LiftMaster Exterior Air Switch, SPDT | LIF-50-101 liftmaster K72-34845 Magnetic Autocontrol Barrier Arm Skirt

Magnetic Autocontrol Barrier Arm Skirt 15' (Installed) | MAG-GS02_15

LiftMaster Frame | LIF-73-18457

LiftMaster K-MH5011UR

Other thicknesses are available - see the ordering chart below

This release device is designed for manual doors or motorized doors incorporating a reversing electric safety edge to create an automated door closing system

LiftMaster Exterior Air Switch, SPDT | LIF-50-101 liftmaster K72-34845 Magnetic Autocontrol Barrier Arm SkirtLiftMaster Exterior Air Switch, SPDT LIF 50 101 The LiftMaster Exterior Air Switch, SPDT, offers a simple and robust solution for vehicle detection, complementing the safety provided by a system's sensing edges by providing the activation signal for a gate or commercial door. Also known as: 50 100 501012 000000000000501012 Standard Edge: A standard 2 wire edge will cause a door to reverse when it meets an obstruction while closing if the operator has