An electromagnetic relay is an electrical control device used to control the flow of current, voltage, and power. Electromagnetic relays control the on/off operation of a circuit through the principle of electromagnetic induction, allowing a low-power control signal to control the on/off operation of a high-power circuit. Electromagnetic relays play a vital role in a variety of applications, ranging from home appliances to industrial automation systems.ATO.com will cover the basics of electromagnetic relays, including types and benefits.

