3 Product Description SMA America, LLC
18 SB30-40-BA-eng-BUS121010 User Manual
3.3 DC Disconnect
The DC Disconnect safely disconnects the PV array from the inverter.
Figure 6: DC Disconnect design
The DC Disconnect forms a conductive path between the PV array and the inverter. Actuating the
DC Disconnect interrupts the flow of current and the DC cabling can be safely disconnected from the
inverter.
3.4 Communication
The inverter can be fitted with a communication module to enable communication via cabling with
special data capture devices or a PC with the corresponding software (for information about
supported communication products for communication with the communication module, see
www.SMA-America.com).
Position Description
ARotary switch
BCover
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