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LiftMaster T Industrial-Duty Trolley Operator for Standard Lift Sectional Doors Model T is typically used for standard lift section doors. It features a low profile and industrial ball bearings on the output shaft. Depending on the requirements of the application, it is available in light, medium and industrial duty. |
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LiftMaster H Industrial-Duty Hoist Operator Model H is designed for use on rolling doors and grills as well as industrial sectional doors with high or vertical lift. 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. Available in light, medium and industrial duty to fit the application you need. |
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LiftMaster GH Heavy Industrial-Duty Gear-Reduced Hoist Operator Model GH is used on rolling doors and grills, as well as industrial sectional doors with high or vertical lift. It features a removable hinged electrical box cover and is easily field-converted in seconds for a left or right-handed drive and hoist. Available in light, medium and industrial duty to fit the application you need. |
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LiftMaster HCT Heavy-Duty High-Cycle Trolley Commercial Door Operator Model HCT is the ultimate high-traffic operatior, perfect for apartment houses and low-profile applications. Designed with many exclusive features, it includes a Security+® receiver, built-in electronic reversing device, heavy-duty track and keyed trolley assembly. HCT is most effective in high-traffic and low-profile applications offering durability, quiet operation and security.
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LiftMaster 3900 Light Duty Commercial Jackshaft Operator for Sectional Doors Model 3900 features a compact design that is ideal for tight spaces or obstructed ceiling installations. May be used on standard and high-lift sectional doors measuring up to 14' high and up to 18' wide (not to exceed 180 sq. ft. or 650 lbs.). |
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LiftMaster J Industrial Duty Jackshaft Operator Model J features a removable hinged electrical box cover, a continuous-duty, high-starting torque motor with instant reverse and overload protection, industrial ball bearings on the output shaft and a universal mount frame design. Available in 1/3, 1/2, 3/4 and 1 HP. |
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LiftMaster MJ Medium Duty Jackshaft Operator Model MJ features a compact design with a powerful high-starting torque 1/2 HP, 115 V single phase motor with instant reverse and internal automatic reset thermal overload, an adjustable friction clutch and a standard solenoid brake. |
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LiftMaster MT Medium Duty Trolley for Standard Lift Sectional Doors Model MT features a powerful 1/2 HP high-starting torque motor with instant reverse and internal automatic reset thermal overload, a compact design, quick-gliding rail spacers with exclusive nylon quiet gliding chain guides for quiet, smooth operation, and a quick-mount swivel header bracket which provides fast, swing-up installation. |
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Manaras MSL Heavy Duty Sliding Door Operator with Brake This operator features: continuous duty motor up to 1 HP; 5L V-belt, chain, and sprocket reduction; solenoid brake; #41 drive roller chain; door speed of 12"/second; adjustable friction clutch; dual heavy gauge, pre-drilled galvanized tracks; manual disconnect device; heavy duty reversing contactor; full overload protection and more! |
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Manaras MTBH Heavy Duty Trolley Operator with Brake This operator features: continuous duty industrial motor up to 1HP; 5L/B V-belt, chain, and sprocket reduction; solenoid brake; heavy duty 1: output shaft; ball bearings at all critical points; door speed of 12"/second; dual heavy-gauge pre-drilled galvanized tracks, up to 12' door height; rotary type limit switches; adjustable friction clutch; full overload protection, and much more! |
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Doorlec Model ET-3 Heavy Duty Trolley Type Ceiling Mount Operator This operator features a cast aluminum alloy chain driven carriage and slides on dual heavy steel angle tracks. Also has a full No. 65 push and pull roller chain for smooth and quiet operation. Operator may be stopped in any position and door moved up or down from that position. |
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Doorlec Model LJ/LJH Heavy Duty Jack-shaft Wall Mount Operator For overhead type doors with standard lift, high lift or vertical lift hardware, also for rolling service doors and grilles. LJ Model has a floor lever disconnect device which allows it to be disengaged from the door and operated by hand in the event of a power failure. LJH Model is essentially the same as LJ but equipped with hand "chain hoist", permitting manual operation of the door from floor, in case of a power failure. |
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Doorlec Model SD Heavy Duty Horizontal Single-Sliding Operator SD electric door operator is suitable for any single sliding industrial or fire door up to 400 sq. ft in area. It has a quick disconnect arm, spring loaded and can be disengaged from floor in the event of power failure. Fusible link is provided when used with sliding fire door. |