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Medium-Duty Commercial Door Operators
Ideal for increased door weight and frequency of cycles, LiftMaster medium-duty commercial door operators make a strong addition to any facility.
Medium-Duty Operators in the LiftMaster line are limited to 12 cycles per hour and 50 cycles per day. They are generally used for doors that are medium weight or moderately heavy. Exceeding a unit’s cycle specifications can result in a decrease in unit longevity.





Medium-Duty Jackshaft Operator
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For use on smaller, lighter commercial doors with mid-range duty-cycle requirements.
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Rated duty cycle: Maximum 12 cycles per hour.
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Less than 50 cycles per day.
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Floor level disconnect disengages operator manual lifting in an emergency.
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Wall mount for high or vertical lift sectional doors.
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Small rolling doors and grilles.
Medium-Duty Slow-Speed Hoist Operator
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For use on rolling sheet doors which require slower speeds.
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Rated duty cycle: Maximum 12 cycles per hour.
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Less than 50 cycles per day.
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Slow speed operation with electric interlock and chain hoist for manual operation in an emergency.
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Wall mount for small rolling sheet doors.
Medium Duty Gear Reduced Jackshaft Operator
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For use on mid-range duty-cycle applications when specifications require a gearhead reducer.
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Rated duty cycle: Maximum 12 cycles per hour.
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Less than 50 cycles per day.
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Wall mount for high or vertical lift sectional doors or small rolling doors and grilles.
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Floor level disconnect disengages operator for manual lifting in an emergency.
Medium-Duty Hoist Operator
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For use on smaller, lighter commercial doors with mid-range duty cycle requirements.
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Rated duty cycle: Maximum 12 cycles per hour.
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Less than 50 cycles per day.
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Wall mount for high or vertical lift sectional doors or small rolling doors and grilles.
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Chain hoist with electric interlock for manual operation in an emergency.
Medium-Duty Trolley Operator
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For use on standard-lift sectional overhead doors with mid-range duty-cycle requirements.
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Rated duty cycle: Maximum 12 cycles per hour.
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Less than 50 cycles per day.
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Suspends from ceiling directly attaches and controls a sectional door.
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Trolley with disconnect disengages operator for manual lifting in an emergency.
