LiftMaster MGJ Medium-Duty Logic Gear-Reduced Jackshaft Operator linear grd receiver The SR-2400 reader is metal

The SR-2400 reader is metal compensated

The 6-digit Master Code is used to prevent unauthorized access to the system

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LiftMaster MEGA-ARM Barrier Gate Operator

LiftMaster MGJ Medium-Duty Logic Gear-Reduced Jackshaft Operator linear grd receiver The SR-2400 reader is metalLiftMaster MGJ Medium Duty Logic Gear Reduced Jackshaft Operator The LiftMaster MGJ is ideal for small rolling steel doors grilles shutters and high or vertical lift sectional overhead doors in medium duty cycle commercial applications where a manual hoist is not required. Medium Duty cycles up to 12 cycles hour and up to 50 cycles day (using continuous rated motor). Please note The following options are mandatory to purchase a Commercial Door