For ohmic, inductive and capacitive loads, e.g. light bulbs, dimmable wound transformers or electronic transformers. (Phase control or phase control). The universal dimmer automatically detects the connected load. Do not connect mixed loads. With push-to-change switch. To be completed with central plate with rotary knob System M MEG5250-03xx/-04xx/-06xx, System Area MEG5250-40xx/-41xx/-42xx, System Design MEG5250-60xx LED lighting module for rotary dimmer MEG5300-0002. Note Information on the subject of dimming LED lamps can be found on the Internet at Merten Dimmertest. http//www.merten.de/Dimmer-Test.dimmertest.0.html. Version 20-600 W/VA.