car sets as follows.
|Numbering||KuMoHa 821||SaHa 822||KuHa 821|
- 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.
- 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.
|Wikimedia Commons has media related to JR Kyushu 821.|
- JR Kyushu press release issued on 26 January 2018 (in Japanese)