LiftMaster MJ

Medium-Duty Jackshaft Operator

  • For use on smaller, lighter commercial doors with mid-range duty-cycle requirements.
  • Rated duty cycle: Maximum 12 cycles per hour
    • Less than 50 cycles per day.
  • Floor Level Disconnect disengages operator manual lifting in an emergency.
  • Wall mount for high or vertical lift sectional doors or small rolling doors and grilles.