SMA SB 3300 Installation - Manual (Page 18)

Assembly SMA Solar Technology AG
18 SB33_38-IEN111851 Installation Guide
3. Attach the wall mounting bracket to the wall using
appropriate screws and washers.
4. Mount the inverter with the upper fastening plates
on the wall mounting bracket in such a way that
both plates on the upper edge of the bracket pass
through the cutouts on the inverter.
5. Visual inspection: The inverter is only correctly
mounted when both rear panel mounting plates
slightly protrude through the cutouts.
6. If a second protective conductor is required in the country of installation, ground the inverter and
protect against excavation, as described in section 5.3.3 ”Connecting Additional Grounding”
(page 27).