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Velleman K8028: Multifunctional Dimmer Kit

Velleman K8028: Multifunctional Dimmer Kit

Velleman K8028

Velleman K8028: Multifunctional Dimmer Kit

The Velleman K8028 Multifunctional Dimmer Kit can be used on many applications to slowly turn on a light which provides for a longer life cycle for the bulbs. This kit can handle both a low voltage light bulb and a high voltage light bulb e.g. halogen light. The Velleman K8028 has two built-in interval timer that can be set for 5 seconds to 2 hours when using the learning mode.

Another function that this kit has is a speed controller. It can adjust the speed of a fan using this function. This programmable kit will not lose its memory during a power outage.


  • Supply voltage: 110-125V or 220-240V AC, 50 or 60Hz
  • Automatic detection of mains frequency: 50 or 60Hz
  • Max. load: 2.5A (300W / 120V , 600W / 230V)
  • Dimensions: 3.9 x 3.2 x 1.4"


  • Microcontroller technology
  • 13 different functions: impulse switch, staircase light control, slow ON/OFF dimmer, interval timer, speed adjustment for fans, etc…
  • Suitable for both resistive and inductive loads (light bulbs, high-voltage halogen lighting and low-voltage halogen lighting with ferromagnetic transformer)
  • "Soft Start" prolongs the life of the bulbs
  • An advanced security system with fault indication automatically deactivates the module if the load or no-load behaves too inductively
  • Can be operated from several locations, simply by the parallel connection of push buttons
  • 2 delay times (anywhere between 5 sec. to 2 hours each) can be programmed through the learning mode
  • Memory is protected against power failures
  • Equipped with fuse and key for function selection
  • Equipped with a mains suppressor according to EN55015 norms

Additional Information

Difficulty Level 4


Parts list
English assembly instructions through illustrations, pictures, etc.

Assembly instructions
Written multilingual manual explaining how to build the kit

Info Sheets

Resistor colour code

Connection diagram

Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.


Velleman dimmer selection guide

 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product