SMA WB 5000A-11 Installation - Manual (Page 28)

Electrical Connection SMA Solar Technology AG
28 WB5A_6A-IA-IEN114540 Installation Manual
5.2.3 Additional Grounding of the Enclosure
If the installation so requires, you can use the ground terminal to connect a second protective
conductor or as equipotential bonding.
Procedure
1. Insert stripped grounding cable (D) underneath the
clamping bracket (C) (cross-section max. 16 mm²
or with bootlace ferrule max. 10 mm²).
2. Secure the clamping bracket with the screw (A) and
washer (B).
The toothing of the washer must face toward the
clamping bracket.
☑ The inverter enclosure is additionally grounded.
You can ground multiple inverters as shown in the diagram below: