MJ Jackshaft

Medium-Duty Commercial Door Operator

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Floor Level Disconnect

The MJ Jackshaft commercial door operator is created as a wall mount, ideal for small, lighter commercial doors. The Jackshaft also allows for floor level disconnect for emergencies.

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  • 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
    • recognized Security+ and dip switch remote controls
    • Compatible with 3-button, 3-color remote controls for open close/stop operation. (333LM)
  • 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 full open position. 
  • Emergency Manual Operation floor level disconnect enables emergency manual operation. 
  • The Commercial Protector System auto-reverses the closing door if an entrapment protection device detects an obstruction.
  • High-starting torque motor with overload protection.
  • Warranty for 2 years.