Incandescent lamp dimmer insert with rotary switch 60 200 W 20 Features: Dimming of incandescent lamps and HV halogen at AC 230 V, 50 Hz. Switching and dimming of incandescent lamps and HV halogen lamps. Short-circuit protection with fine fuse. With screw terminals. Notes: If the ambient temperature is higher than 25 C, the connected load must be reduced.