Osaka Municipal Subway New 20 series
| Osaka Municipal Subway New 20 series | |
|---|---|
|
Osaka Municipal Subway 23 series in revised livery at Tamade Station, January 2013 | |
| In service | 1990– |
| 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 series) 4 cars per trainset (25 series) |
| Operator | Osaka Municipal Subway |
| Depot(s) |
Nakamozu (21 series) Dainichi (22 series) Midorigi (23 series) Morinomiya (24/25 series) |
| Line(s) served |
Midōsuji Line Tanimachi Line Yotsubashi Line Chūō Line Sennichimae Line Kitakyū Namboku Line Kintetsu Keihanna Line |
| Specifications | |
| Car body construction | Stainless steel |
| Car length |
18,900 mm (745 in) (end cars) 18,700 mm (735 in) (intermediate cars) |
| Width |
2,890 mm (115 in) (end cars) 2,880 mm (115 in) (intermediate cars) |
| Height | 3,745 mm (145 in) |
| Doors | 4 pairs of sliding doors per side |
| Maximum speed |
95 km/h (60 mph) (24 series) 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 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.
Formation
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 | 2900 | 2200 | 2300 | 2500 | 2800 | 2400 | 2700 | 2100 | 2000 | 2600 |
22/23/24 series
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Designation | Tec1 | Mb1' | T' | Mb2 | Ma2 | Tec2 |
| Numbering | 2600 | 2100 | 2800 | 2300 | 2200 | 2900 |
25 series
| Car No. | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Designation | Tec1 | Mb1' | Mb2 | Tec2 |
| Numbering | 2600 | 2100 | 2300 | 2900 |
References
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