Automatic relays are crucial components in modern electrical systems, playing a key role in ensuring the safety, efficiency, and reliability of various electrical operations. These devices automatically detect faults or abnormalities in an electrical circuit and take corrective actions, such as disconnecting the power supply or redirecting current flow to avoid damage to sensitive equipment. Over the years, the demand for more advanced, accurate, and efficient automatic relays has led to innovations in relay technology. Among the key players in this field, Meishuo has emerged as a notable provider, offering cutting-edge relay solutions designed to meet the ever-increasing needs of industrial and commercial sectors.