311SM781-H58

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Snap action limit switches are electrical switches used to control the on and off states of an electrical circuit. The 311SM781-H58 is a type of snap action limit switch designed to detect and control positions, forces, or velocity in a wide range of applications. This switch utilizes a pivotable contact arm and a plunger-type actuator to detect and control the movement of a target object.

Working Principle of the 311SM781-H58

The 311SM781-H58 utilizes a plunger-type actuator to detect movement of a target object. The plunger is spring loaded, and has two contact arms located on either side of the plunger. When the target object moves the plunger, the contact arms move and the switch is activated.

In order to control the movement of the plunger and contact arms, several adjustments are available. For example, the travel of the contact arms can be adjusted to ensure the switch is only activated when the target object comes into contact with the plunger. Additionally, a latch setting can be used to ensure the switch remains in the activated position, even after the target object has moved away.

Application Fields of 311SM781-H58

The 311SM781-H58 is suitable for a wide range of applications. It is often used in industrial automation, robotics, and process control. The switch can be used to detect and control positions, forces, or velocity of target objects.

The 311SM781-H58 is particularly popular in automotive assembly lines. In these instances, the switch is used to detect the presence and location of car parts on the assembly line, and control the movement of robotic arms accordingly. The switch is also used in vending machines, where it can be used to detect the change in weight caused by the insertion of money.

The 311SM781-H58 is also used for safety purposes. For instance, the switch can be used to detect the presence of a machine operator, and activate an emergency stop if the operator is too close to the machine. It can also be used to detect the presence of physical barriers around hazardous machinery, and activate the emergency stop if the barriers are breached.

Conclusion

The 311SM781-H58 snap action limit switch is a reliable, versatile switch designed for use in a wide range of applications. It utilizes a pivotable contact arm and a plunger-type actuator to detect and control the movement of a target object. This makes it suitable for use in industrial automation, robotics, and process control.

The 311SM781-H58 can also be used for safety purposes, such as detecting the presence of a machine operator or physical barriers around hazardous machinery. This makes it an important tool in ensuring safety in the workplace.

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