Rotary MASTER dimmer 120V grey

Universal-dimmer, 120 V~ 60 Hz for: 40-500 W incandescent lamps, 40-300 VA electronic transformers, 10-200 W CFL lamps, 3-200 W LED lamps, LED electronic supply units, ON/OFF or built-in or from NO peripheral push buttons control, regulation by rotary potentiometer, MASTER function for 20137.120, minimum luminosity regulation, visible in darkness, grey. Not for Isoset enclosures