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A rotating mechanism is used in Rotary Switches, a kind of electrical switch, to select one of several positions or settings. They are widely used for configuring and controlling electrical circuits across various applications.
Rotary switches usually have a circular or semi-circular body containing multiple electrical contacts, along with a knob or lever that can be rotated to establish electrical connections between those contacts.
They often feature several positions or settings, typically indicated by markings around the switch body. Each position corresponds to a different electrical configuration, making these switches well-suited for applications requiring selection among multiple options.
Inside, the contacts are linked to the various switch positions. Rotating the switch physically bridges different contacts to open or close electrical circuits.
These switches are available in a range of configurations, including single-pole single-throw (SPST), double-pole double-throw (DPDT), and more complex arrangements to meet diverse circuit needs. Some models also incorporate multiple decks, enabling even more intricate switching capabilities.


These switches are versatile components used in electrical and electronic circuits, providing a convenient and dependable way to alter a device's configuration or function. They are frequently built for durability and long-term reliability, making them well‑suited for industrial and heavy‑duty environments.
On the other hand, they offer only a limited number of positions, which makes them unsuitable for applications that require continuous or infinite adjustment. They are also not ideal for situations where high‑speed operation is needed. In general, they work best for manual adjustments or relatively slow setting changes.
The design and specific application of these switches depend on the needs of the device they serve. Common uses include:
Industrial controls
Testing and instrumentation
HVAC systems
Wireless IO Modules
Audio equipment
Electrical panels
Servers
Security monitoring
Taclex offers Rotary Switches in the 10*10mm and 7*7mm series