Osaka Municipal Subway 70 series

The Osaka Municipal Subway 70 series (大阪市交通局70系) is a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway on the Nagahori Tsurumi-ryokuchi Line in Japan.

Osaka Municipal Subway 70 series
Osaka Municipal Subway 70 series in revised livery at Kadoma-minami Station, March 2012
In service1990–present
ManufacturerKawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Alna Kōki
Constructed1990–1997
Entered service20 March 1990
Refurbished2011–
Number built100 cars (25 sets)
Number in service100 cars
Formation4 cars per trainset
Capacity380
Operator(s)Osaka Municipal Subway (1990-2018)
Osaka Metro(2018-)
Depot(s)Tsurumi
Line(s) servedNagahori Tsurumi-ryokuchi Line
Specifications
Car body constructionAluminium
Train length62,800 mm (206.0 ft)
Car length15,800 mm (51.8 ft) (end cars)
15,600 mm (51.2 ft) (intermediate cars)
Height2,150 mm (7.05 ft)
Doors3 pairs of sliding doors per side
Maximum speed70 km/h (43 mph)
Weight102 tonnes
Traction systemVariable-frequency
Traction motorsLinear motors
Power output800 kW (1,073 hp)
Acceleration2.5 km/h/s
Deceleration3.5 km/h/s (service)
4.5 km/h/s (emergency)
Electric system(s)1,500 V DC
Current collector(s)Pantograph
Braking system(s)Electric commanding
Safety system(s)CS-ATC, ATO
Track gauge1,435 mm (4 ft 8+1⁄2 in)

The 70 series was among the earliest trains in Japan to use linear motors, and is capable of driverless operation.

Refurbishment

The 1st batch of 70 series trains (sets 01-13) is scheduled to undergo major refurbishment, with set 13 the first refurbished set to re-enter service on March 4, 2011. The refurbishment will include the fitting of new linear motor traction systems, a new 3-colour LED display system above passenger doors, new LCD passenger information monitors, lower hand grips, a yellow line printed on passenger doors and new train car number indicators on the exterior similar to those seen on the 30000 series and the refurbished 25 series trains.

See also
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