User's Manual

Electrical Connection SMA Technologie AG
Page 26 SMC50A_60A-IEN073320 Installation Guide
6.2 Connection Procedure
The following figure shows the assignment of the individual housing ducts on the base
of the Sunny Mini Central.
When connecting the unit to the power supply, do not deviate from the
sequence described here!
A Plug connectors for connecting the PV strings
B Plug connector for connecting the ESS (Electronic Solar Switch)
C Cable feed-throughs for optional communication via RS232, RS485 or radio
(PG16)
D Cable feed-through for grid connection (AC) (11 mm - 25 mm)
E is not used
ABA C D E