SMA SB 3000-US - Manual (Page 38)

6 Electrical Connection SMA America, LLC
38 SB30-40-US-IA-en-34 Installation Manual
6.2.3 Connection Area of the DC Disconnect
Figure 14: Connection Area of the DC Disconnect
Position Designation Explanation
A Knockout For inserting the AC cables of the
power distribution grid
B Knockout For inserting the DC cable of the
PV array
C AC cable of the DC Disconnect For the connection to the inverter
D DC cable of the DC Disconnect For the connection to the inverter