Industrial relays are critical components in the electrical systems of industries, playing a crucial role in the control and protection of equipment. These relays, typically used for automating electrical circuits, ensure the safety of both the machinery and personnel by quickly responding to abnormal conditions, such as faults or overloads. To maintain high reliability, safety, and compatibility in various industrial environments, the IEEE (Institute of Electrical and Electronics Engineers) has established a series of standards specifically for industrial relays. These standards, collectively known as the IEEE Standards for Industrial Relays, serve as an essential guideline for the design, application, testing, and maintenance of relays in industrial settings.