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Rotary Switches

Introduction

A rotary switch is a switch operated by rotation, often but not always using a handle. It can be used to control the electrical connections in a circuit when it is rotated to a different contact position. In the 59M18-02B20 rotary switch, the contact arm rotates 90 degrees.

Application Fields

Rotary switches are widely used in many applications. In consumer electronics, they are used to select between different sources of electrical energy, such as AC, DC, TV, and so on. They can also be used to select the frequency of a transmission source. In industrial applications, rotary switches are used to control various outputs from a single source, such as to control the speed of motors, or the intensity of lighting.

Working Principle

The 59M18-02B20 rotary switch is designed to provide a simple, cost-effective solution for controlling applications with only two signal lines. The switch is composed of a set of contacts connected to a rotating arm which is attached to a drive shaft and driven by an actuator. As the drive shaft is rotated, the arm makes contact with the different contact points, which in turn causes the signal lines to be switched on and off. The rotary switch is held in place by a bracket, ensuring that the drive shaft maintains its rotational motion.

The contacts of the switch close when the shaft is rotated to the desired position, and open when the shaft stops rotating. The contact arm contains five separate switches, each of which can be used to control a different signal line. The switches are designed so that they can only be activated in the correct sequence, preventing incorrect or damaging signals from being sent.

Conclusion

The 59M18-02B20 rotary switch is a cost-effective and easy-to-use device for controlling two-wire applications with a rotary movement. It is a reliable and durable product with high switching capacity, making it ideally suited for a wide range of industrial and commercial applications.

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