Electrical Connection; Overview Electrical Connections; Disconnect Unit For Sunny Central 250U/500U - SMA Sunny Central 250U Installation Manual

6 Electrical connection
6 Electrical connection
6.1 Overview electrical connections
6.1.1 Disconnect Unit for Sunny Central 250U/500U
The following illustration gives an overview of a Disconnect Unit for Sunny Central 250U and Sunny
Central 500U.
Position Description
A Connection for ungrounded DC to inverter
B PE busbar
C Connection for ungrounded DC from PV-plant
D Connection for AC to power distribution grid
E Connection for AC from inverter
30 DisconACDC_SCUS-IUS103110
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Installation Guide