RK-2

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Part Status:	Active

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Introduction

Pushbutton Switches (PB Switches) are devices that provide tactile feedback to user by providing a mechanical push to activate a wide range of switch functions. They are widely used in many different types of applications due to their simple design, robust construction, and reliability. The most common of these are the RK-2 Pushbutton Switch. This article will focus on the application and working principles of the RK-2 Pushbutton Switch.

RK-2 Pushbutton Switch Overview

The RK-2 Pushbutton Switch is a two-pole, two-position Momentary Pushbutton Switch. It is designed to be mounted within a panel or enclosure and actuated by a push rod which is connected to a mechanical lever and/ or actuator. It features a plastic enclosure with integral terminals, a resilient rubber dome that provides tactile feel, and a NEMA 1 non-metallic face plate or trim plate. The RK-2 Pushbutton Switch is avalible in a wide variety of switch functions, such as ON-OFF, Momentary ON-OFF and Momentary ON-OFF-ON. It is also available with a safety guard for use with hazardous applications.

RK-2 Pushbutton Switch Application

The RK-2 Pushbutton Switch is widely used in applications that require a tactile feedback from a push button. Common applications include door bells and alarms, industrial machines, elevators, lighting control, and security systems. The RK-2 Pushbutton Switch is also used in applications that require easy switch access due to its mechanical design. Some examples include control panels, access control systems, and communication systems. The RK-2 Pushbutton Switch is also popular with DIY projects and robotics due to its low cost and easy to wire terminal block.

RK-2 Pushbutton Switch Working Principle

The RK-2 Pushbutton Switch consists of two primary components: the pushrod and the switch body. When the pushrod is pressed the switch body is pushed downward, which closes the two contacts of the switch body. This closes the switch and the circuit is complete allowing current to flow. The switch is designed with a resillient rubber dome which depresses when pressed and then springs back when released. This provides a tactile feedback to the user which confirms that the switch has been actuated.

Conclusion

The RK-2 Pushbutton Switch is a common and reliable type of switch that is used in a wide variety of applications. It is easy to mount and wire and is available with a safety guard for hazardous applications. Its mechanical design and resilient rubber dome ensure that users have a secure and tactile feedback when actuating the switch.

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