DBAG Class 490

{{Expand German|date=February 2022|topic=transp}}{{infobox train

| name = DBAG Baureihe 490

| numberbuilt =

| image = DB 490117 Near Harburg.jpg

| caption = 490117 in service near Hamburg-Harburg

| operator = S-Bahn Hamburg

| yearconstruction = 2013–

| manufacturer = Bombardier/Alstom

| uicclass = 2′Bo′+Bo′Bo′+Bo′2′

| maxspeed = {{convert|100|km/h|mph|abbr=on}}/{{convert|140|km/h|mph|abbr=on}}

| gauge = {{Track gauge|sg|allk=on}}

| trainlength = {{convert|66|m|ftin|frac=16|abbr=on}}

| weight = {{convert|122|t|0|abbr=on}}
{{convert|130|t|0|abbr=on}}

| safety = Sifa, PZB

| brakes = Electric, Air

| electricsystem = 1200 V DC third rail
{{15 kV AC|frac=y}} overhead lines

| collectionmethod = Contact shoe (DC)
Pantograph (AC)

| poweroutput = {{convert|1.6|MW|abbr=on}}

| tractiveeffort =

}}

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.

Design

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 with air conditioning.