Electronics / Ecosystems

LEGO 9V

Explore the LEGO 9V family, from train motors to speed controls. Discover the parts used in layouts that draw power through metal rails.

Explore the catalogBefore you build

A classic for trains

Before you build.

Confirm the power supply and connection on each part. A shared voltage alone does not establish compatibility.

Train motors

Speed control

9V components

LEGO train systems

Find your next component.

Browse electronics products or explore individual part designs.

3 results

ControllersElectronics

9V Speed Controller (27 W)

FX Bricks

Track Power Source

Electric TrainPart

Hub / Controller, Train Speed Regulator 9V

LEGO®

BD-11712

ControllersElectronics

LEGO 9V Train Speed Regulator

LEGO®

Track Power Source

More ways to bring a build to life

Light up a set

Find lighting kits designed for your building set.

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