31EN20-6

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Part Status:	Active

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31EN20-6 snap action limit switches deliver precise sensing and reliable operation. These actuated switches have a simple construction consisting of a reed contact enclosed in a hermetically sealed material housing. The 31EN20-6 can be used in a wide range of applications, from industrial to military and aerospace. This article will discuss the 31EN20-6 application field, working principle, and the advantages and disadvantages of using this type of limit switch.

Application Field

31EN20-6 snap action limit switches are typically used in robotic, industrial, military, and aerospace applications. In robotic applications, they are often used to detect a mechanical position and help guide the robot’s operation. In industrial applications, they are used to control and detect the flow of certain materials or liquids, and also to detect objects or movement.The 31EN20-6 snap action limit switch is designed for reliable operations in extreme conditions such as high temperature, high altitudes, high humidities and vibration. It also has a high speed response time, making it ideal for use in harsh environments where reliability and swift response are essential.

Working Principle

31EN20-6 snap action limit switches are normally open when the contacts are in a relaxed (non-activated) state. When the contacts are activated or “flipped”, they switch to a closed position. This “flipping” action is created by a metal arm attached to a piston inside the switch body. As the metal arm moves, it compresses a spring which activates the reed contact inside the switch, causing it to close.

Advantages and Disadvantages

The 31EN20-6 snap action limit switch offers many advantages, such as its small size, low power consumption, and fast response rate. It also offers reliable performance, even in locations where temperature, altitude, and moisture are extreme. The sealed housing also helps to protect against dust and other potential contaminants. One potential disadvantage is the limited range of adjustment. The arm of the switch has to be angled and adjusted to work effectively, and this can be difficult depending on the location and design of the switch. Additionally, some applications may not respond very quickly due to the small size and weight of the piston inside the switch.

Conclusion

31EN20-6 snap action limit switches are an ideal choice for applications where fast response, small size, and reliable performance are essential requirements. These switches are widely used in robotics, industry, military, and aerospace applications, as they offer a low power consumption and a reliable operation. They also provide a long service life, even in extreme conditions. However, they may not be an ideal choice in applications where a wide range of adjustment is necessary or where fast response is needed.

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