Rotary dimmer universal LED, with extension input Intended use Switching and dimming of lighting Operation with suitable cover Installation in device box with dimensions according to DIN 49073 Product features Device works according to the leading or trailing edge principle Automatic or manual setting of the dimming principle suitable for the load Display of the set operating mode via LED Device can be operated without a neutral conductor Switching on via lamp-saving soft start Switching on with last set brightness or saved switch-on brightness Switch-on brightness can be saved permanently Minimum brightness can be saved permanently Connection of extensions possible Electronic short-circuit protection with permanent switch-off after 7 seconds at the latest Electronic overtemperature protection Hotel card function Performance extension through power additives (item no. ULZ 1755 REG) possible Optional accessories: LED compensation module, item no.: KM LED 230 U