Limit switches with a side rotary lever plus roller actuator activate when the side-mounted lever is pushed past a certain angle; the roller allows objects to pass easily. From compact to heavy-duty IEC and NEMA-rated switches, models include fixed or adjustable lever, and adjustable head styles.
Limit switches with rotary levers use a variety of actuator arms that, when actuated by the tooling, rotate a shaft to operate the switch contacts. The lever has a roller for contour following, allowing objects to pass freely. A variety of switch types are available, with adjustable or fixed-length actuator arms, in styles from compact to large heavy-duty IEC and NEMA-rated switches.
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Limit switches designed to the European IEC standard are typically smaller and less expensive than NEMA devices but are application-specific and require a high degree of detail for the selection process. These 30mm body limit switches offer a compact body suitable for use in tight spaces.
Standard 40mm body IEC limit switches are available in durable metal housings or non-metal bodies suitable for corrosive environments.
Heavy-duty 65mm IEC limit switches feature a rugged die-cast aluminum body with three conduit openings that save time and money when interconnecting multiple limit switches.
Compact limit switches are suitable for a variety of applications, their small size allowing them to easily be used in confined spaces.
Limit switches designed to the North American NEMA standard are intentionally oversized with a safety factor beyond their design ratings. NEMA devices are typically larger, more versatile, and easier to select than IEC devices, but are also more expensive. These robust Eaton F25 series limit switches consist of three modular, interchangeable, plug-in components: operating head, switch body, and wiring receptacle.
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