Pesa Elf

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.^[3] A Pesa Elf was exhibited at InnoTrans 2010.^[4]

Elf
27WE of SKM Warszawa
Manufacturer	Pesa SA
Family name	Elf
Constructed	2010–present
Entered service	2011
Number built	126
Fleet numbers	EN76 (4 section); EN62 (3 section); EN96 (2 section)
Operators	Koleje Dolnośląskie Koleje Małopolskie Koleje Mazowieckie Koleje Wielkopolskie Koleje Śląskie Polregio SKM Warszawa
Specifications
Train length	depending on configuration
Width	2,880 mm (9 ft 5 in) (UIC 505-1)
Height	4,280 mm (14 ft 1 in)
Platform height	550 mm (1 ft 10 in)
Maximum speed	Design: 190 km/h (118 mph) Majority: 160 km/h (100 mph)
Traction system	electric
Traction motors	4 × 400 kW 4 × 500 kW 6 × 500 kW 8 × 400 kW
Power output	1600–3200 kW
Acceleration	around 1 m/s2
Electric system(s)	3 kV DC, 25 kV AC overhead (also 1.5 kV DC and 15 kV AC are offered)
Current collection	pantograph
Coupling system	Scharfenberg
Multiple working	yes, up to 3 units
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

In 2016 a new version, Elf 2, was introduced, featuring new design.^[5] In 2019, Elf.eu (a multisystem version targeting EU markets) was introduced.^[6]

Operators

State	Operator	Type	No. of sections	Image	Number	Delivered	Notes
Poland	Koleje Dolnośląskie	48WEc	5		5 out of 25	2022–2024	[7][8]
	Koleje Małopolskie	22WEh	4		4	2021	[9][10]
	Koleje Mazowieckie	22WEe	4		16	2011	[11]
	Koleje Śląskie	22WE	4		8	2011	[12]
		22WEb	4		1	2011	[12]
		27WEb	6		6	2013	[13]
		34WEa	2		4	2017–2020	[14]
		21WEa	3		5	2017–2020	[15]
		22WEd	4		12	2017–2020	[16]
	Koleje Wielkopolskie	22WEa	4		22	2012–2014	[17]
		48WE	5		10	2019	[18]
		48WEb	5		5	2020–2021	[19]
	Polregio	22WEc	4		6	2014–2016	[20][21] owned by Kuyavian-Pomeranian Voivodeship
		34WE	2		4	2018	[22]
		21WEb	3		5	2017–2018	[23][24] owned by Subcarpathian Voivodeship
		22WEf	4		2	2018
		34WE	2		4	2011	[25] owned by Świętokrzyskie Voivodeship
		21WE	3		1	2012	[26] owned by Warmian-Masurian Voivodeship
	SKM Warszawa	27WE	6		13	2011	[27]
Czech Republic	RegioJet	654	2		7	2021–2022	[28] dual system 3 kV DC / 25 kV AC
		655	3		7	2024–2025	dual system 3 kV DC / 25 kV AC[29]

Gallery

• 
  Elf 2 (48WE) of Koleje Dolnośląskie
• 
  34WEa of Koleje Śląskie
• 
  Pesa Elf 22WE (EN76) of Koleje Mazowieckie
• 
  22WEh of Koleje Małopolskie
• 
  EN76 of Polregio
• 
  CZ Class 654 (Elf.eu) of RegioJet