Osaka Municipal Subway New 20 series

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Osaka Municipal Subway New 20 series
Series23 igbt renew.jpg
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 4/6/10 cars per trainset
Operator Osaka Municipal Subway
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
Doors 4 pairs per side
Maximum speed 95 km/h (60 mph)(24 series)
70 km/h (45 mph)(other series)
Traction system Four 140 kW (190 hp) traction motors per motor car (Variable-frequency)
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)
Train heating 750 V DC
Current collection method Third rail
Safety system(s) WS-ATC
ATO (25 series)
Track gauge 1,435 mm (4 ft 8 12 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 1991.

Formation[edit]

21 series[edit]

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[edit]

Car No. 1 2 3 4 5 6
Designation Tec1 Mb1' T' Mb2 Ma2 Tec2
Numbering 2600 2100 2800 2300 2200 2900

25 series[edit]

Car No. 1 2 3 4
Designation Tec1 Mb1' Mb2 Tec2
Numbering 2600 2100 2300 2900

References[edit]