Installation Guide

SMA America, LLC 4 Product Description
Installation Manual SB3-5TLUS22-IA-en-16 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
EConduit knockouts
F Type label 2
G Enclosure lid screws
HEnclosure lid
ISwitch
Symbol Description Explanation
Equipment grounding
conductor terminal
Connection for the DC equipment
grounding conductors