4HS12

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Snap action, limit switches, such as 4HS12, are normally open devices used to turn a circuit on or off. They are most often found on machines, industrial control systems and other equipment. The switch is typically operated by a mechanical plunger, lever, or roller that is pushed down, releasing the circuit when the device is triggered. When the plunger, lever, or roller is released, the circuit is broken.

The 4HS12 from OMRON is a heavy duty snap action limit switch, designed for long life, continuous use in a wide variety of applications. It features a unique, patented lever design that provides superior switches with consistent operating distances and faster reset response times. With a one million electrical life cycles rating, this device is not only reliable, it is also extremely durable.

The 4HS12 snap action limit switch has three principle applications: trouble-shooting, monitoring, and control. In trouble-shooting, it can be used to detect and diagnose issues in the equipment being monitored. In monitoring applications, the switch can be used to detect motion or a change in ambient conditions. Finally, in control applications, the switch can be used to initiate an action, such as stopping a conveyor belt when a certain amount of material reaches it.

The 4HS12’s working principle is based on the action of an electrically conductive component in contact with a conducting surface, which is then energized by a voltage or current. When the component is activated, a current is allowed to flow from the component to the conducting surface, completing the circuit. After the component is released, the circuit is broken and the current is interrupted.

This switch has several advantages over other types of switches, such as its durability, high current capacity, and ability to maintain a reliable connection. Moreover, it is ideal for use in hazardous areas where protection against dust, moisture and other environmental factors is needed.

The 4HS12 is an excellent choice for a wide range of applications, from industrial controls to robotics and automation. It is easy to install, reliable, and durable, and provides a safe and effective means of controlling electrical circuits.

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