What is whisker limit switch?

A whisker limit switch is a type of mechanical limit switch that uses a thin, flexible wire or rod as the actuating element. It is called a "whisker" because the wire or rod is thin and flexible like a whisker. The limit switch consists of a stationary contact and a moving contact, which are separated by a small gap. When the wire or rod is bent or moved by an external force, it pushes the moving contact against the stationary contact, completing an electrical circuit and activating the switch.

Whisker limit switches are commonly used in a variety of applications where precise and reliable sensing of physical motion or position is required. They are often used in robotics, automation systems, and manufacturing equipment to detect the presence or absence of an object, or to measure the position of a moving part. They are also used in safety systems to detect hazardous conditions and shut down equipment before an accident occurs.

Whisker limit switches are known for their high sensitivity, durability, and long service life. They are also relatively simple and inexpensive to manufacture, making them a popular choice for many applications.

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