The Control Interface is the central unit of the Epoch Protection System and is the integralcomponent that brings together the full protection functionality of each outlet. It performs the AS/NZS 2081:2011 Earth Continuity protection function on the outlet as well as receive and process signals from the Power Interface. The pilot conductor is connected through an EP041 barrier into the hazardous zone. It drives the HMI Display (EDM) and also controls the Main Circuit Breaker. External buttons for Start, Stop, and Reset are connected through the Control Interface.