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Rotary Switches
Rotary Switches are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for rotary switch manufacturers such as Alpha (Taiwan), C&K, Electroswitch, Grayhill, Lorlin, Nidec, NKK Switches & many more.
Rotary switches are electromechanical switching devices designed to select between multiple electrical circuits or operating positions through the rotation of a shaft or actuator. They provide reliable, repeatable switching performance while enabling a large number of circuit options within a compact form factor. These switches are commonly used in applications requiring precise manual selection of modes, channels, settings, or functions across electronic and industrial systems.
Types: The most common rotary switch types include single-deck rotary switches, multi-deck rotary switches, wafer rotary switches, shorting rotary switches, non-shorting rotary switches, binary coded rotary switches, miniature rotary switches, and sealed rotary switches, each designed for specific switching, configuration, and environmental requirements.
Applications: Rotary switches are widely used in industrial automation equipment, communication systems, test and measurement instruments, audio equipment, medical devices, control panels, power management systems, and electronic instrumentation to provide reliable function and circuit selection.
Selection requirements: To choose rotary switches, evaluate the number of poles and positions, current and voltage ratings, contact configuration, actuator style, mounting requirements, environmental sealing, mechanical lifecycle, indexing characteristics, and suitability for the intended electrical and operating conditions.
