LiftMaster MJ5011U Medium-Duty Logic Jackshaft Operator
The LiftMaster MJ is ideal for small rolling steel doors/grilles and high or vertical-lift sectional overhead doors in medium duty-cycle commercial applications where a manual hoist is not required. Medium-Duty cycles up to 12 cycles/hour and up to 50 cycles/day (using intermittent-rated motor).
Please note
The following options are mandatory to purchase a Commercial Door Operator, any order not containing these options will not be processed:
- Door Type
- Chain Kit for Door Height
- Safety Eye/Edge
- FREE Digital Multimeter
If you need more information or a custom configuration, please call our technical support team at (800) 730-8382.
This product is a special order only and it is not eligible for returns or refunds.
Make sure to calculate the door area to ensure compatibility*
Includes
- 3-Button Station 02103
- Brake
Features
- Operator Speed: 8-9 Inches per second
- Limit Settings: Mechanical
- Emergency Disconnect for Manual Operation: Floor-level emergency release sash chain
- Emergency Disconnect with Auto-Reconnect: Reconnects when tension is removed from the emergency release sash chain
- Programming: Tactile buttons
- Circuit Board: Solid-state medium-duty logic circuit board
- Timer-to-Close: Programmable from 5-60 seconds in 5-second increments
- Clutch: Standard adjustable friction clutch
- Motor Operator Wall Control: 3-Button control station
- Push Button Station: 3-Push button station (Open/Close/Stop)
Installation Features
- Maximum Door Height: 14 feet standard with additional capability
- Maximum Door Weight: 22 feet
- Maximum Allowable Square Footage: 320 square feet
PROVEN PERFORMANCE
Medium-Duty Logic programmable integrated circuit board.
Built-In 3-Channel Security+ Receiver:
- Allows you to learn/program up to 20 LiftMaster 315 MHz remote controls.
- Recognizes Security+ and dip switch remote controls.
- Compatible with 3-button, 3-color remote controls for open close/stop operation.
SAFE AND SECURE
- Integrated Timer-To-Close (TTC) programmable from 5 to 60 seconds in 5-second increments. Allows for timed automatic door closure after the door reaches the fully open position.
- Emergency Manual Operation provides easy emergency manual operation using a floor level disconnect and an electrically interlocked chain hoist mechanism.
- The Commercial Protector System auto-reverses the closing door if an entrapment protection device detects an obstruction.
RELIABLE
- High-starting torque motor with overload protection.
- Warranty: 2 years
* Please refer at the table below to ensure compatibility
Product Literature
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ Product Guide
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ Data Sheet
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ Drawing
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ Quick Start Guide
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ User's Guide
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ Installation Manual
- LiftMaster Medium-Duty Jackshaft Commercial Door Operator MJ Owner's Manual
Find answers to our most frequently asked questions below. Got more questions? Reach out to our friendly customer service team, they will be more than happy to assist you.