LiftMaster MJ5011 Medium Duty Jackshaft Operator - 1/2 HP

The LiftMaster MJ is a high-performance, mid-duty commercial jackshaft operator designed for use with sectional doors and small rolling steel doors or grilles. Engineered for facilities with moderate daily cycles, the MJ delivers reliable operation day in and day out, making it ideal for warehouses, storage buildings, and service bays.

Built for Versatility

Whether you're outfitting a new door or replacing an older unit, the MJ is built to handle a range of door types and sizes. It supports:

• Sectional doors

• Small rolling steel doors or grilles

• High-lift doors (custom options available upon request)

Choose from multiple shaft & keyway configurations and door heights, making the MJ adaptable to your specific operational needs.

Smart Warehouse-Ready

With optional myQ® Dock Management, you can bring smart tracking and analytics to your loading dock. Monitor:

• Dwell Time

• Turn Time

• Loading Efficiency

Real-time data insights help reduce bottlenecks and increase throughput at your facility.

Key Features

• Mid-Range Duty Cycle: Perfect for light-to-mid commercial usage

• Durable Build: Engineered for long-term reliability

• Smart-Ready: Optional myQ® Dock Management compatibility

• Compact Jackshaft Design: Saves space and maximizes door clearance

Included Accessories

• 02-103L – 3-Button Control Station

• CPS-U – Commercial Photo-Eye Safety Sensors (optional upgrade available)

Configuration Options