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Linear J 5011 Heavy-Duty 1/2hp Jackshaft Commercial Door Operator

Linear J 5011 Heavy-Duty 1/2hp Jackshaft Commercial Door Operator
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This item is discontinued.
Please view this replacement item:
PowerMaster Model J Commercial Door Operator with High Starting Torque Motor
This item is discontinued. Please view this replacement item:
Product Description

Check out the J Series of jackshaft commercial door operators at North Shore Commercial Door. Built for vertical and high lift sectional doors, the LiftMaster J5011 manual jackshaft commercial door operator is just one of the great products in this series. With the J5011, you get to choose whether you want to upgrade your purchase to include add-ons like safety beams and remote radio controls. If you have any questions about this product, simply use our "Questions" app below to get fast answers from other users and our staff.


  • Item Number: LINEAR-J
  • Heavy-Duty Jackshaft Commercial Door Operator by Linear Pro Access
  • Heavy-duty jackshaft garage door operator for vertical and high lift sectional doors
  • Maximum duty cycle: 25 cycles per hour, 100 cycles per day
  • Maximum door height: 24-ft.
  • Solid-state (up to 3/4 HP) control circuit
  • Class 2 (24-Volt) control circuit with OPEN, CLOSE, and STOP push-button station
  • OPEN button (and single button) will automatically override down travel and reverse door to the fully open position
  • Constant pressure required to close if no entrapment devices are installed
  • Heavy gauge, powder-coated, all-steel frame
  • Powder-coated steel control box
  • All sprockets and pulleys pinned or keyed, solid steel drive shafts
  • Floor-level engagement and disconnect for manual door operation
  • Adjustable friction clutch
  • Heavy duty flange bearings on output shaft
  • # 50 drive sprocket and chain
  • Solenoid brake standard
  • Motor overload protection 
  • High-starting torque, continuous-duty motor
  • Wired to connect with most types of reversing devices
  • Safety beams and remote radio controls are optional
  • Fully adjustable, internal, shaft driven limits
  • Manual operation will not affect limit switch settings
  • Three-button station wired to a 24-Volt control circuit
  • UL and Canadian UL Listed
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Ask a Question
QUESTION: I have a 14ft x 18 insulated door steel what opener will work? by Todd S 2/26/2016
STAFF ANSWER: Please give us a call 800-873-6112 Ext 13 and ask for Tyler by Taylor M a
QUESTION: what size do i need for a 14 by 14 door? by None N 11/25/2014
STAFF ANSWER: This will work on a 14 X 14 door by Matthew O a
Product Manual