SMA SB 3300TL Installation - Manual (Page 22)

Installation SMA Technologie AG
Page 22 SB3300TL-11:SE2006 Installation Guide
5. Connect the earth wire (PE) of the mains lead to
the top terminal of the three-terminal block on
the circuit board.
Connection of PE conductor
6. Fix the PE conductor on the lid again. Fasten the lid to the enclosure of the Sunny
Boy 3300TL by tightening the four screws.
Do not switch on the circuit breaker yet! The Sunny Boy 3300TL
may only be connected to the AC grid when the PV strings have
been connected and the device is tightly closed.