The BE1-51 Three-Phase and Neutral Time Overcurrent Relay is a microprocessor-based protective relay designed to provide reliable overload and fault protection for 50 Hz and 60 Hz power systems. Engineered for three-phase and neutral applications, it delivers accurate fault detection and dependable 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, system reliability, and equipment safeguarding.