The LiftMaster 20-3500C-4B is an OEM replacement motor engineered for demanding commercial and industrial overhead door operators that require a 5 HP, three-phase drive. Rated for 230/460 VAC (3PH), this LiftMaster motor provides robust torque and dependable performance for high-cycle applications where consistent starting power and smooth operation are critical. As a genuine LiftMaster component, it is designed for integration into select LiftMaster commercial door operator systems that specify a 5 HP, 230/460V, three-phase motor (CF), making it a suitable option for maintenance, repair, or upgrade scenarios where like-for-like compatibility is required.
For correct application, match voltage, phase, and horsepower to the existing operator and follow the installation and wiring instructions in the operator’s service manual. All work should be performed by a qualified technician using proper lockout/tagout procedures. Confirm compatibility with your specific LiftMaster model and control system before ordering to ensure proper fit and performance.