Electrical Connection SMA Solar Technology AG
26 SMC9-11TLRP-IEN100640 Installation Guide
5.2.2 Connecting the Inverter to the Public Grid (AC)
1. Check the grid voltage and compare with "V
AC nom
" on the type label.
The exact operating range of the inverter is specified in the operating parameters. The
corresponding document is located in the download area at www.SMA.de/en, in the
"Technical Description" category of the respective inverter.
2. Disconnect the line circuit breaker and secure against re-connection.
3. Loosen all cover screws and remove the cover.
4. Remove tape on the AC enclosure opening
(see "E" on Page 21).
5. Insert the AC screw clamp into the enclosure
opening from the outside and tighten it with the
counter nut from the inside.
6. Pull the cable through.
7. Connect L, N and the protective conductor (PE) to
the terminal blocks using a screwdriver in
accordance with the label.
To do this, the PE wire must be 5 mm longer than the
L and N wires.
L and N must not be swapped.
8. Securely close the clamp at the enclosure opening.
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