83262025

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83262025 application field and working principle

Snap Action, Limit Switches are versatile and reliable electromechanical devices designed to open or close electrical contacts under specific conditions. They are typically used to detect and to actuate the movement of various mechanical parts and to protect motors, pumps and other mechanical and electrical components from damage by over-current, high pressure and over limitation.

Applications

A Snap Action, Limit Switch is used commonly to detect the movement of a mechanical component. They are used in almost all types of industrial machinery, from motors and pumps to grinding machines, packaging machines and automation. They are also widely used in building automation and security systems.

Snap Action, Limit Switches have been proven to provide reliable and cost-effective means of detecting limit positioning and speed control, limiting the operation of hydraulic and pneumatic cylinders and devices, activating machine and transfer process, controlling flow and pressure, and providing overload and over temperature protection.

Working Principle

A Snap Action, Limit Switch utilises an internal switch mechanism that opens or closes an electrical contact when the mechanical component to which it is connected moves to or from a specific point. The movement of the component causes an internal hammer to strike a contact and move it away from or towards the contact point. When the contact point is open, the electrical circuit is interrupted, but when the contact point is closed, the electrical current is allowed through.

An important feature of the Snap Action, Limit Switch is its ability to repeatedly open or close as the component moves and then returns to its starting position. This feature allows for precise control over the start and stop of a machine or process, and enables alarms and safety shut-off functions to be triggered when the movement exceeds certain thresholds.

Conclusion

Snap Action, Limit Switches are used in an extremely wide range of applications and provide a reliable, cost-effective way to detect the movement of a mechanical component and to protect machines and electrical components from damage. They can be used to limit the operation of hydraulic and pneumatic devices, activate and control machine and process operations, control flow and pressure, and provide overload and over temperature protection.

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