426HE13-8

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Part Status:	Active

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Snap Action, Limit Switches

An essential element of any industrial control system is a limit switch. Limit switches are used to detect the physical presence or absence of objects, close the circuit of a power source and activate a machine process. There are various types of limit switches available; one of the most popular is the 426HE13-8.The 426HE13-8 is a snap action limit switch that uses an actuator or plunger to create a mechanical switch action when triggered by an external force. The momentary action of the lever is used to detect either the presence or absence of a physical force, thus indicating whether or not a system or machine process has been activated. The 426HE13-8 utilizes two metal contacts connected to two small wires; when the lever is actuated and the two metal contacts come into contact, a closed circuit is formed and the contacts are closed.The applications of the 426HE13-8 are numerous and can include position sensing, over or under travel detection, power-off circuits, insulation monitoring, and as a safety switch. It is also commonly used in industrial automation and other applications such as robotics and control systems. The design of the 426HE13-8 is particularly effective for applications that require reliable operation in harsh environments, as it is rated IP67 for water resistance. The design of the 426HE13-8 differs from other types of limit switch mechanisms. It features a spring-loaded plunger and robust lever actuator which will remain in the ‘on’ position until the force to trigger it has been removed. This is known as a ‘snap action’ and is designed to ensure that the switch is reliable and quick to actuate. The 426HE13-8 also has silver-plated contacts and a V-shaped actuator that increases actuating precision.The 426HE13-8 is available in various model types, including with metal contact points and without, as well as with and without built-in guards. This makes it great for custom applications and gives engineers and technicians the flexibility to pick the necessary components to suit their specific needs.Overall, the 426HE13-8 is a great all-purpose limit switch ideal for industrial, robotic and control systems applications. With its dual metal contact points and snap action lever mechanism, it is designed to provide reliable, quick and precise switching of power sources and actuation of machine processes. The 426HE13-8 is also rated IP67 for water resistance, making it a great choice for applications requiring reliable operation in harsh environments.

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