British Rail Class 373

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British Rail Class 373 "Eurostar"
Rame Eurostar en Savoie.JPG
3218 leaving Chambéry (Savoie, France)
In service Built 1992-1996 In service 1993 - Present
Manufacturer GEC-Alsthom
Family name TGV
Number built 31 trainsets (Three Capitals)
7 trainsets (North of London)
Formation 20 cars (Three Capitals)
16 cars (North of London)
Capacity 750 seats (Three Capitals)
558 seats (North of London)
Operator Eurostar
SNCF
Specifications
Car body construction Steel
Car length 18.7 m
Width 2.81 m
Maximum speed 334.7 km/h (Record)
300 km/h (Service)
Weight 752 t (Three Capitals, empty)
815 t (Three Capitals, loaded)
665 t (North of London)
Power output 12.2 MW (25 kV)
5.7 MW (3000 V)
3.4 MW (675/750 V)
Voltage 25 kV AC
675/750 V DC
3000 V DC
1500 V DC
Gauge Standard gauge - 4 ft 8½ (1,435 mm)

The British Rail Class 373 or TGV-TMST train is an electric multiple unit that operates Eurostar's high-speed rail service between Britain, France and Belgium via the Channel Tunnel. Part of the TGV family, it has a smaller cross-section to fit within the constrictive British loading gauge, was originally able to operate on the UK third rail network, and has a lot of fireproofing in case of fire in the tunnel. This is both the longest—394 metres (1,293 ft)—and fastest train in regular UK passenger service.