Commercial
Garage Door Openers
LiftMaster® and Manaras® operators are offered to ensure the best match for your application. Built to work with 1 or 3 phase electrical systems in a variety of voltages up to 600 Volts. Trolley and Jackshaft type operators are adaptable to almost any overhead door system.
Trolley Lifts
Liftmaster MT
Medium-Duty Logic Trolley Operator
The Model MT door operator is for use on standard lift sectional doors. Recommended duty cycles up to 12 per hour.
- Powerful 1/2 HP, 115V single-phase motor with instant reverse, capacitor start, and overload protection
- Spring-loaded disconnect for emergency manual operation
- Solid-state Medium-Duty Logic circuit board
- 24V NEC Class 2
- Wiring is factory present to C2 mode; B2 mode available option
- First-stage heavy-duty 4L V-belt; second and third stages #48 chain
- Heavy-duty oil-filled bushings
- Adjustable friction clutch helps protect against damage to the door and operator
- 3-button station for open/close/stop functionality
- 315 MHz radio receiver is integral to the Medium-Duty-Logic board
- NEMA 1 type electrical box
- High-strength dual L-rail track with exclusive nylon quiet-gliding chain guides on rail spacers
Warranty
Liftmaster GT
Heavy Industrial-Duty Trolley Operator
The Model GT continuous-duty door operator is for use on standard lift sectional doors.
- Continuous-duty high-starting torque motor with instant reverse, capacitor start, and overload protection
- Quick mount deader bracket
- Spring-loaded disconnect for emergency manual operation
- Wiring is factory present to C2 mode
- Drive reduction 10:1 first-stage using heavy-duty gears running in oil bath
- Heavy-duty solenoid-actuated brake
- Sealed roller bearings in gear reducer
- Heavy-duty torque limiter helps protect against major damage to door and operator
- High-strength dual L-rail track with exclusive nylon quiet gliding action
- 3-button station for open/close/stop functionality
- 315 MHz radio receiver on Logic 3.0
- NEMA 1 type electrical box
Warranty
Jackshaft Lifts
Liftmaster 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.
- Powerful 1/2 HP, 115V single-phase motor with instant reverse, capacitor start, and overload protection
- Door lock sensing circuit
- Easy emergency manual operation and floor level disconnect
- Solid-state circuit (G2) with door lock sensing circuit
- 24V NEC Class 2
- Easily wired for C2 or B2 mode
- Heavy-duty wormgear-in-oil-bath speed reducer
- 3-button station for open/close/stop functionality
- NEMA 1 type electrical box
Warranty
Liftmaster 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 otor, industrial ball bearings on the ouput shaft and a universal mount frame design.
- Continuous-duty high-starting torque motor with instant reverse, capacitor start, and overload protection
- First-stage heavy-duty 5L V-belt; second and third stages #48 chain; #50 drive chain
- Easy emergency manual operation and floor level disconnect
- 5V DC NEC Class 2
- Wiring is factory present to C2 mode
- Adjustable friction clutch helps protect against damage to the door and operator
- Self-locking mechanical reduction system
- Industrial ball bearings on a 1" output shaft
- 3-button station for open/close/stop functionality
- 315MHz radio receiver on Logic 3.0
- NEMA 1 type electrical box
