SMA WB 3000-21 - Manual (Page 13)

SMA Solar Technology AG 3 Product Description
User Manual WB3-5TL-21-BA-en-10 13
Webconnect function If a Webconnect data module is installed in the
inverter, this symbol shows that connection to
Sunny Portal is possible
Multi-function relay Indicates that the multi-function relay is active
Thermometer Indicates that the power of the inverter is limited
due to excessive temperature
Power limitation Indicates that the external active power limitation
via the plant control is active
Small wind turbine
system with rectifier ‒
Inverter ‒
Grid relay A closed grid relay indicates that the inverter is
feeding into the electricity grid.
An open grid relay shows that the inverter is
disconnected from the electricity grid.
Electricity grid ‒
Symbol Description Explanation