British Rail Class 332

British Rail Class 332
Class 332 at London Paddington in 2007
Interior of a refurbished standard class carriage
In service	19 January 1998 – 28 December 2020
Manufacturer	CAF
Built at	Zaragoza, Spain
Constructed	1997–1998 2002 (5 additional cars)
Refurbished	2012–2013
Scrapped	2020–2021
Number built	14
Number preserved	0 (2 cars from 1 unit)
Number scrapped	13
Successor	Class 387
Formation	9 × 4-car units (DMSO-PTSO-TSO-DMSO) 5 × 5-car units (DMSO-TSO-PTSO-TSO-DMSO)
Fleet numbers	332001–332014
Capacity	4 cars: 203 seats 5 cars: 267 seats
Owner	Heathrow Airport Holdings
Operator	Heathrow Express
Depot	Old Oak Common (London)
Specifications
Car body construction	Steel
Train length	4 cars: 93.68 m (307 ft 4 in) 5 cars: 117.03 m (383 ft 11 in)
Car length	End cars: 23.49 m (77 ft 1 in) Intermediate cars: 23.35 m (76 ft 7 in)
Width	2.73 m (8 ft 11 in)
Height	3.774 m (12 ft 4.6 in)
Maximum speed	109 mph (176 km/h)
Weight	4 cars: 173 t (170 long tons; 191 short tons) 5 cars: 208 t (205 long tons; 229 short tons)
Traction system	Siemens E500 D600/860 M5 rdq-1 IGBT–C/I
Traction motors	8 × Siemens 1TB2215-0JA03 175 kW (235 hp) asychronous 3-phase AC
Power output	1,400 kW (1,900 hp)
Gearbox	ZF-Hurth
Acceleration	1 m/s2 (2.2 mph/s)
Electric system	25 kV 50 Hz AC overhead
Current collection	Pantograph
UIC classification	4 cars: Bo′Bo′+2′2′+2′2′+Bo′Bo′ 5 cars: Bo′Bo′+2′2′+2′2′+2′2′+Bo′Bo′
Safety systems	ATP AWS
Coupling system	Scharfenberg Type 10
Multiple working	Within class
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
Sourced from except where noted

The British Rail Class 332 electric multiple unit passenger trains were built between 1997 and 1998 by CAF, with traction equipment supplied by Siemens Transportation Systems. Fourteen units were built for dedicated use on Heathrow Express services between London Paddington and Heathrow Airport. The last unit was withdrawn from service in 2020 and all 14 units were scrapped by the following year.