Electrical Connection SMA Tech nologie 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!
APlug connectors for connecting the PV strings
BPlug connector for connecting the ESS (Electronic Solar Switch)
CCable feed-throughs for optional communication via RS232, RS485 or radio
(PG16)
DCable feed-through for grid connection (AC) (11 mm - 25 mm)
Eis not used
ABA C D E