D4N-2E31

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Snap action, limit switches, also known as "make-or-break" switches, are designed to respond quickly to a mechanical force. Commonly used in industrial and domestic applications, these switches are available in different configurations, and the D4N-2E31 is one such example. By understanding its application field and working principle, one can better utilize the switch in their projects.

Application Field of D4N-2E31

The D4N-2E31 is a subminiature snap-action switch with a long service life and durable construction. This particular type of limit switch is designed for a wide variety of applications, from motorized industrial and agricultural equipment to domestic appliances. Its 9 mm x 15 mm x 5 mm size makes it especially suitable for small electronics and applications in tight spaces. It is UL, CE, and cUL approved, and tested for temperatures ranging from -40^oC to +85^oC for a variety of environmental conditions.

The D4N-2E31 has a current rating of up to 4A at 250 Vac and 3/2A at 30 Vdc, as well as a contact resistance of 1000 mΩ. In addition, its 0.5 N operating force make it suitable for a range of switching operations. This switch also meets military standards, making it an ideal choice for applications in harsh environments.

Operation Principle of D4N-2E31

The operation principle of the D4N-2E31 is similar to other snap action switches. It is most easily explained through the use of the following diagram:

In this diagram, the switch is operating with a 0.5 N force applied at the Actuator. As the force moves down the Actuator Lever, it engages the Snapping Lever, which actuates the Contacts. The Contacts are then pushed into their respective closed and open positions, allowing current to pass or not, depending on the position of the switch. When the force is removed, the Snapping Lever moves the Contacts back to their original positions.

The snap action, limit switch is designed to react quickly and reliably to a mechanical force. This makes it an ideal choice for switching operations that require a higher speed and accuracy. Whether used in industrial settings, motorized equipment, or domestic appliances, the D4N-2E31 is an ideal solution for a wide range of applications.

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