SMA SB 2800i Installation - Manual (Page 15)

Installation Guide Requirements for the Installation
SB2800i-11:SE0504 SMA Regelsysteme GmbH 13
4.3 Requirements: Grid 230 V~ (AC)
The relevant technical regulations as well as specific requirements
defined by the local public utility have to be complied with.
The terminals of the Sunny Boy 2800i are suitable for cables with
a cross-section of up to 2.5 mm². The Sunny Boy is connected with
three wires (L, N, PE).
Each connection to a Sunny Boy 2800i must be
equipped with a separate circuit breaker 16 A.
No other consumers may be connected to the
cable.
The Sunny Boy has to be connected
to grid with three wires!
No additional consumers may be
connected between the Sunny Boy
and the fuse!