Jackshaft Operators from Chamberlain LiftMaster

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Home > Products > Commercial Door Operator Systems > Jackshaft Operators

Jackshaft operators are designed for use on rolling grilles and shutters as well as rolling doors. Some operators are also designed for use on industrial sectional doors with high or vertical lift. Jackshaft operators are available in light, medium, industrial and heavy industrial-duty.


		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.


		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.


		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.


		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.


		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.


		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.


		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.


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