ED4 (Electric trainset)
| ED4 | |
|---|---|
| Manufacturer | DMZ |
| Replaced | ER2 |
| Constructed | from 1996 |
| Entered service | from 1997 |
| Number built | 475 (as of August 2014) |
| Formation | 4, 6, 7, 8, 9, 10, 11, 12 cars |
| Operators | Russian Railways |
| Depots | 3+ |
| Lines served | 5+ |
| Specifications | |
| Car body construction | steel, aluminium |
| Train length | (4) 88.224 m (289 ft 5+3⁄8 in) (6) 132.336 m (434 ft 2+1⁄8 in) (7) 154.392 m (506 ft 6+3⁄8 in) (8) 176.448 m (578 ft 10+3⁄4 in) (9) 198.504 m (651 ft 3+1⁄8 in) (10) 220.56 m (723 ft 7+1⁄2 in) (11) 242.616 m (795 ft 11+3⁄4 in) (12) 264.672 m (868 ft 4+1⁄8 in) |
| Car length | 22.056 m (72 ft 4+3⁄8 in) |
| Width | 3,522 mm (11 ft 6+5⁄8 in) |
| Height | 4,253 mm (13 ft 11+1⁄2 in) |
| Maximum speed | 130 km/h (81 mph) |
| Acceleration | 0.67 m/s2 (2.2 ft/s2) |
| Deceleration | 0.65 m/s2 (2.1 ft/s2) |
| Electric system(s) | 3 kV DC Catenary |
| Current collector(s) | Pantograph |
| Coupling system | SA3 |
| Track gauge | 1,520 mm (4 ft 11+27⁄32 in) Russian gauge |
ED4 (Electric train Demikhovskiy 4-th modification) are a series of Russian electric trainsets, in production since 1996. The trains are produced by DMZ and currently in service on RZD lines in almost every part of the country and former USSR states.