Item Type: Limit Switch Material: Metal plastic Weight: Approx. 500g/17.64oz Operating Temperature: -15 To 70 Package List 10 x Limit Switch 1Metal and Plastic Material: High accuracy manufacturing process, smoothing rollers, easy to install and long service life. 2Functions: Limit switches are used for mechanical control, as part of the control system, as a safety measure, interlocking or for counting objects passing through specific points. 3Working Principle: They are electromechanical devices, consisting of actuators mechanically connected to a set of contacts.When an object contacts the actuator, the limit switch operates the contacts to break or establish electrical connections. 4Main Advantages: One of the main advantages we have is that it is easy to install and has a certain resistance to corrosive environment. It can usually work under high voltage (0440V). The electrical noise as mechanical equipment will not affect it. 5Widely Used: Used in home appliances, audio, toys, mouse, business machines, communication equipment and other electronic equipment.