Taipei Metro C321

Taipei Metro C321
A Taipei Metro C321 train on the Bannan line in 2005
Interior design of a C321 train
In service1999−present
ManufacturerSiemens, SGP Verkehrstechnik, Union Carriage & Wagon, China Steel (assembly of 18 sets)
Built atGermany
Family nameModular Metro
Constructed19981999
Refurbished2023present
Number built216 vehicles (36 sets)
Formation6-car sets
DM1–T–M2+M2–T–DM1
Fleet numbers
  • 101/102−115/116
  • 175/176
  • 119/120−171/172
Capacity1,914 passengers
OperatorsTaipei Rapid Transit Corporation
DepotsTucheng, Nangang
Lines served Bannan line
Specifications
Car body constructionStainless steel
Train length141 m (462 ft 7 in)
Car length23.5 m (77 ft 1 in)
Width3.18 m (10 ft 5 in)
Height3,585 mm (11 ft 9.1 in)
Wheel diameter850–775 mm (33.5–30.5 in) (new–worn)
Wheelbase2.3 m (7 ft 7 in)
Maximum speed
  • 90 km/h (56 mph) (design)
  • 80 km/h (50 mph) (service)
Weight
  • 39.5 t (38.9 long tons; 43.5 short tons) (DM1/M2)
  • 34 t (33 long tons; 37 short tons) (T)
Traction system
  • Siemens 2-level GTOVVVF (as built)
  • ABB BORDLINE IGBT–VVVF (after refurbishment)
Traction motors4 × 230 kW (310 hp) 3-phase AC induction motor
Power output3.68 MW (4,930 hp)
Acceleration1 m/s2 (2.2 mph/s)
Deceleration
  • 1 m/s2 (2.2 mph/s) (service)
  • 1.3 m/s2 (2.9 mph/s) (emergency)
Electric system(s)750 V DC third rail
Current collector(s)Contact shoe
UIC classificationBo′Bo′+2′2′+Bo′Bo′+Bo′Bo′+2′2′+Bo′Bo′
BogiesSF 2000
Braking system(s)Regenerative and disc brakes
Safety system(s)ATC/ATO, ATS
Coupling systemTomlinson
Track gauge1,435 mm (4 ft 8+12 in) standard gauge

The Taipei Metro C321 is the second generation of heavy-capacity rolling stock used on the Taipei Metro in Taipei, Taiwan. Built by Siemens Mobility in Germany, it was introduced on the Bannan line in 1999.