Engineered for small rolling doors, grilles, and high-lift industrial sectional doors, the MH Medium-Duty Hoist Operator balances performance with compact convenience. Its wall-mounted design frees overhead space while delivering reliable, oil-lubricated bushing drive and programmable Timer-to-Close functionality. Integrated Maintenance Alert System and Security+® technology ensure proactive service and seamless remote control for facility managers.
Key Specifications
Voltage: 115 V single-phase
Duty Cycle: recommended up to 12 cycles per hour
Control Station: configurable one- to three-button Open/Stop/Close
Programmable Timer-to-Close: 1 s or 15 s increments
Maintenance Alert System: automated service notifications
Security+® Technology: supports 20 remotes and unlimited DIP switch controls
With Open/Close/Stop functions, the three push-button control station is standard for all operators. Controls with one, two and three buttons are available.
Maintenance Alert System provides notifications when routine maintenance is required on your Commercial Door Operator.
With a powder-coated finish, the NEMA Type 1 electrical box construction is durable enough for most applications.
Heavy-duty, oil-filled bushings.
Mounts on the left or right side of the door. No rails to hang – the Door Operator simply mounts on the wall and attaches to the door shaft through chain and sprocket.
Door Operator electromechanical limit system enables ease of installation and adjustment to ensure accuracy, even after a power failure.
Programmable in one-second or 15-second increments, Time-to-Close automatically closes the door.
Ensure peace of mind with a LiftMaster two-year warranty.
