MT – Medium Duty Trolley Operator for Standard Lift Sectional Doors

Engineered for standard-lift sectional doors up to 14 feet high, the MT Medium-Duty Trolley Operator combines robust performance with compact convenience. Its wall-mounted design frees overhead space while delivering smooth, quiet operation through oil-lubricated bushings and an adjustable friction clutch. Programmable Timer-to-Close and integrated maintenance alerts ensure consistent uptime, and Security+® technology provides secure remote control for facility managers.

Key Specifications

Voltage: 115 V single-phase
Duty Cycle: 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
Adjustable Friction Clutch: protects against obstructions
Security+® Technology: supports 20 remotes and unlimited DIP switch controls
Maintenance Alert System: automated service notifications

Performance

115 volt 1 Ɵ.
Apply Open/Close/Stop functions with the standard three-push-button control station. Controls with one, two and three buttons are available.
Receive notifications when routine maintenance is required on your Commercial Door Operator.
Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
Heavy-duty, oil-filled bushings.
Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
Automatically close the door with Timer-To-Close (programmable in 1-second or 15-second increments).
Ensure peace of mind with a LiftMaster® two-year warranty.

Safety and Security

Compliant with all UL 325 requirements.
Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
Protect against door and operator damage due to obstacles with the Adjustable Friction Clutch.
Provide easy, emergency manual operation using a readily accessible disconnect.
CPS-U Monitored Commercial Protector System.