PKP class EN57
EN57 (manufacturer's designation: Pafawag 5B/6B) is an electric multiple unit used by the Polish railway operator (PKP). It was built for suburban and long-distance services. Presently it is used by Polregio, SKM Trójmiasto, Koleje Dolnośląskie, Koleje Śląskie, Koleje Wielkopolskie and Koleje Mazowieckie companies in Poland.
| PKP EN57 | |
|---|---|
EN57 in the new Polregio livery at Herby Nowe railway station, June 2020 | |
| In service |
|
| Manufacturer | Pafawag |
| Family name | 5B/6B |
| Constructed | 1961–1993 |
| Entered service | 2 February 1962 |
| Refurbished | H. Cegielski, Newag, Pesa SA, Polregio, Škoda, TS Opole, PKP Lokomotywownia Warszawa Grochów, SNiUT Gdynia Cisowa, ZNTK Mińsk Mazowiecki: 1993; 2006–present |
| Scrapped | 1990–present |
| Number built | 1452 trainsets |
| Formation | 3 cars per trainset |
| Operators | PKP, Polregio, KM, SKM Trójmiasto, KŚ, KD, KW, Yugoslav Railways, Hrvatske Željeznice, Slovenske železnice |
| Specifications | |
| Train length | 64.970 m (213 ft 2 in) |
| Maximum speed | 110 / 120 km/h (68 / 75 mph) |
| Weight | 123 tonnes (121 long tons; 136 short tons) |
| Power output | 608 kW (815 hp) |
| Transmission | LK450 |
| Electric system(s) | 3000 V DC Overhead lines |
| Current collector(s) | Pantograph |
| UIC classification | 2'2'+Bo'Bo'+2'2' |
| Braking system(s) | Knorr Oerlikon (later versions) |
| Safety system(s) | Radio-Stop, SHP, CA |
| Multiple working | EN71, ED72 |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
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