311SM702

311SM702 is a snap action limit switch made by TE Connectivity, a multinational manufacturer of connectivity and sensor products. This limit switch is designed to provide reliable electrical connections with long-life performance in an array of applications.

The Application Field of 311SM702

311SM702 is a versatile switch suitable for a wide range of applications including automotive, white goods, appliance, vending machine and HVAC applications. This limit switch provides reliable performance in applications such as on/off, light dimmers, humidifiers, boilers, door locks, light fixtures, and many more. Specifically, it is used in applications for safety functions such as preventing doors from opening too far, preventing overfilling of tanks, and controlling fan speed, as well as other applications that require a reliable switch.

The Working Principle of 311SM702

For most limit switches, the 311SM702 operates on a simple principle. The actuator of the switch is pushed or pulled upon reaching a limit, activating the switch and providing an electrical connection. This is known as the snap action effect, and it is the principal way this switch works. Inside the switch, a spring-loaded actuator is pressed against a set of contacts when the switch is pushed or pulled, making or breaking the electrical connection.

The 311SM702 includes a variety of settings for different applications and environments. It is available in a wide range of operating forces, from 0.5N to 5N, and with a variety of contact ratings, from 0.25A to 5A. It is also available with a variety of housings and contact materials, including silver Nickel, silver cadmium oxide, gold, and chrome. In addition, the switch is designed to be dust- and water-resistant, making it suitable for use in a variety of environments.

Overall

Overall, the 311SM702 is a reliable and versatile limit switch designed to provide reliable electrical connection in a range of applications. Its simple snap action operation allows it to easily respond to changing conditions, while its wide range of settings and contact materials make it suitable for a variety of environments and applications.