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Limit Switches are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for limit switch manufacturers such as Crouzet, Honeywell, Omron, OTTO, Square D, Telemecanique & more.

Limit switches are position-sensing devices designed to detect the presence, movement, or end-of-travel position of mechanical equipment within industrial automation systems. They convert physical motion into electrical signals, enabling precise monitoring and control of machinery while helping improve safety, reliability, and process accuracy. Built for rugged industrial environments, limit switches provide dependable operation in applications where equipment positioning and motion verification are critical.

Applications: Limit switches are commonly used in conveyor systems, packaging machinery, material handling equipment, robotic cells, machine tools, industrial doors, and automated production lines to detect position, travel limits, and object presence.

Common Types: Common limit switch types include roller lever switches, plunger switches, rotary limit switches, whisker switches, heavy-duty limit switches, and sealed limit switches designed for harsh industrial environments.

Selection requirements: Choosing a limit switch requires evaluating actuator style, operating force, electrical ratings, environmental protection requirements, mounting configuration, operating travel, durability, and application-specific sensing requirements to ensure reliable performance in industrial automation systems.

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Please view our large selection of limit switches below.