LiftMaster Opener Model MJ Atlanta

This Medium-Duty Logic jackshaft operator is the Model MJ. It includes an adjustable friction clutch, a compact design, standard solenoid brake and a g torque motor that is high-starting

  • Logic programmable integrated circuit board that is medium duty
  • Built-in 3-channel, 315MHz radio receiver that will accept up to 20 Chamberlain® Security+® or unlimited DIP switch remotes. Also features a 3-button remote that can be programmed for OPEN, CLOSE, or STOP operation
  • B2 or C2 wiring options that are programmable
  • Integrated Timer-to-Close (TTC) allows programming from 5 to 60 seconds (CPS®-L or CPS®-LN4 photo-eyes required)
  • Enhanced protection against transient overvoltage conditions
  • Monitored entrapment capability
  • Integrated 90-second maximum run timer
  • Includes a 3-button control station

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