26
Protected loads panel: A panel providing power to the most important appliances in the house or
building, such as a refrigerator, freezer, or heater. This sub-panel is isolated from the main service
panel by a switch to prevent electrical feedback.
RCD (Residual current device): An electrical safety device that quickly breaks an electrical circuit when
detecting leakage current from system.
Self-consumption: The method of using solar power to power appliances rather than using grid power.
State of charge: The percentage of charge available in the storage system's battery modules.
Storage system: The sonnenEvo, which combines an inverter, battery modules, and other hardware and
proprietary algorithms to make solar power an even more cost-effective power source.
Transfer switch: A switch, either manual or automatic, that changes the power source from the utility
grid to self-generated power in the event of a loss of power.
1~: Single phase.