| ER1 | |
|---|---|
![]() Electric multiple train unit ER1-234 of Crimean railways  | |
| Manufacturer | Rīgas Vagonbūves Rūpnīca | 
| Constructed | 1957-1962 | 
| Number built | 259 + 4 separate head carriages | 
| Formation | 10 cars | 
| Capacity | 1050 seats | 
| Specifications | |
| Car body construction | steel | 
| Car length | 19.600 m (64 ft 3+5⁄8 in) | 
| Width | 3,480 mm (11 ft 5 in) | 
| Acceleration | 0.6 m/s2 (2.0 ft/s2) | 
| Deceleration | 0.8 m/s2 (2.6 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 | 
ER1 electric trainset (Cyrillic: ЭР1) was manufactured by Rīgas Vagonbūves Rūpnīca between 1957 and 1962 for suburban commuting usage within the Soviet Union on lines electrified on 3000 V, DC.
See also
- Stadler KISS - electric trainset, in Sweden called ER1
 - The Museum of the Moscow Railway, at Paveletsky Rail Terminal, Moscow
 - Rizhsky Rail Terminal, Home of the Moscow Railway Museum
 - Varshavsky Rail Terminal, St.Petersburg, Home of the Central Museum of Railway Transport, Russian Federation
 - History of rail transport in Russia
 
- Documentary of Soviet electric EMU trains of the ER-series (ER1 from 38:26-53:07)
 
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