In electrical engineering, a limit switch is a switch operated by the motion of a machine part or the presence of an object. They are used for controlling machinery as part of a control system, as safety interlocks, or to count objects passing a point. Features: Double circuit type of limit switch Highly rigid construction consists of intensive plastic and zinc cast (Head and cover snugly fit inbox) Small volume, water-proof, and oil-proof construction Built-in basic switch with a double spring mechanism, longer mechanical life Smooth operation with greater OT Easy-to-wire circuit opening design Specifications: Model NO.: TZ-8166 Type : Angle Limit Switch Switching Element: Speed Switch Contactless Type: Inductive Switch Max Current: 10A Max Voltage: AC/DC 250V Origin: China