The LiftMaster MJ5011U is a commercial jackshaft door operator designed for dependable operation of sectional overhead doors, rolling doors, and grilles. Its compact, wall-mounted design makes it an excellent choice for commercial installations where ceiling space is limited or a traditional trolley operator is not suitable.
Featuring a 1/2 HP, 115V single-phase motor, built-in radio receiver, manual emergency operation, and UL 325-compliant safety features, the MJ5011U delivers reliable and convenient door control for a wide range of commercial applications.
Key Features
Motor and Power:
Equipped with a 1/2 HP, 115V single-phase motor that provides dependable starting torque for commercial door operation.
Universal Installation:
Designed for flexible left- or right-side mounting to accommodate different door layouts and installation requirements.
Safety and Compliance:
UL 325-compliant design helps support safe commercial door operation when installed with the required monitored entrapment protection device.
Built-In Radio Receiver:
Includes an integrated 315 MHz receiver for compatible LiftMaster remote controls and wireless accessories.
Emergency Manual Operation:
Provides manual operation during power outages or emergencies, allowing the door to be operated when electrical power is unavailable.
Control Station:
Includes a wall-mounted 3-button open, close, and stop control station for convenient operation.
Drive Sprocket:
Features a 1-inch bore, 32-tooth sprocket designed for use with #41 roller chain.
What's Included
- LiftMaster MJ5011U commercial jackshaft operator
- 3-button open, close, and stop control station
- CPS-U commercial monitored photo-eye system
- Emitter and receiver
- Floor and wall mounting brackets
- Required installation hardware and components
CPS-U Safety Photo-Eye System
The included CPS-U commercial photo-eye system provides monitored entrapment protection for compatible LiftMaster commercial operators.
- Compatible with LiftMaster Logic 2, 3, 4, and 5 operators
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Suitable for indoor openings up to 30 feet wide
- Includes emitter, receiver, and mounting brackets
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Operates on 24VAC
- UL 325-compliant when properly installed and configured
Specifications
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Operator Type: Commercial jackshaft
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Motor: 1/2 HP
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Voltage: 115V
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Phase: Single phase
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Receiver: Built-in 315 MHz
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Sprocket Bore: 1 inch
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Sprocket Size: 32 tooth
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Compatible Chain: #41 roller chain
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Control Station: 3-button open, close, and stop
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Safety Device: CPS-U monitored commercial photo eyes
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Application: Sectional overhead doors, rolling doors, and grilles
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Installation: Indoor commercial applications
Mounting Orientation
Right-Side Installation:
Right-hand mount with left-hand drive.
Left-Side Installation:
Left-hand mount with right-hand drive.
The LiftMaster MJ5011U provides a compact, safe, and dependable solution for commercial overhead door applications. Its universal mounting design, built-in controls, monitored safety system, and emergency manual operation make it a practical choice for warehouses, service facilities, storage buildings, and other commercial environments.
