LiftMaster MGJ Medium-Duty Logic Gear-Reduced Jackshaft Operator Intercom Systems True battery back-up

True battery back-up

No annual activation fee is required

Apollo SG-4 is a solar charge controller and regulator to use for solar applications with Apollo 20 watt solar panels or higher

the efficiency and durability of hydraulic systems are paramount

LiftMaster MGJ Medium-Duty Logic Gear-Reduced Jackshaft Operator Intercom Systems True battery back-upLiftMaster 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