AGL4021

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Snap Action, Limit Switches: AGL4021 Application Field and Working Principle

Snap action limit switches are foundational components for machines and systems used in a variety of industries. These components are made with intuitive features that allow the switch to respond quickly and accurately to mechanical movement, providing reliable and repeatable results. The AGL4021 limit switch from TE Connectivity is an example of one of these devices and has been engineered with a wide range of features to provide a variety of technical benefits. That being said, it\'s important to consider its application field as well as its working principle before implementing this switch into any system.

Application Field

The AGL4021 limit switch is a two-circuit, slow-action, snap-action switch. This makes it particularly ideal for such applications as lighting, HVAC, energy management, machine tools, test-and-measurement, and other areas where a reliable and accurate switch is needed. It is designed to work in environments with temperature limits ranging from -25°C to +125°C and humidity ranges up to 65% relative humidity. Additionally, this device is rated IP67 and can be lightly submerged in water or other liquids as long as the liquid is not contaminated with asbestos, oil, or solvents. The AGL4021 also features a DIN-Rail mount for easy installation and a variety of actuator options, including plunger, roller lever, and flap lever.

Working Principle

The AGL4021 limit switch is designed with a snap-action mechanism. This means that the switch contacts are actuated quickly when a certain amount of push or pressure is applied to them. Depending on the design of the actuator, this snap action occurs at 30-70% of the full operating force, meaning that the switch is ready to sense the slightest movement and react accurately. Furthermore, the AGL4021 is designed to be reliable and repeatable with low-tolerance contact gaps that are designed to precisely measure any changes in pressure and react within milliseconds. This ensures a reliable and accurate switch that can be used in a range of different applications.

Conclusion

The AGL4021 limit switch by TE Connectivity is designed to provide reliable and accurate results in a range of different applications and environments. Its snap-action mechanism allows the switch to respond quickly to changes in pressure and the low-tolerance contact gaps allow for accurate measurements within milliseconds. Its wide range of features and the ability to be mounted on a DIN-Rail make it an ideal choice for a variety of industries. All of these features combine to provide a reliable and accurate switch for a number of different projects.

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