Electrical Connection SMA Solar Technology AG
40 SB20HF-30HF-IA-IEN120431 Installation Manual
17. Screw the pressure screw (E) tightly onto the threaded sleeve (C). The pressure screw serves to
seal and relieve strain.
☑ The AC connection socket has been screwed together.
18. If the AC connection socket is not immediately connected to the inverter, close the AC jack on
the inverter with the protective cap provided.
19. Make sure that the inverter has been secured with the connection element in order to prevent it
from being lifted out, as per section 4.3"Mounting the Inverter with the Wall Mounting Bracket"
(page17).
20. Insert the AC connection socket into the AC jack on
the inverter until it audibly snaps into place.
Remove the protective cap beforehand, if required.
☑ The AC cable is connected to the inverter.
DANGER!
Danger to life due to high voltages in the inverter.
• Do not switch on the miniature circuit‑breaker until the PV array has been connected
and the inverter is securely closed.
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