SMA SC 250U - Manual (Page 45)

SMA America, LLC 6 Electrical connection
Installation Guide DISU_SCUS-IA-IUS111711 45
Figure 29: Overview connection sequence AC switch to power distribution grid
Figure 30: Overview AC connection to power distribution grid with cable lugs - phases B and C
Arrangement of elements AC connection
To make sure that you can reach all nuts and screws with a torque-wrench, arrange all screw
terminals, screws, nuts, washers and spring washers as shown in the figures below.
3
1
2