D4F-120-5D

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Snap Action, Limit Switches

D4F-120-5D is a series of snap-action limit switches which are used to detect the presence and/or the position of an item, such as mechanical contacts. While other switches operate on different principles, such as those of a toggle switch, the snap-action limit switch is uniquely suited to demanding industrial applications due to its quick response, high repeatability, and automatic resetting. The D4F-120-5D series is a rugged, reliable, and cost-effective switch suitable for many industrial, commercial, and transportation applications.

General Working Principle

The D4F-120-5D series is a snap-action limit switch that operates by attaching a trigger element to a contact and a spring-loaded plunger to a contact. When a force is applied to the trigger element in the correct direction, a clicking sound is created. This is the actuation force from the snap action which causes the contacts to open or close. When the actuation force is removed, the plunger returns to its original position and the contacts return to their normal state. This general principle of operation applies to both momentary- and maintained-action switches.

Typical Applications

The D4F-120-5D is commonly used in industrial and commercial applications, such as conveyor systems, automation processes, printing presses and other equipment that require a reliable, quick response switch. It is also used in the following applications:

• Mechanical and machine shop equipment
• Pneumatics and hydraulics
• Security and alarm systems
• Safes and vaults
• Packaging and sorting machines

Advantages of D4F-120-5D

The D4F-120-5D series offers a number of advantages in the application field and when compared to other switch technologies. These include:

• Compact and lightweight design
• High precision, repeatability, and accuracy
• Excellent reliability and durability
• Wide range of operating temperatures
• Protected against dust, moisture, and vibration
• Easy installation and maintenance

The D4F-120-5D is a highly reliable and cost-effective switch suitable for many industrial, commercial, and transportation applications. With its quick response, high repeatability, and automatic resetting, this switch is perfect for meeting the demands of industrial and commercial applications.

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