For switching and dimming incandescent lamps, HV halogen lamps, LV halogen lamps via dimmable wound transformers or electronic transformers, LEDs and compact fluorescent lamps (leading and trailing edge phase control). The universal dimmer automatically detects the connected load. Combinations of inductive and capacitive loads must not be connected. For mounting on TH35 top hat rails in accordance with EN 60715. Functions Automatic load detection. Switch-on brightness can be individually saved. Adjustable minimum brightness (required for ESL and LEDs). Multi-voltage input, e.g. for intercom systems. Memory function in the event of a power failure. Automatic electronic overload and overtemperature shutdown. Dimming switch-on function. Permanent ON function (test function). Soft ON and soft OFF protect the lamp. No minimum load required. Nominal voltage AC 230 V, +10% / -15%, 50 Hz. Own consumption 0.3 W. Standby power 0.2 W. Incandescent lamp load 400 W. Halogen lamp load 400 W. Inductive transformers 400 W. Electronic transformers 300 W. Dimmable compact fluorescent lamps (CFL) 80 W. Dimmable LEDs 60 W. Cable length max. 100 m. Minimum load none. Control elements function switch. Protection class IP 20. Device width 1 HP approx. 18 mm. Version 400 W.