understanding the 12v dc relay： functionality, applications, and key features
Release time:2025-11-12 21:20:39
Relays have become an integral component in both industrial and consumer electronics due to their ability to control high-power devices with low-power signals. Among the different types of relays available, the 12V DC relay stands out as a popular choice in automotive systems, home appliances, and automated control systems. Understanding how these relays work, their key features, and their practical applications can provide valuable insights into their importance and widespread use.
What is a 12V DC Relay?
A 12V DC relay is an electrical device that allows a low voltage, typically 12V DC, to control the switching of higher voltage circuits. It operates on the principle of electromagnetic induction, where an electric current flowing through a coil creates a magnetic field that attracts a movable armature. This armature, in turn, shifts the relay's contacts, either opening or closing them, depending on the design of the relay. By using this mechanism, a 12V DC relay can control the flow of current in a high-power circuit with the relatively low power of the control circuit.
Chat Oline