DCC-10-40A-3R is an EV Energy Management System specifically designed to allow the connection of an charging unit to a panel that is at full capacity and would otherwise need an upgrade. Requires one double pole breaker slot available in the panel, contrary to DCC-9. This unit was designed for an exterior installation. Real-time reading of the total power consumption of the electrical panel. Detects when the total power consumption exceeds 80% of a main circuit breaker capacity and temporarily de-energizes the charger. Automatically re-energizes the charger when the total power consumption of the main circuit breaker capacity is less than 80% for more than 15 minutes. features are Does not affect the load calculation of a panel. Can be mounted on the wall or ceiling. Avoids the need of a panel upgrade.