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| Korail Class 321000 | |
|---|---|
 Class 321000 train 321-16 arriving at Digital Media City Station | |
| In service | 2008-present |
| Manufacturer |
|
| Constructed |
|
| Refurbished | 2010-2011 |
| Formation | 8 cars per train TC-M-M'-T-T-M-M'-TC |
| Operators | Korail |
| Depots | Yongmun |
| Lines served | Gyeongui-Jungang Line |
| Specifications | |
| Car body construction | Steel |
| Doors | 4 per side, 8 per car |
| Maximum speed | 110 km/h (68 mph) |
| Traction system | Toshiba COVO52-A0 VVVF-IGBT propulsion system using IGBT 1C4M motors |
| Power output | 4,400 kW (5,900 hp) |
| Acceleration | 3.0 km/(h⋅s) (1.9 mph/s) |
| Deceleration | 3.5 km/(h⋅s) (2.2 mph/s) (service) 4.5 km/(h⋅s) (2.8 mph/s) (emergency) |
| Electric system(s) | 25 kV 60 Hz AC/1.5 kV DC overhead catenary |
| Current collector(s) | Pantograph |
| Braking system(s) | Regenerative |
| Safety system(s) | ATS |
| Coupling system | Shibata-type |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
The Korail Class 321000 trains, created from an assortment of Class 5000, Class 6000, and new cars, are commuter electric multiple units in South Korea used on the Gyeongui-Jungang Line. Class 321000 trains were manufactured and delivered between 2006–2009 to provide service on what was known as the Jungang Line at the time, and to address progressing extensions starting from the extension to Paldang Station.