<p>Limit Switches are generally used to control machinery in industrial applications. They act as a safety interlock and can be used to establish or disrupt electrical connections. This Honeywell Limit Switch is used in packaging equipment and special machinery. This switch is also used in conveyors and printing trades machinery.</p><p>OP-AR30 Limit Switch from Honeywell has cast aluminum housing and mounts from four sides. It also comes with over seal, captive cover screws, momentary contact, grounding screw and wide choice of actuators.</p>