83842901

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Snap action, limit switches, such as 83842901, are mechanical devices designed to provide an electrical on-off switching action when the switch is operated. These switches are constructed of an electrical contact, the actuator, a mechanical spring, and a fixed housing containing the electrical contacts and a plunger. The electrical contacts can be configured in a normally open (NO) or normally closed (NC) state.

The actuator is triggered when the plunger is actuated into the contact. When the actuator moves from its rest position, it switches from its normal state (open or closed) and the contacts close. The spring force then holds the actuator in contact with the actuator housing until the plunger is actuated again, returning the actuator to its rest position. This switching action is referred to as “snap action”.

The springs have a wide range of force ratings, enabling the switch to be triggered even when not directly actuated. The most common applications of limit switches include industrial process control and machine automation. They are often used to sense the presence of a product in a production line and send a signal to the control system.

Limit switches can also be used to detect the end-of-travel position of a moving component. These switches can be configured to open or close an electrical circuit when a target is reached, allowing the control system to take corrective action. Additionally, limit switches can be used to ensure the component does not operate outside of its safe operating range.

Snap action, limit switches, such as 83842901, are versatile and can be mounted in multiple positions, such as horizontal, vertical, or sloped. These switches can be used under a variety of environmental conditions, including wet and dusty environments. Furthermore, they can be used in hazardous locations.

The operating principle of limit switches is simple but effective. When the plunger contacts the actuator, the contacts are closed and an electrical signal is sent to the control system, enabling the process to be automated. Snap-action, limit switches offer reliable and consistent operation, allowing repeated and consistent switching action.

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