D4A-1112-N

Snap Action, Limit Switches

The D4A-1112-N snap action switch is an invaluable tool designed to help reduce the costs and complexities associated with wiring assembly costs and physical setup in a variety of maintenance operations. The D4A-1112-N switch is a specifically designed snap action switch that features spring-loaded contact points which, when actuated, will open or close a circuit. This switch is especially suited for applications that require more than one switch contact.

Application Field

The D4A-1112-N is used in a variety of applications, ranging from automotive control systems and industrial machinery to home appliance controls, indoor lighting controls and home security systems. In industrial and automotive applications the switch is typically used to indicate the position of the movable parts within the system. As an example in a machine tool, the switch will activate when the tool is in its lowest position, thereby indicating that the machine should stop or move to an alternate position. In domestic applications this type of switch is used to control lighting, fans, pumps and other domestic electrical appliances.

Working Principle

The working principle of the D4A-1112-N switch is based on a mechanical lever mechanism that actuates contacts when the switch is activated. Upon actuation of the switch, the main lever flips the contacts from open or closed state depending on the configuration of the mechanism. The spring-loaded contacts provide a quick and reliable actuation of the switch and in most cases, the contacts can be held in any position as long as the switch is energized.

The contacts, which are made of copper or alloys, are either open, normally open (NO) or normally closed (NC), and can be configured in various combinations. The contacts are made to a very small size and the accuracy of their action dictates the accuracy of the operating system. Each contact point is configured with the proper voltage rating, current rating and contact gap.

The D4A-1112-N switch is often configured with a variety of functions, including latching and non-latching, and may be actuated electrically, pneumatic or manually. It is also available in a variety of sizes and with a variety of contact shapes. To ensure the correct operation of the switch, the designer must pay special attention to the material compatibility, contact ratings and the overall design of the switch.

Conclusion

The D4A-1112-N snap action switch is a versatile tool designed to reduce the cost and complexity of installing and operating a variety of electrical and mechanical systems. The switch is designed to be used in a variety of applications, such as automotive control systems and industrial machinery, lighting control and home security systems. The switch is actuated by a mechanical lever mechanism, which actuates the contacts when the switch is activated. The spring-loaded contacts provide a quick and reliable actuation of the switch, and in many cases, the contacts can be held in a position as long as the switch is energized. The switch is available in a variety of sizes and with a variety of contact shapes, and must be correctly configured to ensure the switch operates correctly.