The LiftMaster 50-106-40 Take Up Reel is an OEM cord reel assembly engineered to manage moving control wiring on overhead doors. It features a 2-conductor 18 AWG cord with approximately 40 ft of reach, allowing a door-mounted device—commonly a safety sensing edge—to stay connected to a stationary commercial door operator while the door travels. By automatically winding and unwinding the cord, the reel helps prevent cable snags and wear, supporting reliable entrapment protection signaling and consistent operator performance in commercial and industrial applications.
This replacement take-up reel is intended for low-voltage control circuits that require two conductors and is commonly used on sectional and rolling steel doors where a traveling cable is needed. For best results, install in accordance with the operator and edge manufacturer’s instructions, ensuring proper mounting, spring tensioning, and termination at the operator’s control inputs. After installation, test the sensing edge and door controls to confirm correct operation. Use only on compatible LiftMaster commercial door operators designed to accept a take-up reel, and have a qualified technician perform setup to maintain UL 325 compliance and on-site safety requirements.