D2D-1000

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Snap action, limit switches contain a variety of technologies commonly used in industrial applications. The D2D-1000 series is one of these technologies and focuses on providing an electromechanical solution for applications such as door opening/closing detection, emergency stops, and more.

D2D-1000 emphasizes the motion of a mechanical system reaching a desired limit or endpoint in an application. Typical operation includes an actuating member being deflected or rotated due to either external forces like human contact or internal forces generated by a machine\'s own motion. When the limit or endpoint is reached, the actuating member moves a switch contact to make or break an electrical circuit.

The D2D-1000 series of snap action, limit switches features two main components: an actuator, which is responsible for providing the primary within the switch; and a contact form, which is responsible for holding the contacts that carry the electrical current.

The actuator of a D2D-1000 snap action, limit switch can be selected from several different technologies. Most of these actuators incorporate a spring as the core of the mechanism. Various designs exist to accommodate both slow-speed, mechanical actuation (known as "long travel") and fast-pace operations (known as "short travel"). In these designs, depending on the intended application, a suitable actuator must be specified.

The contact form of a snap action, limit switch must provide the necessary contact force and travel characteristics to reliably break and establish the appropriate threads in the electrical circuits. As with the actuator, many contact materials and configurations are available to accommodate different applications. The contact configurations can range from single pole, single throw (SPST) or single pole, double throw (SPDT) to larger and more complex solutions with multiple contact points.

The D2D-1000 series snap action, limit switches offer reliable operation, durability and functionality at an economical price. Its clever designs include large contact force mechanisms and wear compensators, designed to adjust for age-related wear over time. Its rugged spherical housings, constructed from die-cast zinc alloy, provide superior protection against both shock and vibration. Furthermore, the series offers easily interchangeable actuators for greater versatility in applications. This combination of features makes the D2D-1000 series a popular choice for industrial applications.

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