Description

The Model MH Medium Duty Lift Operator is for small rolling doors, grilles, and industrial sectional doors that have high or vertical lift. 115 volt 1 O. The three-button push-button control station, which has Open/Close/Stop functions is standard for all operators. There are three button options: one, two, and three. The Maintenance Alert System notifies you when your Commercial Door Operator needs routine maintenance. The NEMA Type 1 electric box is powder coated and durable enough to be used in most applications. Heavy-duty, oil-filled bushings. Mounts on either the right or left side of the door. There are no rails to hang – the Door Operator mounts on the wall, attaches to door shaft via chain and sprocket, and then screws to it. The Door Operator electromechanical limit system makes it easy to install and adjust the door shaft, even in case of power loss. Time-to-Close can be programmed in either one-second increments or fifteen-second increments. Two-year LiftMaster warranty provides peace of mind. It has an adjustable friction clutch, standard solenoid brake and a high-starting torque engine. An electrical interlock is used to lock the emergency door. 3-channel radio receiver on board. Fully adjustable 3-button control station with linear-driven limit mechanism. Meets all UL325 requirements. Patented Security+ radio technology can accept 20 remote controls and an unlimited number of DIP switches remote control. The Door Operator and door are protected from damage by the Adjustable Friction Clutch. To prevent door operator and door damage, signalizes the door to reopen or stop if the closing time exceeds the maximum door travel. Easy emergency manual operation via easily accessible disconnect

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The Model MH Medium Duty Lift Operator is ideal for small rolling doors, grilles, and industrial sectional doors that have high or vertical lift.