SMA SB 3000-US - Manual (Page 60)

9 Opening and Closing SMA America, LLC
60 SB30-40-US-IA-en-34 Installation Manual
3. If additional DC switch-disconnectors are available, switch off the DC switch-disconnectors and
secure against re-connection.
4. Loosen the screw on the rotary switch of the DC
Disconnect. Use a cross-head screwdriver for this.
5. Remove the screw and conical spring washer of the
cover on the underside of the DC Disconnect.
6. Remove the rotary switch of the DC Disconnect in
an upward direction.