Electrical Connection SMA Solar Technology AG
26 SMC6-8TL-IEN101040 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 available in the download area at www.SMA.de/en.
2. Switch off the line circuit breaker and secure it to prevent it from being reactivated.
3. Loosen all cover screws and remove the cover.
4. Remove tape on the AC enclosure opening
(see "D" 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 gland on the enclosure opening.
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