D4N-1F31

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Snap action, limit switches are primarily used in applications that require precise control over the on and off state of a device or machine component. The D4N-1F31 series limit switch is one such device that is specifically designed to provide reliable and accurate control in a wide range of applications, utilizing basic principles of electromechanical actuation.

The D4N-1F31 series is a side-mounted, subminiature snap action limit switch. It has a highly reliable, single pole double throw (SPDT) mechanism, with a maximum electrical life of 500,000 cycles. The actuator is a plunger-style with a body diameter of 6.3 mm (0.25") and a stainless steel or aluminum alloy construction for greater stability and durability. The contact block also has an operating temperature range from -20 to +70 °C (-4 to +158 °F). This feature makes the D4N-1F31 series ideal for use in environments with extreme temperatures.

This type of limit switch can be used in a variety of applications. These include membrane switches, mechanical systems, factory automation, lab automation, automotive and industrial applications, among others. Its low-profile design, small size, and simple installation requirements make it easy to install in many areas. Not only that, it provides reliable and precise control over normally open and normally closed contacts. This allows for a greater range of applications, from those that require precise control of multiple machines to those that require precise timing in a single device.

The D4N-1F31 series works on the basic principle of electromechanical actuation. This process starts when an external force or voltage is applied to the switch, which causes the metal plunger to move in one direction and make contact with the stationary contact points on the back of the switch. An electrical connection is then created when the stationary contact points are closed and the motion of the plunger can then be used to toggle the switch between the on and off state.

When the switch is in its normally closed state, the plunger is forced down by spring pressure and the stationary contact points remain in contact, allowing current to pass through them. When the plunger is actuated, the force of the external voltage or force pushes the plunger up and away from the stationary contact points, breaking the electrical connection. Depending on the application, the force can be either generated by a voltage, such as a DC power supply, or from a mechanical force, such as a spring or lever arm.

The D4N-1F31 series is designed for use in demanding environments, such as those that require reliable and precise control. Its small size and robust construction make it ideal for a variety of applications, from automated machines to process or test-control systems. Not only that, but its long-term reliability and low power consumption ensure it will be a reliable and accurate control device for many years.

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