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Setting a turnout, switching on lighting or triggering an action as a train passes: a garden railway offers plenty of tasks that call for flexible control. With the DiMAX Switch Decoder 4K III, item number 8156110, we offer a versatile DCC decoder that combines conventional switching functions with contact-triggered operation.
Four Channels for Your Ideas
Four independently controlled switching channels let you operate up to four turnout or motor drives. In addition to the single-coil drives commonly used on garden railways, the 4K III also supports dual-coil drives and motor-driven turnouts. The outputs can also be used for lamps and other switching applications.
This makes the decoder suitable for controlling turnouts in your station as well as lighting and moving features across your layout. Find out more about its applications on our DiMAX Switch Decoder 4K III product page.
Digital Control, Push Buttons or Passing Trains
The 4K III becomes particularly versatile thanks to its eight programmable contact inputs. These allow switching operations to be triggered directly by push buttons, reed contacts or track contacts—in addition to control through your digital system.
For example, you can operate a turnout using a push button on a track diagram control panel or trigger a switching operation as a train passes. Alternatively, the contact connections can be configured as LED outputs to provide a visual indication of switching states.
Automatic return switching after an adjustable delay is also possible: a turnout can, for example, automatically switch back to the opposite position after being operated. Wiring examples and settings are explained in the instruction manual.
Flexible Settings, Convenient Programming
The decoder can be controlled using either turnout addresses or a locomotive address. In locomotive mode, you can assign the outputs to function keys and configure effects such as flashing or timed switching.
The integrated programming load makes setup easier: no additional external load is required to read or write CV values. Programming on Main, or PoM, is also supported. Further programming guidance is available in the instruction manual.
More Possibilities for Your Garden Railway
Whether you want to add digital control to individual turnouts, complement a manual control panel or implement contact-triggered operations, the DiMAX Switch Decoder 4K III gives you plenty of ways to bring your ideas to life.
Discover the DiMAX Switch Decoder 4K III – item number 8156110
