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Snap Action, Limit Switches

Snap action, limit switches are powerful input devices used for various industrial and commercial applications. These switches are designed to sense the pressure of a button, finger, lever, or mechanical apparatus, and react quickly when the button is pressed or lever is operated. Switches are used to control the flow of electricity, activate the circuit in an automated process, or indicate a predetermined level or condition.

The 311SM71-T is a snap action limit switch manufactured by TE Connectivity. This product is used for various industrial and commercial applications, such as handling machinery, conveyor machinery, construction equipment, and power-generating machinery. Its primary purpose is to establish a reliable, secure connection between two or more components while maintaining safety.

The 311SM71-T is classified as a magnetic reed switch. Magnetic reed switches are designed to detect the presence and absence of a magnetic field in order to control a circuit. A magnetic reed switch consists of a pair of contact points inside a small glass tube and a magnet outside the glass tube. When the magnet approaches the switch, the contact points inside the glass tube close, allowing current to flow. Otherwise, the contact points remain open and no current can flow.

The 311SM71-T is specifically designed to detect the presence and absence of a magnetic field. It is especially suited for use in industrial machinery as it is shock resistant, vibration resistant, and capable of operating up to a maximum temperature of 100° C (212° F). The switch is made from a variety of materials, such as stainless steel, brass, or nickel. Additionally, it is rated for over a million durable operations, making it perfect for applications where safety and reliability are critical.

When a magnet is brought near the 311SM71-T limit switch, the contact points within the glass tube close and electricity can flow through the switch. This action is known as "snap action", which refers to the switch\'s ability to quickly and reliably react to changes in the surrounding environment, such as the presence or absence of a magnetic field. This feature makes it an ideal choice for industrial automation applications.

The 311SM71-T is a reliable, durable, and cost-effective limit switch designed to meet the specifications of a wide variety of industries. Its magnetic reed switch design ensures a reliable and secure connection between two or more components, making it perfect for applications where safety and reliability are essential.

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