Cover with rotary knob, Duroplast, CD series, light gray for rotary dimmers Item no.: 1730 DD, 1731 DD, 211 GDE for extension Item no.: 1733 DNE for rotary control device 1-10 V Item no.: 240-10 for DALI rotary control devices Item no.: 1740 DSTE, 1741 DSTE for speed controller Item no.: 1735 DS
