SMA SB 2000HF-30 Installation - Manual (Page 41)

SMA Solar Technology AG Electrical Connection
Installation Manual SB20HF-30HF-IA-en-32 41
6.3.3 Connecting Additional Grounding
If a second protective conductor connection, additional grounding, or equipotential bonding is
required in the country of installation, you can also ground the inverter at the enclosure (see figure).