4 product description, 1 smartformer for sunny island, Product description – SMA SI-TB-BOX-10 User Manual
Page 16: Smartformer for sunny island

4 Product Description
SMA America, LLC
16
SI_TDBOX-IA-eng-IUS122211
Installation Manual
4 Product Description
4.1 Smartformer for Sunny Island
The Smartformer for Sunny Island is a pre-wired AC distribution board with an autotransformer,
bypass switch, load-shedding contactor, overload protection, and miniature circuit-breakers.
Figure 3: Structure of the Smartformer
The Smartformer is the AC distribution board in a Sunny Island system with 1 Sunny Island. The
Smartformer provides the terminals for all components in the Sunny Island system. The Smartformer
expands the scope of functions of the Sunny Island with the autotransformer, bypass switch, load-
shedding contactor, overload protection, and miniature circuit-breakers.
Position
Description
A
Door handles
B
Flange plate
C
Ventilation slots
D
Type label
E
Rear wall of enclosure with 8 drill holes
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