Description

• An electromagnetic relay is a type of electrical switch controlled by an electromagnet.
• It is used in a variety of applications, including alarms and sensors, signal switching, and the detection and control of faults on electrical distribution lines.
• Electromagnetic relays operate on the principle of electromagnetic attraction.
• They use a magnet to create a magnetic field, which is then used to open and close the switch and perform the mechanical operation.
• Relays are usually used in automatic control circuits.