Schlegel RONDEX Series Dimensions (mm) Panel Cutout: Ø22.3 Front Dimension: Ø28 Front Bezel Height: 12mm TRavel Distance 6mm Catalog (PDF-20Pg) Round, robust actuators made of plastics or with chromed metal front bezels. 16mm mount with round bezel. Suitable Contact Blocks M-SERIES Features: 6mm travel Lamp socket BA9S (bayonet base) Connection = screw connection 2x2.5mm2 D-SERIES Features: 6mm travel Lamp socket BA9S (bayonet base) Connection = push-in connections .75…2.5mm2 E-SERIES Features: 6mm travel Lamp socket BA9S (bayonet base) Connection = screw connections (finger protection)