Relay 24V systems play a vital role in various electrical and automation applications, allowing low-voltage control of high-power devices. A relay is essentially an electromagnetic switch, enabling one circuit to control another while ensuring electrical isolation between the two. This article aims to explore the fundamentals of 24V relays, their applications, advantages, and key considerations when selecting one for your needs.
What is a Relay 24V? A relay operates by using an electromagnetic coil to move a lever that opens or closes a set of contacts. When a voltage is applied to the coil, it generates a magnetic field that pulls the lever, either completing or interrupting the electrical circuit. In the case of a 24V relay, it requires a control voltage of 24 volts, commonly found in industrial settings, HVAC systems, and automotive applications. Types of Relay 24V There are various types of 24V relays available, including： Single Pole Single Throw (SPST)： This type has one set of contacts that open or close a single circuit. SPST relays are often used for basic on/off control applications.