Electrical Connection SMA Solar Technology AG
42 SB20_25_30HF-IEN102911 Installation Guide
6. Thread the threaded sleeve (C) over the AC cable.
7. Bend the AC line if needed for the connection. The
bend radius must be at least four times the cable
diameter.
8. Shorten the cable.
9. Shorten phase L and neutral conductor N 4mm to 5 mm.
The PE protective conductor must be longer than the connection wires of N and L.
10. Insert the grounding conductor PE (green-yellow) in
the screw terminal with the earth sign on the socket
element and tighten the screw.
11. Insert the neutral conductor N (blue) in the screw
terminal N on the socket element and tighten the
screw.
12. Insert phase L (brown or black) into the screw
terminal L on the socket element and tighten the
screw.
13. Make sure the wires are securely connected.
14. Push the threaded sleeve (C) onto the socket element (B) until it audibly snaps into place.
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