311 series
The 311 series (311系) is a DC suburban electric multiple unit (EMU) train type operated by Central Japan Railway Company (JR Central) in Japan. First introduced in July 1989, a total of 15 four-car sets were built between 1989 and 1991 by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo to replace older 113 and 115 series EMUs. The design of the 311 series was developed from that of the 211 series.
| 311 series | |
|---|---|
311 series, January 2022 | |
| In service | 1989–Present |
| Manufacturer | Hitachi, Kawasaki Heavy Industries, Kinki Sharyo |
| Replaced | 113 series, 115 series |
| Constructed | 1989–1991 |
| Number built | 60 vehicles |
| Number in service | 60 vehicles (15 sets) |
| Formation | 4 cars per trainset |
| Fleet numbers | G1–G15 |
| Operators | JR Central |
| Depots | Ōgaki |
| Lines served | Tokaido Main Line, Taketoyo Line |
| Specifications | |
| Car body construction | Stainless steel |
| Car length |
|
| Width | 2,966 mm (9 ft 8.8 in) |
| Doors | 3 pairs per side |
| Maximum speed | 120 km/h (75 mph) |
| Traction system | Resistor control + field system superimposed field excitation control |
| Traction motors | C-MT61A |
| Power output | 960kW (2M2T set configuration) |
| Transmission | Gear ratio: 16:83 (1:5.19) |
| Electric system(s) | 1,500 V DC overhead |
| Current collector(s) | C-PS27A single-arm pantograph |
| Braking system(s) | Regenerative brake, electronically controlled pneumatic brakes |
| Safety system(s) | ATS-ST, ATS-PT |
| Coupling system | Shibata Type |
| Multiple working | 211/313 series |
| Track gauge | 1,067 mm (3 ft 6 in) |
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