255 series
The 255 series (Japanese: 255系), branded Bōsō View Express (房総ビューエクスプレス), is a DC electric multiple unit (EMU) train type operated by East Japan Railway Company (JR East) in Japan. It was introduced into commercial service on 2 July 1993, and was specifically designed to be used on limited express services from Tokyo to the Bōsō Peninsula.
| 255 series Bōsō View Express | |
|---|---|
A 255 series EMU on a Shiosai service in June 2021 | |
| Manufacturer | Kinki Sharyo, Tokyu Car |
| Family name | Bōsō View Express |
| Replaced | 183 series |
| Constructed | 1993–1994 |
| Entered service | 2 July 1993 |
| Number built | 45 vehicles (5 trainsets) |
| Number in service | 45 vehicles (5 trainsets) |
| Formation | 9 cars per trainset |
| Fleet numbers | Be01 – Be05 |
| Operators | JR East |
| Depots | Makuhari |
| Lines served | Keiyo Line, Sōbu Main Line, Sotobō Line, Uchibō Line, Yokosuka Line |
| Specifications | |
| Car body construction | Steel |
| Car length | 21,000 mm (68 ft 11 in) (end cars) 20,500 mm (67 ft 3 in) (intermediate cars) |
| Width | 2,946 mm (9 ft 8.0 in) |
| Height | 3,785 mm (12 ft 5.0 in) |
| Doors | 1 sliding door per side |
| Maximum speed | 130 km/h (80 mph) |
| Traction system | Variable frequency (IGBT) |
| Power output | 95 kW x 16 = 1,520 kW |
| Electric system(s) | 1,500 V DC overhead |
| Bogies | DT56E (motored), TR241E (trailer) |
| Safety system(s) | ATS-P, ATS-SN |
| Track gauge | 1,067 mm (3 ft 6 in) |
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