The Elf (Electric Low Floor) is an electric multiple unit developed by Polish rolling-stock manufacturer Pesa SA.

[1] It is intended for commuter and regional service where platform height is 55 cm (22 in).

[2] It is based on earlier EMU designs named ED59 and ED74.

[5] In 2019, Elf.eu – a multisystem version targeting EU markets – was introduced.

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