his is a replacement Brake Release Arm. For use with various LiftMaster® Commercial Door Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Gearhead style commercial door operators employ lubricated gears for heavy industrial high cycle applications.
GH-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
Hoist wheel is easily moved to Right or Left hand side of unit eliminating the need to order right or left hand mounting.
MyQ Technology enables you to securely monitor and control your facility operator with your smartphone tablet or computer. Internet Gateway 828LM required.
Security +2.0 radio receiver safeguards your facility - with every click a new code is sent to the commercial door operator so the door opens only for you.
Timer-To-Close: Conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
For use with various LiftMaster® and Chamberlain® DC Wi-Fi® Wall Mount Residential Jackshaft Garage Door Operators; powered by myQ® and manufactured 2023 to present
The unit will feature a yellow circle learn button
The direct drive operator consists of a DC electric motor directly coupled to a hollow shaft (30:1 reduction) worm gear reducer designed to install over keyed door shaft.
Continuous duty 0.5 HP 90 V DC 1750 rpm motor suitable for
110 to 240 V 1 PH and 60 Hz power supply.
Comes with integral absolute encoder to control the door travel
24 V 5 amps back-up battery pack and 3/8” ratchet socket to
accept and crank for manually operating the door in case of power failure
Programmable wall mountable UL325 compliant NEMA 4X control panel with LCD display and OPEN-CLOSE-STOP buttons on cover
Motor and controller: Continuous duty rated DC Motor with controller producing a powerful soft start/soft stop output of 2000 Newtons of force to drive commercial sectional doors while reducing mechanical impacts that cause premature wear of door components
NEMA 4X rated controller case: ZAP Controllers and push buttons are NEMA 4X compliant as a standard
Wiring type: C2 (factory default) B2 failsafe is standard with the addition of approved photo eye.
Radio control and external receiver terminals: Terminal strip provided inside the controller to provide quick convenient connections for adding external radio control receivers from any desired manufacturer
For use with various LiftMaster® Belt Drive and Chain Drive Garage Door Openers featuring myQ® technology dual light lenses and are not equipped with a video camera; manufactured after 2021 only
This replacement kit is compatible with the following models: 84501 84501-267 84602
H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.
The operators are typically mounted to the wall when used with larger sectional overhead doors with vertical or high lift and mounted to the wall or the front of the hood when used with rolling doors and grilles.
H operators are attached to the door jackshaft to indirectly drive the door.
MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone tablet or computer for greater peace of mind.
Alerts can be received as email or pop-up (push) notifications on a mobile device ensuring the status of your commercial door.
Security+ 2.0™ safeguards your facility – with every click a new code is sent to the commercial door operator so the door opens only for you.
This is installed onto the panel when the door is opened it is engaged and will keep the door open above the header so there is no hang down of the door.
The door will stay open above the header to eliminated the door being damaged.
Light curtain made up of a series of thru-beam photo eyes designed to provide a dense barrier of protection for motorized or high speed doors.
Ideal for environments that require expanded protection for protruding parts that may not be detected by standard single-beam photo eyes mounted 6" above the floor.
Ideal for pre-2010 installations not requiring a monitored solution.
Electromechanical sensing edge for use on Cornell doors.
•The MC22 is manufactured to exact specifications.
•The MC22 is completely flexible and will contour to curved surfaces.
•Touch sensitive signaling allows immediate reversing or stopping of motion.
•Temperature range: -30F to 155F
•Lead wire: 22 gauge universal
•Sensitivity: nominal 6-8 PSI
•2 wire NO configuration
•Vertical or horizontal mount
•One year warranty
R12 Insulation - Short Panel with vertical lines carriage style - Panels are spaced to not allow for decorative handles - Decorative hinges can be used - Available in steel white or black - A variety of decorative windows can be added - Custom colours can be factory painted - Multiple hardware configurations are available to accomodate site requirements
R16 Insulation - Narrow multi rib pattern - Available in steel (std colours) or aluminum (white and grey) - A variety of decorative windows can be added - Custom colours can be factory painted - Multiple hardware configurations are available to accomodate site requirements - Composite end blocks eliminates corrosion and wood deterioration
R12 Insulation - Woodgrain with 1 narrow shadow line at the top and bottom of each panel - Available in steel white or black - A variety of decorative windows can be added - Custom colours can be factory painted - Multiple hardware configurations are available to accomodate site requirements