SMA Solar Technology AG Electrical Connection
Installation Guide SB20_25_30HF-IEN102911 43
15. Screw the clamping nut (E) tightly onto the threaded sleeve (C). The clamping nut serves to seal
and relieve strain.
☑ The AC connection socket has been screwed together.
16. If the AC connection socket is not immediately connected to the inverter, close the AC socket on
the inverter with the protective cap provided.
17. Insert the AC connection socket into the AC socket
on the inverter audibly snaps into place.
Remove the protective cap beforehand as required.
☑ The AC cable is now connected to the inverter.
DANGER!
Danger to life due to high voltages in the inverter.
• Do not switch on the line circuit breaker until the PV generator has been connected
and the inverter is securely closed.
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