The 1SVR730841R1300 is an overcurrent relay from ABB. This device is a modular, transformerless, single-phase, selective, electromechanical overcurrent protection relay. It features a high frequency response, selectable threshold values, fault indicators, and adjustable settings. The device is designed to detect overloads, line faults, and short-circuit conditions on motor circuits and other single-phase applications. It can be used with either analogue or digital current transformers.