The 1SFA611920R8053 is a multi-function control relay from ABB. It has a range of features and functions and is designed for use in industrial and commercial applications. It has 10A switching capacity, integrated and external monitoring, overvoltage, undervoltage and short-circuit protection, multiple operating modes, parallel and serial networking, and an intuitive user interface. The relay can be used to monitor, protect, and control all types of electric motors, pumps and other equipment. It is also suitable for systems with up to 3-phase AC voltage.