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Snap action switches are available to serve wide applications in both industrial and consumer markets. They are widely used for a range of applications such as home security systems, commercial process controls, and other functional controls. The most common type of snap action switch is a limit switch which is used for controlling the functioning of various electrical appliances.

A limit switch is a type of switch which limits the movement of a mechanism by opening or closing an electrical circuit at a certain point. A snap action limit switch is used to reduce mechanical movement, to limit the speed of an object, to stop the controller if the object passes its set point, and to adjust the power setting of an object.

The basic working principle of a snap action limit switch is to apply a force or a signal to open or close a circuit at a point or when a predetermined point is reached. These switches use a plunger or a lever arm to detect a physical contact and push the switch to activate the triggering of a signal. The plunger or lever arm is triggered when a particular force is applied to the switch itself.

When the force is applied, the plunger or lever arm is moved and sends a signal to the switch which in turn opens or closes a circuit, depending on what was predetermined by the engineer. When the object passes the predetermined point, the limit switch will detect the contact and will release the signal enabling the circuit to open or close.

A snap action limit switch is an example of a mechanical device which works perfectly in the switching of loads in the industrial automation processes. Their construction is robust and typically long lasting, being mounted on the same panel where the circuit breaker is located. They are available in various designs, ranging from basic switches to those which are capable of supporting a variety of special functions such as adjustable limits, adjustable speed, adjustable acceleration, and adjustable force.

In comparison to the traditional switches, these snap action limit switches are faster and offer improved reliability when it comes to emergency response and initiating the appropriate action. As the switch can be customised to suit the requirements of the application, it is an ideal solution for a wide range of industrial automation and process control applications. Furthermore, their robust construction ensures that they offer greater reliability and durability as compared to the traditional switches.

In conclusion, snap action limit switches are versatile, efficient, and reliable components of industrial automation systems. Manufactured in a variety of designs and ratings, they are capable of serving a wide range of applications in both industrial and consumer markets. These switches are capable of detecting a particular force and triggering the appropriate action, making them an ideal choice for the switching of loads in the industrial automation processes.

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