SMA SUNNY ISLAND 6048-US - AC Connection; Cable Protection

SMA America, LLC 6 Electrical Connection
Technical description SI4548_6048-US-TB_en-13 45
6.3 AC Connection
6.3.1 Cable Protection
You must connect the Sunny Island via a sub-distribution to the stand-alone grid and any external
source present.
Fit the sub-distribution with appropriate circuit breakers and observe all locally applicable standards
and directives.
Fitting the sub-distribution with circuit breakers
The sub-distribution must be equipped with appropriate circuit breakers. Observe all locally
applicable standards and directives.
Maximum permissible input current
The maximum input current allowed on the Sunny Island is 56 A. Higher input currents must not
be connected to the Sunny Island.
No all-pole isolator on the Sunny Island
The Sunny Island is not equipped with an all-pole isolator. The neutral conductor (N conductor)
is looped through the device and the N terminals of AC1 and AC2 are connected inside the
Sunny Island.