Mounting Accessories. Actuator (puck). Ident. no.: 100002102. End position damped. Displays rotatable by 90 °. Hole pattern on flange: 80 x 30 mm. Connection shaft (shaft extension) height: 30 mm/Ã: max. 38 mm. Available as an option: Spacer BTS-DSC26-UR10 for 20-mm-high connection shafts (shaft extension)