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Commercial Garage Door Openers

Lift Master Openers | Linear Openers

   
Lift Master Openers
Trolley Operators
APT
Low-Profile Apartment House Trolley Operator

Model APT is a low-profile apartment house operator that features a resilient-mount motor, low-profile design, industrial ball bearings on the output shaft, and quiet-gliding rail spacers.
ATS
Light-Duty Trolley Operator

Model ATS is an advanced trolley system light-duty trolley operator. It features an automatic safety reverse and door stop, a maximum run timer, a heavy-duty "I-beam" configured trolley track, and an auto-reconnect trolley.

GT
Heavy Industrial-Duty Trolley Operator for Standard Lift Sectional Doors

Model GT is a heavy industrial-duty trolley operator for standard lift sectional doors. It features a continuous-duty high-starting torque motor, quiet-gliding rail spacers, a quick-mount swivel header bracket and a removable hinged electrical box cover.

MT
Medium Duty Trolley Operator for Standard Lift Sectional Doors

Model MT is a Medium-Duty Logic trolley operator for standard lift sectional doors. It features a high-starting torque motor, a compact design, quicket-gliding rail spacers and a quick-mount swivel header bracket.

T
Industrial-Duty Trolley Operator for Standard Lift Sectional Doors

Model T is an industrial-duty trolley operator for standard lift section doors. It features a low profile and industrial ball bearings on the output shaft.

 

 

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Hoist Operators
MH
Medium-Duty Hoist Operator

Model MH is a Medium-Duty Logic hoist operator. It features an adjustable friction clutch, a standard solenoid brake, a high-starting torque motor, a compact design and an emergency chain hoist with an electric interlock.

HJ
Industrial-Duty Hoist/Jackshaft Operator

Model HJ is an industrial-duty hoist/jackshaft operator for use on rolling doors, grilles, and industrial sectional doors with high or vertical lift.
DHJ
Industrial-Duty Hoist/Jackshaft Operator with Internal Door Lock Sensor

Model DHJ is a industrial-duty hoist/jackshaft operator with internal door lock sensor for use on rolling doors and grilles.
GH
Heavy Industrial-Duty Gear-Reduced Hoist Operator

Model GH is a heavy industrial-duty gear-reduced hoist operator. It features a removable hinged electrical box cover and is easily field-converted in seconds for a left or right-handed drive and hoist.
MHS
Slow-Speed Hoist Operator for Rolling Sheet Doors

Model MHS is a slow-speed hoist operator for use on rolling sheet doors. It features Medium-Duty Logic technology and provides easy emergency manual operation using a floor level disconnect or an electrically interlocked chain hoist.
H
Industrial-Duty Hoist Operator

Model H is an industrial-duty hoist operator. It features a continuous-duty high-starting torque motor, a universal-mount frame design, industrial ball bearings on the output shaft and an emergency chain hoist with an electric interlock.
DH
Industrial-Duty Hoist Operator with Internal Door Lock Sensor

Model DH is an industrial-duty hoist operator with an internal door lock sensor. It features a removable hinged electrical box cover, a continuous-duty high-starting torque motor, a universal-mount frame design, and an emergency chain hoist with electric interlock.


MGH
Medium-Duty Gear-Reduced Hoist Operator

Model MGH is a medium-duty gear-reduced hoist operator for use on small rolling doors and grilles and industrial sectional doors with high or vertical lift.
GH5HP
5 HP Heavy Industrial-Duty Gear-Reduced Hoist Operator

Model GH5HP is a heavy industrial-duty gear-reduced hoist operator. It features a continuous-duty 5 HP brake motor, removable hinged electrical box cover and a specially-designed manual hoist gear system.

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High Cycle Trolley Operators
HCT
Heavy-Duty High-Cycle Trolley Commercial Door Operator

Model HCT is a heavy-duty, high-traffic operator designed with many exclusive features, including a Security+® receiver, built-in electronic reversing device, heavy-duty track and keyed trolley assembly.

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Jackshaft Operators
3900
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.
LGO
Light-Duty Grille Jackshaft Operator

Model LGO is a light-duty grille jackshaft operator. It features a compact design, a high-starting torque motor, an internal door lock sensor and a floor level disconnect, which is ideal for emergency egress.
MJ
Medium-Duty Jackshaft Operator

Model MJ is a Medium-Duty Logic jackshaft operator. It features a compact design, an adjustable friction clutch, a standard solenoid brake and a high-starting torque motor.
DJ
Industrial-Duty Jackshaft Operator with Internal Door Lock Sensor

Model DJ is an industrial-duty jackshaft operator with an internal door lock sensor. It features a removable hinged electrical box cover, a continuous-duty high-starting torque motor, industrial ball bearings on the output shaft and a universal-mount frame design.

