The LiftMaster 20-1075C-2N is an OEM replacement motor designed for select LiftMaster commercial and industrial door or gate operator systems. Delivering 3/4 horsepower with a dual-voltage 115/230 VAC, single-phase configuration, it supplies reliable drive power to maintain smooth, consistent operation. Its NEMA 4X (N4X) enclosure rating helps protect against water ingress, dust, and corrosion, making it suitable for demanding indoor or outdoor environments, including locations with washdown, humidity, or airborne contaminants.
This motor is intended as a direct-fit service part when the operator’s documentation specifies 20-1075C-2N. For installation, configure the wiring for either 115 VAC or 230 VAC per the motor nameplate and LiftMaster service instructions, ensure proper grounding and overload protection, and verify rotation and mounting alignment before commissioning. Compatibility should be confirmed by checking the operator model’s manual or bill of materials. Installation must be performed by a qualified technician with power locked out in accordance with local codes. Typical applications include replacement in commercial door operators and industrial gate systems designed to accept a 3/4 HP, 1-phase, NEMA 4X motor, offering an OEM LiftMaster solution for repairs or upgrades where environmental protection and dependable performance are required.