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3900

Light-Duty Commercial Jackshaft Operator for Sectional Doors is rated 5.0 out of 5 by 3.
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The Model 3900 is designed for use on light-duty commercial standard and high lift (5 ft. high lift max) sectional doors. Maximum recommended duty cycle: 10 cycles per hour.

All LiftMaster Openers, Operators, and Systems should be purchased through a Dealer and professionally installed.

Features

  • 115 volt 1 Ɵ.
  • Control the Open/Stop/Close sequencing needs for your door operation with a single button control (SBC).
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Mount on the left or right side of the door. No rails to hang, the operator simply mounts on the wall and attaches to the door shaft through chain and sprocket. (3900 can mount directly to shaft)
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Ensure peace of mind with a lifetime motor warranty.
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • Protector System Safety Sensors.

California Residents: Proposition 65 WARNING

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Documentation

Accessories

Rated 5 out of 5 by from Superior Product I have 3 of these jack shaft openers and could not be happier. No center ceiling mount which results in a cleaner less cluttered garage presentation. The 3900 is a reliable sturdy and quiet opener which has served our family very well the past 3 years. Excellent Purchase!
Date published: 2017-11-29
Rated 5 out of 5 by from 3900 Door Opener I now have (2) 3900 openers on my Hot Rod garage and have been very satisfied with the product. There is no ceiling rail which works great for my high ceiling. The operation is quite and smooth. I plan to purchase an additional unit for the other door.
Date published: 2016-09-01
Rated 5 out of 5 by from Highly recommend this for the home! I've had two of these for about a year and couldn't be happier! They were easy to install and we're not much more than a higher end liftmaster opener! They are nearly silent during operation! Really nice system!
Date published: 2016-04-26
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