Murrelektronik Control Relays Industrial relay 615234 - Murr Elektronik 51851, The Murrelektronik 51851 is an industrial relay with a nominal voltage of 24 V DC/AC and a maximum switching current of 5 A. Manufactured by Murrelektronik, this relay socket combo is designed for reliability and efficiency in industrial environments. It is typically used in automation systems and machinery control applications. Murrelektronik 51851 Relay 24V DC/AC 5A 1 Maker