The BE1-51 Single-Phase Time Overcurrent Relay is a microprocessor-based protective relay designed to provide dependable overload and fault protection for 50 Hz and 60 Hz power systems. Engineered for single-phase applications, it delivers accurate fault detection and reliable operation to help protect critical electrical equipment from overcurrent conditions. Its versatile design makes it an ideal solution for utility, industrial, and power generation environments requiring effective protection coordination, equipment protection, and enhanced system reliability.