Liftmaster 3900

Showroom: 26020 Glenwood Rd. - Perrysburg, Ohio 43551 - 419-874-4356

LiftMaster Model 3900

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Light-Duty Commercial Jackshaft Operator for Sectional Doors



Model 3900 is a light-duty jackshaft operator for light-duty commercial sectional applications only. It features a compact design ideal for limited height, cathedral, or obstructed ceiling installations. It may be used on standard and high-lift (maximum 7 ft. high-lift) sectional doors measuring up to 14 ft. high and up to 18 ft. wide, but not exceeding 180 sq. ft. or 650 lbs.
Motor: Heavy-duty 24VDC motor provides ultra-quiet operation, along with variable speed smooth start and stop.

Compact Design: Ideal for limited height, cathedral, or obstructed celing installations; mounts on the left or right side of door and attaches to the torsion bar.
Push Button Station: 1-button station for OPEN & CLOSE functions with type B2 control wiring is standard for all operators. Controls with 1, 2 and 3 buttons are available. 

The Protector System® Safety Sensors: A "non-contact" photo safety sensor designed to sense an obstruction and signal the door operator to reverse to open.

Warranty: Lifetime motor warranty.

Power Door Lock:
 Prevents the door from being manually forced open once fully closed.

EverCharge® Standby Power System: Operates the door operator for up to 20 full cycles within a 24 hour period.

Alternate Mounting Kit: Allows operator to be mounted below the torsion bar.

Remote Work Light: Adds 200 watts of light with adjustable light time delay; unlimited number of lights can be added.

Keyless Entry: Allows door to open or close by using a code programmed directly into the unit.