The LiftMaster K22-120 Brake Solenoid is a genuine OEM replacement part designed to actuate the electromagnetic brake on select LiftMaster commercial door operators. When energized, this solenoid releases the operator’s brake to allow door movement; when power is removed, the brake engages to hold the door in place. It is commonly used in commercial and industrial applications where reliable, repeatable brake release and holding force are critical, such as trolley, hoist, or jackshaft-style operators.
This replacement brake solenoid features a 120 VAC coil and is intended for operators that specify part number K22-120 in their service manual or parts diagram. No programming is required; installation involves wiring the solenoid to the correct voltage source and mechanically seating it to properly engage the brake mechanism, following LiftMaster service procedures. For safe operation, verify the coil voltage matches your operator’s requirements, lock out/tag out power before service, and confirm proper brake engagement and release after installation. Always consult the specific LiftMaster model documentation to confirm compatibility with this K22-120 brake solenoid.