Roller shutter drive with a pulling force of 25 Nm, suitable for octagonal shafts with a diameter of 60 mm. The Chamberlain roller shutter drive RPD25 opens roller shutters with an area of up to 11 m² (PVC) at a maximum weight of 50 kg. For a relaxed installation, essential components such as adapter, coupling, and bearing pin are already pre-assembled. The adjustment of the end points can be conveniently and quickly made using the included adjustment pin. The adapter for the octagonal shaft is included in the delivery.