Osaka Municipal Subway New 20 series
| Osaka Municipal Subway New 20 series | |
|---|---|
A line-up of the five different 20 series variants at Midorigi Depot in November 2016
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| In service | 1990–present |
| Manufacturer | Alna Kōki, Hitachi, Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Tokyu Car Corporation |
| Replaced | 30 series |
| Constructed | 1990–1998 |
| Refurbishment | 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) |
| Operator(s) | Osaka Municipal Subway |
| Depot(s) | Nakamozu (21 series) Dainichi (22 series) Midorigi (23 series) Morinomiya (24/25/OTS series) |
| Line(s) served | |
| Specifications | |
| Car body construction | Stainless steel |
| Train length | 187,400 mm (614.8 ft) (21 series) 112,600 mm (369.4 ft) (22/23/24/OTS series) 75,200 mm (246.7 ft) (25 series) |
| Car length | 18,900 mm (62 ft 0 in) (end cars) 18,700 mm (61 ft 4 in) (intermediate cars) |
| Width | 2,890 mm (9 ft 6 in) (end cars) 2,880 mm (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 (60 mph) (24 series; Kintetsu Keihanna Line) 70 km/h (45 mph) (other series) |
| Traction system | Variable-frequency |
| Traction motors | Four 140 kW (190 hp) traction motors per motor car |
| Power output | 560 kW (750 hp) per motor car |
| Acceleration | 3.0 km/h/s (21/24 series) 2.5 km/h/s (other series) |
| Deceleration | 3.5 km/h/s (4.5 km/h/s emergency) |
| Electric system(s) | 750 V DC |
| Current collection method | 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) |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) |
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.
A 21 series set in February 2006
A 22 series set in April 2006
A refurbished 23 series set in August 2012
A 24 series set in May 2009
A 25 series set in July 2011
Trains are formed as follows.
Car 6 is designated as a women-only car.
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Wikipedia