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3900 LiftMaster Light Duty Commercial Jackshaft Garage Door Opener

List Price: $299.95   Add to cart to see SALE price

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Sku: 398LM LIFTMASTER SMART CONTROL PANEL

3900 LiftMaster includes:

  • 1 SINGLE APBS PUSH BUTTON STATION
  • CABLE TENSION MONITOR
  • THE PROTECTOR SYSTEM ® SAFETY SENSORS
  • PUSH BUTTON LIMIT SETTINGS
  • QUICK-CONNECTTM TERMINALS
  • 6-FOOT POWER CORD

The Model 3900 door operator is designed for light-duty commercial sectional applications only. It may be used on standard vertical and 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. Maximum recommended duty cycle: 10 cycles per hour.

The 3900 is NOT compatible with low headroom applications. Please contact us prior to purchase if you are unsure.

Top clearance: 3 1/2 " from center of torsion shaft to the top of the operator. Side clearance: 8” minimum required Approximately 1 ½” shaft exposed beyond bearing plate required to attach coupler.

 Unit physical dimensions 16 ½”L  x 7”W x 6 ¾”D. 

-Compact design ideal for limited height cathedral or obstructed ceiling installations

-Wall mount installation - mounts on the left or right side of door and attaches to the door tension bar

-Heavy-duty 24VDC motor provides ultra-quiet operation along with variable speed smooth start and stop

-UL325 compliant

-Approximate shipping weight: 27 lbs.