821 series

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-
Operators JR Kyushu
Lines 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 60 Hz AC (overhead catenary)
Current collector(s)Pantograph
Multiple working811 series
Track gauge1,067 mm (3 ft 6 in)

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