The BE1-51 Three-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 three-phase applications, it delivers accurate and reliable performance to help protect critical electrical equipment from overcurrent conditions and system faults. Its versatile design makes it an ideal solution for utility, industrial, and power generation environments requiring effective fault detection, protection coordination, and enhanced system reliability.