A compact multifunction system that provides three-phase, ground, and negative sequence overcurrent protection intended for use in nondirectional overcurrent applications including feeder, generator, cogeneration, and transformer backup applications. BENEFIT : Provides flexibility in configuring a protection and control system using BESTlogic™ . Replace local indication and control functions with the programmable LCD display. Simple integration with distributed control systems provided through three independent communication ports with Modbus™ and DNP protocol support. Minimize installation costs by limiting panel modifications with the choice of three case configurations. Easily perform in-case system and device tests using test paddles in the S1 case configuration. Accommodate complex protection schemes via the additional outputs provided with the BE1-851E.