The ABB 1MYN742751-B is an industrial overcurrent and earth-fault relay designed for 50Hz applications with a voltage range of 18-80V.
This component is part of the SPAJ140C series and is manufactured by ABB Technology, a leading provider of power and automation technologies. It is specifically engineered to protect electrical systems by detecting and responding to overcurrent and earth-fault conditions, ensuring reliable operation and safety in industrial settings.