Components of a Sunny Backup system
The Sunny Backup system consists of:
- One or three battery-fed inverters
- An automatic switch box for switching to stand-alone mode
- A meter box for reading out the electronic energy meter, including the read-out cable
- A battery unit (not included in the SMA scope of delivery)
- An electronic household energy meter (eHZ) (not included in the SMA scope of delivery; the energy meter must be approved by the electric utility company)
Battery-fed inverter of system S: SBU 2200
Battery-fed inverter of system M/L/XL: SBU 5000