SMA DC Disconnect Switch For SB 3300-U - Manual (Page 16)

Installation SMA America, Inc.
10 DC-Discon-U-11:SE4406 Installation Guide
3 Align the holes
for the mounting
screws.
4 Using the
supplied screws
and lockwashers,
mount the DC
Disconnect to the
backplate.
Leave the screws
loose to allow for
proper
alignment. (They
will be tightened
in a later step.)
For proper
grounding,
ensure that the
teeth of the
lockwashers face
the tab, not the
screw.