SMA Solar Technology AG
Electrical Connection of the Sunny Backup 2200
Technical Description
SBU2200-TEN083320
55
7.3 AC Connection
Connect the Sunny Backup 2200 to the Automatic Switch Box S using the AC1 connection terminals
with three conductors (see section 7.3.2 „AC1 (AS-Box-S.1)“ (57)). Connect the AC2 connection
terminals of the Sunny Backup 2200 to the public grid via a 25 A fuse (see section 7.3.3 „AC2 (Load
Meter)“ (59)).
Use cables with a maximum cross-section of 6 mm² for the AC installation. The nominal AC current is
9.6 A.
Information
In a stand-alone grid, the (protective) ground of the Sunny Backup 2200 and its individual
components must be wired as a TN system only. All valid standards and guidelines must
be taken into account!
