D2F-01FL3-A

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Snap action switches are a type of actuation devices which are primarily used for the switching of a circuit between two or more states. They are composed of a flat switch lever, which is usually connected to a metal or plastic link bar and a contact lever. The contact lever is normally open and when it is subjected to pressure, it closes and opens the switch thus completing the circuit. The switch lever is usually made of a hard synthetic material which is resistant to wear and tear and can withstand cycles of repeated actuation.

The D2F-01FL3-A limit switch is one such actuating device which is designed for the task of converting mechanical motion into electrical signals. This micro switch is available with either NO (Normally Open) or NC (Normally Closed) contacts, which is suitable for any application requiring a flexible switching action. The device is further fitted with a DPDT (Double Pole Double Throw) contact configuration for a more versatile approach – for example, two separate circuits can be closed or opened through the device depending on the desired setting. The switch nose length is only 4.6mm, and its 15A Silver contacts ensure rapid and reliable performance.

The D2F-01FL3-A is widely used in \'snap action\' applications, such as safety switches on electrical machinery, door interlocks in gas storage containers, pressure switches in die-casting machines and antenna position indicators on portable wireless devices. Other typical applications include limit switches, end of stroke switches and home automation systems. In these types of applications, the switch changes position as the mechanical mechanism moves and then completes/opens a circuit, thus supplying a signal to the control system.

The working principle of the D2F-01FL3-A is quite simple. When a small loading force is applied on the stem, it eventually actuates the link bar, which in turn triggers the contact lever. This then closes the switch, thus facilitating an electrical connection between the two contacts and completing the circuit. The spring in the switch is tensioned such that it moves the contact lever back to the original position as soon as the force is released.

To ensure a robust performance, the switch is equipped with several features such as an outer case which is made from corrosion-resistant zinc die-cast material, and its solder lugs are soldered for extra strength. The device also features a dustproof and waterproof rating (IP67) and is shock-resistant and resilient to vibration, making it ideal for a variety of applications. Furthermore, it is designed to be dismountable so that it can be easily replaced or upgraded.

In conclusion, the D2F-01FL3-A micro switch is a highly-priced actuation device, which is widely employed in a vast range of applications, such as safety switches, limit switches, door interlocks and antenna position indicators. The switch operates on the basis of a simple yet reliable \'snap action\' system – when a small force is applied, the switch quickly moves to complete/open the circuit, and when it is released, the spring tensions moves the contact lever back to the original position.

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