D4N-2A25

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The D4N-2A25 snap action limit switch is an important component in a wide variety of industrial applications. This switch is capable of detecting a wide range of signal levels and responding quickly, which makes it an ideal choice for controlling practically any mechanical or electrical device. Its robust design also makes it suitable for harsh industrial environments where other more delicate switches would fail.

The primary purpose of a snap action limit switch is to detect the end of a stroke or limit in the motion of a component or assembly. Essentially, the switch has two states; when the stroke or limit is not reached, the switch is in the off-position and when the stroke or limit is reached, the switch is closed or in the on-position.

The D4N-2A25 switch encompasses two distinct components; a contact block and a actuator. The contact block houses two different types of contacts; a normally open (NO) contact and a normally closed (NC) contact. Upon reaching the end of a stroke, the actuator moves into contact with the contact block, causing one or both of the contacts to change state. This switching process is known as a "snap action," since when the contact block and actuator strike each other, they provide a loud snap or snap action.

The actuator itself is customized according to its intended application. The most common types of actuators are a plunger, camelback lever, roller lever, two-step lever, etc. When the plunger, camelback, roller lever, or other actuator type is pressed down, it contacts the contact block and creates the snap action. The exact shape of the actuator depends on the application and its stroke length.

The D4N-2A25 snap action limit switch is capable of handling a wide range of currents and voltages, making it suitable for a variety of industrial settings. Depending on the application, the switch is able to activate when an electrical current, a mechanical movement, or a combination of both is present. This versatility makes it useful in a variety of applications, such as controlling a motor, a process, an alarm, or any other similar device.

In addition to its specialized applications, the D4N-2A25 snap action limit switch can be used in a variety of ways to protect delicate components from excessive pressures and forces. By connecting the switch to a solenoid, it can be used to maintain a certain pressure within a system, or it can be used to detect when a certain pressure is exceeded and shut off the system automatically.

The D4N-2A25 snap action limit switch is a reliable and cost effective solution for a variety of industrial applications, from motors and pumps to detectors, alarms, and other devices. Its versatile design and low-cost make it an economical choice and an industry-standard for many applications.

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