LiftMaster Medium-Duty Logic Trolley Operator Model:Trolley M-Duty MT5011U LiftMaster 20-3100C-4P

LiftMaster 20-3100C-4P

each unit is carefully inspected and mechanically tested to provide unsurpassed performance

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surface-mounted housing

LiftMaster Medium-Duty Logic Trolley Operator Model:Trolley M-Duty MT5011U LiftMaster 20-3100C-4PLiftMaster Medium Duty Logic Trolley Operator The LiftMaster MT is ideal for standard lift sectional overhead doors with mid range duty cycle requirements up to 12 cycles hour and up to 50 cycles day (using intermittent rated motor). This commercial door operator suspends from the ceiling and directly attaches and controls a sectional door. Trolley with disconnect disengages operator for manual lifting in an emergency. Please note The following