AP 115 surface-mounting pushbutton swith degree of protection IP44 Dimensions (HxWxD): 75 x 66 x 52 mm AP 115/31 pushbutton, double, pushbutton position with two pushbuttons with one operating point each, with freely configurable function: toggle, switch On/Off, switch On/Off and dim, solar protection control, save and recall of 1-bit scenes when used together with scene modules, with distinction between short and long button press for control of dimming, solar protection, and scenes, with integrated bus coupling unit.