Osaka Municipal Subway New 20 series
| Osaka Municipal Subway New 20 series | |
|---|---|
| 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.
Variants
- 21 series: 10-car sets used on the Midōsuji Line and the Kita-Osaka Kyuko Railway Namboku Line
- 22 series: 6-car sets used on the Tanimachi Line
- 23 series: 6-car sets used on the Yotsubashi Line
- 24 series: 6-car sets used on the Chūō Line and the Kintetsu Keihanna Line
- 25 series: 4-car sets used on the Sennichimae Line
- OTS series (OTS系): 6-car sets introduced in 1997 on the opening of the Cosmosquare to Osakakō segment of the Chūō Line and owned by Osaka Port Transport System (OTS), transferred to Tanimachi Line in 2006 and rechristened as 22-50 series
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
Formation
Trains are formed as follows.[1]
21 series
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Designation | Tec2 | Ma2 | Mb2 | T | T' | Ma1' | Tbp | Mb1 | Ma1 | Tec1 |
| Numbering | 219xx | 212xx | 213xx | 215xx | 218xx | 214xx | 217xx | 211xx | 210xx | 216xx |
Car 6 is designated as a women-only car (Weekday only).
22/23/24/OTS series
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Designation | Tec1 | Mb1' | T' | Mb2 | Ma2 | Tec2 |
| Numbering | 2600 | 2100 | 2800 | 2300 | 2200 | 2900 |
22 series car 3 is designated as a women-only car (Rush hour only).
25 series
| Car No. | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Designation | Tec1 | Mb1' | Mb2 | Tec2 |
| Numbering | 256xx | 251xx | 253xx | 259xx |
References
Osaka Metro trainsets | ||
|---|---|---|
| Midōsuji Line |
|  |
| Tanimachi Line | ||
| Yotsubashi Line | ||
| Chūō Line |
| |
| Sennichimae Line | ||
| Sakaisuji Line |
| |
| Nagahori Tsurumi-ryokuchi Line | ||
| Imazatosuji Line |
| |
| Withdrawn |
| |
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