J – Industrial Duty Jackshaft
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…
MJ – Medium-Duty Jackshaft
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…
MGJ – Medium-Duty Gear-Reduced Jackshaft
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,…
LGJ – Light-Duty Gear-Reduced Jackshaft
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…
Liftmaster 3900 – Light-Duty Commercial Jackshaft
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…