Ac Connection - SMA Sunny Island 2012 Technical Description

Sunny Island Electrical Connection

7.3 AC Connection

Connect the Sunny Island through a sub-distribution to the inland grid (loads, PV generator (Sunny
Boy)) and to any other external sources (generator, grid).
Information
The sub-distribution unit must be equipped with appropriate circuit breakers. Be sure to
observe all the applicable regional standards and guidelines.
Information
A maximum of 25 A should flow through the Sunny Island's AC input.
Information
The Sunny Island does not disconnect all 3 poles: the neutral conductor (N conductor) is
looped through the device; i.e., the AC1 and AC2 N connection terminals are connected
inside the device.
Use a maximum cross-section of 6 mm² for the AC installation. The nominal AC current is 9.6 A.
46 SI2012_2224-TEN082311
SMA Solar Technology AG
Technical Description