21EN51-R4

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Snap action limit switches have been an important part of many industrial operations for decades. These components control the operation of various types of machines and processes, ensuring each one is running safely and efficiently. The 21EN51-R4 is a type of snap action limit switch from Omron. It is used in applications ranging from factory automation to vending machines and provides reliable performance in a range of environments.

The 21EN51-R4 has many features that make it the perfect choice for a wide range of applications. It’s designed with a variety of actuators, including roller, lever, plunger and rotary types. It’s also designed with a protective cover, diode protection and screw mounting to ensure it can work in harsh environments. This limit switch is also UL & cUL listed and rated for use in hazardous locations.

The working principle of the 21EN51-R4 is simple yet highly efficient. It contains a small contact lever that is connected to an actuator. When the actuator moves, either by manual means or by a machine process, the contact lever moves. As the lever moves, it makes contact with two electrical contacts which ultimately control the machine or process.

The 21EN51-R4 is a reliable snap action limit switch that can provide a stable connection between two circuits. It is used in many different applications and is an essential component for many machines and processes. Whether it is used in factory automation or vending machines, the 21EN51-R4 will provide consistent performance in a range of environments.

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