91CX4

Snap Action Limit Switches

91CX4 limit switch is a kind of snap action limit switch, which can provide speed, reliability and long service life. It is widely used for automatic control, shutdown, over current protection, sequencing and other controlling effects.

Application Fields

The 91CX4 limit switch can be used in a variety of different applications, such as motor starting and stopping, timing control, over current protection, process control, protection of mechanical components, position and pressure sensing, etc.

Working Principle

The 91CX4 limit switch follows the same basic principle as that of other snap action switches. When a certain amount of force is applied to the switch it releases or flips an actuator, resulting in an electrical contact being made. When the force is removed, the actuator returns back to its original position and the contact is broken.

Most of the switches operate by the principle of snap-action involving a bistable mechanism. This mechanism works with a hinged actuator, which snaps back and forth between two stable positions when the contact is activated or released. The snap action also creates a sharp and audible click when the actuator moves between its two positions. This makes the switch easier to identify and use.

The 91CX4 limit switch is designed to provide speed, reliability and long service life. It is equipped with self-cleaning contacts and offers a range of electrical ratings and enclosure options. It also comes with various accessories, such as auxiliary contacts, blanking plates and end stops.