Osaka Municipal Subway New 20 series
Japanese train type / From Wikipedia, the free encyclopedia
For the subway train series operating for the Kyoto Municipal Subway, see Kyoto Municipal Subway 20 series.
The Osaka Municipal Subway New 20 series (大阪市交通局新20系) is a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway in Japan since 1990.
This article relies largely or entirely on a single source. (June 2018) |
Quick Facts In service, Manufacturer ...
Osaka Municipal Subway New 20 series | |
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In service | 1990–present |
Manufacturer | Alna Kōki, Hitachi Rail Japan, Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Tokyu Car Corporation |
Replaced | 30 series |
Constructed | 1990–1998 |
Entered service | 25 April 1990 |
Refurbished | 2011– |
Number built | 572 vehicles |
Number in service | 572 vehicles |
Formation | 10 cars per trainset (21 series) 6 cars per trainset (22/23/24/OTS series) 4 cars per trainset (25 series) |
Operators | Osaka Municipal Transportation Bureau (1990–2018) Osaka Metro (2018–present) |
Depots | Nakamozu (21 series) Dainichi (22 series) Midorigi (23 series) Morinomiya (24/25/OTS series) |
Lines served | |
Specifications | |
Car body construction | Stainless steel |
Train length | 187.4 m (614 ft 10 in) (21 series) 112.6 m (369 ft 5 in) (22/23/24/OTS series) 75.2 m (246 ft 9 in) (25 series) |
Car length | 18.9 m (62 ft 0 in) (end cars) 18.7 m (61 ft 4 in) (intermediate cars) |
Width | 2.89 m (9 ft 6 in) (end cars) 2.88 m (9 ft 5 in) (intermediate cars) |
Height | 3,745 mm (12 ft 3 in) |
Doors | 4 pairs of sliding doors per side |
Maximum speed | 95 km/h (59 mph) (24 series; Kintetsu Keihanna Line) 70 km/h (43.5 mph) (other series) |
Traction system | Variable-frequency |
Traction motors | Four 140 kW (188 hp) traction motors per motor car |
Power output | 560 kW (751 hp) per motor car |
Acceleration | 3 km/(h⋅s) (1.9 mph/s) (21/24 series) 2.5 km/(h⋅s) (1.6 mph/s) (other series) |
Deceleration | 3.5 km/(h⋅s) (2.2 mph/s) 4.5 km/(h⋅s) (2.8 mph/s) (emergency) |
Electric system(s) | 750 V DC |
Current collector(s) | Third rail contact shoes |
Braking system(s) | Electric commanding brake with regenerative brake |
Safety system(s) | WS-ATC (21/22/23/24/OTS series) WS-ATC, CS-ATC, ATO (25 series) TASC (21 series) |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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