Product Category: Commercial Openers
Liftmaster MJ 5011
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.
Liftmaster GH 5011
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.