71E30-02-1-12N-C

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Rotary switches have been used since the 1800s, first appearing in telegraphy. As technology developed, the rotary switch has been a popular choice for many applications, due to its reliable and cost effective design. The design allows the user to select a discrete amount of switches, by rotation like a dial, giving an infinite number of configurations. The 71E30-02-1-12N-C is an example of a rotary switch, and in this article, the application field and working principles will be discussed.

Rotary Switches

The purpose of a rotary switch is to control the flow of electricity, gas, or liquid through a system. Depending on the type of switch, it can be used in alarm systems, lighting controls, and many industrial applications. The 71E30-02-1-12N-C rotary switch is a two-pole, twelve-position switch that provides electrical isolation between its two poles.

Application Field

This switch can be used for many different applications, but it is most commonly used in devices that require precise voltage. Some examples include medical device circuits, digital control systems, and production machinery. This is because the switch is rated up to 250V AC/DC and is UL-509 and CSA certified. This means it is a reliable switch, ideal for industrial applications that require high voltage.

Working Principle

When a rotary switch is rotated, its contact surfaces make contact with the switch\'s internal contacts. When the switch is in the "off" position, the contact surfaces are separated and there is no connection between the two poles. When the switch is rotated, the contact surfaces make contact with each other, creating a closed circuit between the two poles. The number of positions determines how many discrete levels the switch can be operated at. The 71E30-02-1-12N-C has twelve positions, meaning it can be used for controlling up to twelve discrete levels.

Conclusion

This concludes the discussion of the 71E30-02-1-12N-C rotary switch. This switch is a two-pole, twelve-position switch that is widely used in industrial applications because of its high voltage rating. It can be used to control up to twelve discrete levels, making it a reliable choice for many applications.

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