British Rail Class 332

British Electric passenger trains

The British Rail Class 332 (originally Class 331) were electric multiple unit passenger trains used on the Heathrow Express. These trains went from London Paddington station to Heathrow Airport. There were 14 trains which had four or five carriages each. They were built in 1998 by CAF with traction equipment supplied by Siemens Transportation Systems at a factory in Zaragoza, Spain.

British Rail Class 332
332005 at London Paddington in January 2007
In service1998 - 2020
Number built14 trainsets
Number preserved3 cars
Number scrapped14 trainsets
Formation4-5 cars per trainset
Capacity203 seats (4 cars)
267 seats (5 cars)
Operator(s)Heathrow Express
Depot(s)Old Oak Common TMD
Maximum speed109 mph (175 km/h)
Weight188.4 t (4 cars)
233.6 t (5 cars)
Power output1.4 MW
Electric system(s)25 kV AC Overhead
Safety system(s)AWS, ATP
Coupling systemScharfenberg
Multiple workingWithin class
Track gauge1,435 mm