LGJ
Light-Duty Gear-Reduced Jackshaft Operator for Rolling Grilles and Shutters

Model LGJ is a light-duty gear-reduced jackshaft operator for rolling grilles and shutters. It features an internal door lock sensing circuit, a compact design and a floor level disconnect.

MGJ
Medium-Duty Gear-Reduced Jackshaft Operator for Rolling Grilles and Shutters

Model MGJ is a Medium-Duty Logic gear-reduced jackshaft operator for rolling grilles and shutters. It features a compact design, a floor level disconnect, a high-starting torque motor and a heavy-duty wormgear reducer.
J
Industrial Duty Jackshaft Operator

Model J is an industrial-duty jackshaft operator. It features a removable hinged electrical box cover, a continuous-duty high-starting torque motor, industrial ball bearings on the output shaft and a universal mount frame design.
EGJ
Damp Environment Operator

Model EGJ is a damp environment operator. It features a high-cycle capacity, a compact design, requires no chains or sprockets on sectional doors, handles tough environmental conditions and includes a dynamic brake.

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Slide Operators
GSD
Heavy Industrial-Duty Door Operator for Single and Bi-Parting Doors

Model GSD is a heavy industrial-duty door operator for single and bi-parting doors. It features a continuous-duty high-starting torque motor, a standard solenoid brake, and an emergency disconnect for manual operation.

SD
Industrial-Duty Door Operator for Single and Bi-Parting Doors

Model SD is a heavy industrial-duty door operator for single and bi-parting doors. It features a solenoid brake, heavy-duty hanger brackets and a durable disconnect mechanism.

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Fire Door Release Device System
Fire Door Release Devices
LiftMaster® offers a choice of three different models for both motorized and non-motorized applications. Each model can be customized with accessories and options to provide added features and flexibility to upgrade your system.

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Linear Openers
Trolley

LT 50
Light-Duty Trolley-Model LT50
Maximum Door Height:  12 Feet.
Maximum Door Weight:  400 Pounds.
1/2 HP.

For operation of standard-lift sectional doors.  Maximum recommended duty cycle is 6 cycles per hour.

M50D
Standard-Duty Trolley-Model M50D
Maximum Door Height:  14 Feet.
Maximum Door Weight:  500 Pounds
1/2 HP.

For operation of standard-lift sectional doors.  Maximum recommended duty cycle is 10 cycles per hour.

T
Heavy-Duty Trolley-Model T
Maximum Door Height:  22 ½ Feet.
Maximum Door Weight:  900 Pounds.
1/3 HP, 1/2 HP &  3/4 HP.

For operation of standard-lift sectional doors.  Rated for continuous duty operation.

AUD
Extended-Duty Trolley-Model AUD
Maximum Door Height:  22 ½ Feet.
Maximum Door Weight:  900 Pounds.
1/3 HP, 1/2 HP &  3/4 HP.

For operation of standard-lift sectional doors.  Rated for continuous duty operation.

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Jackshaft

M50J & M50H
Standard-Duty Jackshaft w/Disconnect - Model M50JH
Standard-Duty Jackshaft w/Hoist - Model M50JH Maximum Door Height:  14 Feet.
Maximum Door Weight:  500 Pounds
1/2 HP.

For operation of vertical or high-lift sectional doors.  Maximum recommended duty cycle is 10 cycles per hour.

J & H
Heavy-Duty Jackshaft w/Disconnect-Model J
Heavy-Duty Jackshaft w/Hoist - Model H
Maximum Door Height:  22 ½ Feet.
Maximum Door Weight:  900 Pounds.
1/3 HP, 1/2 HP &  3/4 HP.

For operation of vertical or high-lift sectional doors.  Rated for continuous duty operation.

AUJ & AUH
Extended-Duty Jackshaft w/Disconnect - Model AUJ
Extended-Duty Jackshaft w/Hoist - Model AUH
Maximum Door Height:  22 ½ Feet.
Maximum Door Weight:  900 Pounds.
1/3 HP, 1/2 HP &  3/4 HP.

For operation of vertical or high-lift sectional doors.  Rated for continuous duty operation.

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Gearhead

GT
Extra Heavy-Duty Gear Trolley-Model GT
Maximum Door Height:  22 1/2 Feet.
Maximum Door Weight:  1100 Pounds
1/2-3/4-1 HP.

For operation of standard-lift sectional doors.  
Rated for continuous duty.

MO
Extra Heavy-Duty Gear Hoist-Model MO
Maximum Door Height:  24 Feet.
Maximum Door Weight:  1100 Pounds.
1/2, 3/4, 1, 1 1/2, 2 HP

For operation of vertical or high-lift sectional doors and rolling steel doors.  

Rated for continuous duty operation.

MGH
Standard-Duty Gear Jackshaft-Model MGH
Maximum Door Height:  18 Feet.
Maximum Door Weight:  900 Pounds.
1/3, 1/2 HP.

For operation of vertical or high-lift sectional doors, and rolling curtain doors.  

Rated for continuous duty operation.

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