SMA SC 250U User Manual
Page 31
SMA America, LLC
6 Electrical connection
Installation Guide
DISU_SCUS-IA-IUS111711
31
6.1.2 Disconnect Unit for Sunny Central 500HE-US/CA and
Sunny Central CP
Figure 13: Overview electrical connection
Position
Description
A
Connection for ungrounded DC to inverter
B
PE busbar
C
Connection for ungrounded DC from PV-plant
D
Busbars for AC to power distribution grid
E
Busbars for AC from inverter
D
C
B
E
A
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