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Snap Action, Limit Switches

Snap action switches, also called snap-acting switches, are designed to actuate at a very specific force and position. This type of switch is characterized by its ability to disconnect the contacts in its application when a predetermined amount of force is applied. Many times these are used in safety applications, where the contact integrity must be maintained at all cost. The design of a snap-action switch relies on several components, such as a spring, actuator and contact assembly, to perform its duties. Each of these components works in tandem to trigger a different mechanism when force is applied to the switch.

The actual contact assembly within the snap action switch is made up of two parts: the spindle and the actuator. When the spindle, which is connected to the spring and main contact, is moved by the force applied to the switch, it acts on the actuator and causes it to push or pull a small lever to open or close the contact. This design is known as a toggle or mechanical switch. The advantage of this type of switch is that it is relatively simple and inexpensive to manufacture. Additionally, the use of a spring provides a much smoother operation compared to solid state switches.

83805052 Application Field and Working Principle

The 83805052 is a subminiature snap-action switch designed with a low profile actuator and de-energized contacts. Specifically designed for use in tough environments, such as water and dust-proof enclosures, this switch is perfect for low voltage or low current control circuits, such as HVAC applications. It measures 6.1mm x 6.8mm and can easily fit into tight spaces thanks to its slim design.

This switch works like any other snap-action switch, using a spindle and actuator to create a mechanical connection when force is applied. Its low profile design, however, also helps it to handle up to 50mA and up to 250VAC. The contacts remain de-energized when force is not applied, and they open and close quickly when the switch is actuated, preventing power surges. Additionally, the contacts are designed to have minimum wear, making it suitable for applications that require frequent cycling.

Whether your application demands a subminiature switch with a low profile actuator, or a larger switch with robust construction, the 83805052 is a great choice. Its unique design makes it versatile enough for a variety of applications. From HVAC systems to simple circuit control, this switch is an ideal choice for a wide range of applications.

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