British Rail Class 332

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British Rail Class 332
Heathrow Express 332 008.jpg
Class 332 at Paddington
In service1998 - Current
ManufacturerSiemens AG and CAF
Number built14 trainsets
Formation4-5 cars per trainset
Capacity175 seats (4 cars)
239 seats (5 cars)
Operator(s)Heathrow Express
Specifications
Maximum speed105 mph (169 km/h)
Weight188.4 t (4 cars)
233.6 t (5 cars)
Power output1.4 MW
Electric system(s)25 kV AC Overhead
Braking system(s)Regenerative air brake
Safety system(s)ATP
Track gauge1,435 mm

The British Rail Class 332 (originally Class 331) is a type of electric multiple unit train used on the Heathrow Express. This type of train goes from London Paddington station to Heathrow Airport. There are 14 trains which have four or five carriages each. They were built in 1998 by Siemens and CAF at a factory in Zaragoza, Spain.