Understanding the 12 Volt Relay: Key Features and Applications
A 12 Volt relay is an essential component used in various electrical and automation systems. Its primary function is to control the switching of higher power circuits through a low-voltage control signal, usually 12V DC. This article explores the functionality, key features, and common applications of the 12V relay, offering insights into its role in modern electrical systems. What is a 12 Volt Relay? A 12 Volt relay is an electromagnetic switch that operates with a control voltage of 12 volts. It consists of two main parts: the coil and the contacts. The coil is energized by a 12V DC signal, which creates a magnetic field that causes the relay’s contacts to open or close, controlling the flow of electricity through another circuit. The contacts can either be Normally Open (NO) or Normally Closed (NC), determining how the relay behaves when it is not activated.
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