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Snap Action

Snap Action, Limit Switches provide a versatile sensing solution for industrial applications. With a wide range of styles, switch designs, and contact ratings, they can be easily implemented into a variety of applications. The most common type of application using Snap Action switches is machine automation, but they can be found in industrial, automotive, marine and aerospace applications as well.

Snap Action switches are comprised of two main components: a switch mechanism and a contact block. The mechanism usually contains a spring, which gives it its distinctive “snap” action when actuated. The contact block is typically made of a hard material, such as stainless steel or brass, and houses the electrical contacts that are connected to or open when the switch is operated.

Working Principle

The working principle of Snap Action, Limit Switches is simple. When the switch is actuated, the spring compresses and the contact block moves into one of two positions. If the contacts are connected, electricity is allowed to flow through the switch and the switch is “closed”. If the contacts are open, no electricity is allowed to flow through the switch and the switch is “open”.

The contact block can be moved by a variety of forces, including gravity, pressure, and magnetic force. This makes Snap Action switches ideal for use in applications where space is limited or where the switch needs to be able to move without physical intervention. The most common type of switching force is mechanical, which is used to operate the snap action switch.

Snap Action, Limit Switches are also available in a variety of form factors, including ratcheting varieties, which prevent the switch from returning back to the open position after actuation. This is especially useful in applications requiring a “one-way” operation. The wide variety of Snap Action switches makes them extremely versatile and easy to implement into a variety of applications.

Application Field

Snap Action Switches are used in a variety of applications, including industrial, automotive and aerospace. They are typically used to detect the presence or absence of a moving object, to indicate the position of a switch or to act as a safety switch. In industrial applications, they are used to control machines and automated systems and to detect the presence of a person or other objects.

In the automotive industry, Snap Action Switches are used to control various features of the vehicle, such as the headlights, horn, and other safety features. In the aerospace industry, they are often used to control the flight controls, such as the speed, direction, and altitude.