British Rail Class 332

British Rail Class 332
Class 332 at London Paddington in January 2007
Interior of a refurbished standard class carriage
In service19 January 1998 – 28 December 2020
ManufacturerCAF
Built atZaragoza, Spain
Constructed
  • 1997–1998
  • 2002 (5 additional cars)
Refurbished2012–2013[1]
Scrapped2020–2021
Number built14
Number preserved
  • 0
  • (3 cars from 1 unit)
Number scrapped13
SuccessorClass 387
Formation
  • 9 × 4-car units
  • (DMSO-PTSO-TSO-DMSO[2])
  • 5 × 5-car units
  • (DMSO-TSO-PTSO-TSO-DMSO[2])
Fleet numbers332001–332014
Capacity
  • 4 cars: 203 seats
  • 5 cars: 267 seats
OwnersHeathrow Airport Holdings
OperatorsHeathrow Express
DepotsOld Oak Common (London)
Specifications
Car body constructionSteel
Car length
  • End cars:
  • 22.95 m (75 ft 4 in)
  • Intermediate cars:
  • 22.9 m (75 ft 2 in)
Width2.73 m (8 ft 11 in)
Height3.77 m (12 ft 4 in)
Maximum speed109 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 systemSiemens IGBT-C/I[2]
E500 D600/860 M5 rdq-1[2]
Traction motors4×Siemens 1TB2215-0JA03[3]
350 kW asychronous motors (with ZF-Hurth gearboxes)
Power output1,400 kW (1,900 hp)[4]
Acceleration1 m/s2 (2.2 mph/s)[4]
Electric system(s)25 kV 50 Hz AC overhead
Current collector(s)Pantograph
Safety system(s)
Coupling systemScharfenberg Type 10[5]
Multiple workingWithin class
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

The British Rail Class 332 was a type of electric multiple unit passenger train 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.

  1. ^ "Which way from Heathrow?". The Railway Magazine. No. 1454. May 2022. pp. 26–31.
  2. ^ a b c d Schumann, Horst (1998). "Triebzug Baureihe 332 - Heathrow Express" (Document). Erlangen: Siemens AG. p. 1-7.
  3. ^ "Elektrischer Triebzug Class 332 - Heathrow Express (Product Brochure)" (Document). Siemens AG. 1998.
  4. ^ a b "Reference Brochure Trains" (PDF). mobility.siemens.com. Archived from the original (PDF) on 6 October 2011. Retrieved 30 December 2021.
  5. ^ System Data for Mechanical and Electrical Coupling of Rail Vehicles in support of GM/RT2190 (PDF). London: Rail Safety and Standards Board. 22 June 2011. p. 4. SD001. Archived from the original (PDF) on 1 April 2012. Retrieved 22 November 2022.