What is a Backup Relay ?Backup Relay DefinitionA backup relay is an additional relay system that operates if the main relay fails, ensuring continued protection.Function of Backup RelayThe primary function of a backup relay is to trip the circuit breaker when the main relay fails.Reasons for Main Relay FailureMain relays can fail due to mechanical defects, power supply issues, or problems in the CT/PT circuits.Importance of Backup RelayBackup relays provide an extra layer of reliability, essenti