E235 series

E235 series
An E235-0 series train on the Yamanote Line in May 2021
ManufacturerJ-TREC
Built at
Family namesustina [ja]
Replaced
Constructed2015–present
Entered service30 November 2015 (2015-11-30)
Number under construction513 vehicles
Number built782 vehicles (as of 13 May 2022 (2022-05-13))
Number in service778 vehicles (79 sets)
Formation11/4 cars per trainset
OperatorsJR East
Lines served
Specifications
Car body constructionStainless steel
Car length
  • 20 m (65 ft 7 in) (including couplers)
  • 19.57 m (64 ft 2 in) (end cars)
  • 19.5 m (64 ft 0 in) (intermediate cars)
Width2.95 m (9 ft 8 in)
Height3.62 m (11 ft 11 in)
Floor height1.13 m (3 ft 8 in)
Doors
  • 4 pairs per side
  • 2 doors per side (Green cars)
Maximum speed120 km/h (75 mph)
Traction systemPWM 2-level SiCVVVF (Mitsubishi[a])
Traction motorsMT79 totally enclosed fan cooled 3-phase AC induction motor
Transmission7.07:1 (99:14) gear ratio
Acceleration3.0 km/(h⋅s) (1.9 mph/s)
Deceleration4.2 km/(h⋅s) (2.6 mph/s)
Electric system(s)1,500 V DC overhead catenary
Current collector(s)Pantograph
BogiesDT80, TR255, TR264
Safety system(s)ATS-P, D-ATC
Track gauge1,067 mm (3 ft 6 in)

The E235 series (E235系, E235-kei) is a DC electric multiple unit (EMU) commuter and suburban train type operated by East Japan Railway Company (JR East). The commuter variant was introduced on Yamanote Line services in November 2015, and the suburban variant entered service on the Sōbu Rapid and Yokosuka Lines on 21 December 2020.
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