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SMA Solar Technology AG
5.2.2 Connecting the Inverter to the Public Grid (AC)
Overview AC connection socket
Object
Description
A
Socket element
B
Threaded sleeve
C
Sealing ring PG13.5
D
Fastening case PG13.5
E
Pressure screw for PG13.5 (for a cable diameter between 9 mm ... 13.5 mm)
F
Cable gland PG 16 (for a cable diameter between 13.5 and 17 mm)
Procedure
1. Choose an appropriate screw fitting for the AC cable.
2. Check the grid voltage and compare with "V
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.
3. Switch off the line circuit breaker, protect against reconnection, and make sure no voltage is
present.
4. Strip approx. 30 mm from the AC cable.
5. Shorten L and N by 5 mm.
Installation Guide
" on the type label.
AC nom
SB25_30-IEN100930
Electrical Connection
23
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