Nankai 12000 series

Nankai/Semboku 12000 series
A Nankai 12000 series set on a Southern service in December 2024
Stock typeElectric multiple unit
In service1 September 2011 – present
Manufacturers
Built atYokohama
ReplacedNankai 10000 series
Constructed2011, 2016
Number built12 vehicles (3 sets)
Number in service12 vehicles (3 sets)
Formation4 cars per trainset
Fleet numbers12001–12002, 12021
Capacity242
Operators
DepotSuminoe
Lines served
Specifications
Car body constructionStainless steel
Car length
  • 20,765 mm (68 ft 2 in) (end cars)
  • 20,665 mm (67 ft 10 in) (intermediate cars)
Width2,820 mm (9 ft 3 in)
Height4,140 mm (13 ft 7 in)
Floor height1,150 mm (3 ft 9 in)
Maximum speed120 km/h (75 mph)
Traction systemVariable-frequency
Traction motors
  • Three-phase AC (4 per motor car)
    • MB-5091-A2 (Nankai)
    • MB-5091-A3 (Semboku)
Power output1,440 kW per 4-car set
Acceleration2.5 km/h/s
Deceleration
  • 3.7 km/h/s (service)
  • 4.0 km/h/s (emergency)
Electric systems1,500 V DC (overhead wire)
Current collectionPantograph
Bogies
  • SS177M (motored)
  • SS177T (trailer)
Multiple working
Track gauge1,067 mm (3 ft 6 in)

The Nankai 12000 series (南海12000系, Nankai 12000-kei) is an electric multiple unit (EMU) train type operated by the private railway operator Nankai Electric Railway in Japan on Southern Premium limited express services between Namba and Wakayamashi since September 2011. Two 4-car trainsets were delivered, replacing the older 10000 series sets.

The Semboku 12000 series (泉北12000系, Senboku 12000-kei) is a very similar train type, introduced by the private railway operator Semboku Rapid Railway, a former Nankai subsidiary, for use on Semboku Liner limited express services in Osaka Prefecture. One 4-car trainset was delivered in 2016 and entered revenue service on 27 January 2017.