The DBAG Class 490 is a three-car dual-voltage electric multiple unit train for the Hamburg S-Bahn. It was manufactured jointly by Bombardier Transportation and Alstom in 2013.

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Quick Facts Manufacturer, Constructed ...

DBAG Baureihe 490
490117 in service near Hamburg-Harburg
Manufacturer	Bombardier/Alstom
Constructed	2013–
Operators	S-Bahn Hamburg
Specifications
Train length	66 m (216 ft 6+7⁄16 in)
Maximum speed	100 km/h (62 mph)/140 km/h (87 mph)
Weight	122 t (120 long tons; 134 short tons) 130 t (128 long tons; 143 short tons)
Power output	1.6 MW (2,100 hp)
Electric system(s)	1200 V DC third rail 15 kV  16+2⁄3 Hz AC overhead lines
Current collector(s)	Contact shoe (DC) Pantograph (AC)
UIC classification	2′Bo′+Bo′Bo′+Bo′2′
Braking system(s)	Electric, Air
Safety system(s)	Sifa, PZB
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

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A single unit consists of 3 cars with the outer two having cabs. Trains can operate on the 1200 V side contact third rail and 15 kV overhead wires. It is currently the only train on the Hamburg S-Bahn to have air conditioning.

• Media related to DBAG Class 490 at Wikimedia Commons
• Official website (in German)

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