Valena InMatic, universal rotary dimmer 300 W without neutral conductor, leading/trailing edge, 5 - 300 W, 2-wire connection (without N-wire) with screw terminals - Extension operation (switching and dimming) using conventional unlit normally open pushbuttons (max. cable length 50 m) - Soft start/soft stop to protect the bulbs. Suitable for the following dimmable bulbs: - Incandescent and HV halogen lamps: 5 - 300 W - LV halogen lamps with electronic or conventional transformer: 5 - 300 VA - Dimmable LED or compact fluorescent lamps: 5 - 75 W (max. 10 lamps)