SMA America, LLC
4 Product Description
Installation Manual
SB3-5TLUS22-IA-en-12
17
4.2 DC Disconnect
The DC Disconnect is a DC load-break switch which safely disconnects the PV array from the inverter.
Figure 3: DC Disconnect design
Symbols on the DC Disconnect
Item
Description
A
Bracket for grounding the DC Disconnect enclosure
B
Rubber grommet for the enclosure opening
C
Bracket for hanging in the retainer
D
Type label 1
E
Conduit knockouts
F
Type label 2
G
Enclosure lid screws
H
Enclosure lid
I
Switch
Symbol
Description
Explanation
Equipment grounding
conductor terminal
Connection for the DC equipment
grounding conductors
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