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LiftMaster Model MJ
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LiftMaster Model MJ – Medium-Duty Jackshaft Operator
The LiftMaster Model MJ is a dependable and compact jackshaft operator, perfect for commercial spaces where every inch counts and medium-duty tasks are the norm. It’s designed specifically for sectional overhead doors and mounts conveniently on the wall next to the door, freeing up valuable ceiling space and ensuring a neat, efficient installation.
With its high-starting torque motor and built-in timer-to-close feature, the Model MJ not only boosts security but also adds a layer of convenience. Plus, it’s MyQ® enabled, which means facility managers can keep an eye on and control door activity from their smartphones or desktops—making operations smoother and providing peace of mind.
This model is ideal for warehouses, storage facilities, and light commercial settings, delivering the reliable performance and durability that LiftMaster is known for.
Standard Features
Medium-Duty Jackshaft Operation
This operator is specifically designed for smaller, light to medium-duty commercial sectional doors that feature high lift or vertical lift tracks.
Wall-Mount Installation
It mounts directly to the wall next to the door, which means you can skip the overhead rails and make the most of your ceiling space.
115V Single-Phase Power
Running on standard 115V power, this operator is perfect for a variety of commercial applications.
Built-In Radio Receiver
Equipped with a Security+ 2.0® radio receiver, it ensures reliable remote control access.
3-Button Control Station
You’ll find a handy 3-button wall-mounted control (OPEN/CLOSE/STOP) included for easy local operation.
Adjustable Friction Clutch
This feature offers overload protection and helps reduce wear on both the operator and the door system.
CPS-U Monitored Safety Sensors
To keep you compliant with UL 325, it uses photoelectric sensors that detect obstructions and prevent accidents during door closure.
Maintenance Alert System (MAS)
This system tracks usage and sends alerts when it’s time for routine maintenance, helping to prolong the operator’s life and ensure it remains reliable.
MyQ® Technology Compatible
You can upgrade it with MyQ® accessories for remote monitoring, control, and real-time alerts right from your smartphone or computer.
Interlock Capability
It supports electric interlocks, adding an extra layer of security and safety by integrating with other systems.
3-Button Station
Take charge of your commercial door effortlessly with the LiftMaster 3-Button Station. Tailored for the Model T operator, this handy device offers Open, Close, and Stop functions, ensuring enhanced safety and precise control in industrial environments.
Commercial Photo Eyes
Optional Accessory
3-Button Open/Close/Stop Remote Control
The LiftMaster 3-Button Open/Close/Stop Remote Control for Model MJ is your go-to solution for managing your commercial garage door with ease and reliability. Built with precision and safety in mind, this remote lets authorized users open, close, or halt the door instantly with just a single press—perfect for busy facilities that need quick, hands-on operation.
Optional Accessory
Wireless Keypad
The LiftMaster Wireless Keypad for Model MJ provides a secure and convenient way to enter without needing remotes or keys. Designed for commercial settings, it lets employees or service personnel access your garage door using a unique PIN, which boosts access control while keeping security tight. It’s built to last and withstand the elements, making it an ideal choice for outdoor installations.
Optional Accessory
Red Green Traffic Light
Boost safety and streamline traffic with the Red/Green Traffic Light Accessory designed for the LiftMaster Model MJ commercial garage door opener. This handy visual signal makes it crystal clear when it’s safe to enter or exit, helping to cut down on accidents and enhance efficiency in bustling commercial spaces. It’s perfect for warehouses, loading docks, and industrial facilities.
Optional Accessory
Light Curtain
Optional Accessory
Monitored Dual-Sided Photo Eyes
Warranty Terms:
Covers labor and replacement parts installed by our team.
Does not cover damage caused by accidents, misuse, or external factors.
Warranty service must be requested within the coverage period.
For warranty claims or service inquiries, contact us here. Your satisfaction is our priority!
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