SMA SB 1200 Installation - Manual (Page 27)

SMA Solar Technology AG Electrical Connection
Installation Guide SB12-17-IA-en-52 27
5.2.3 Connecting additional grounding
If a second grounding conductor, additional grounding or potential equalization is required, you may
also ground the inverter on the enclosure.
Additional grounding overview
Procedure
1. Fit the washer, terminal lug with grounding
conductor and locking washer onto the cylinder
head screw. The toothing of the locking washer
must face toward the metal shackle.
2. Insert the cylinder head screw into the metal
shackle on the underside of the enclosure and
screw into the wall bracket. Tighten the cylinder
head screw using a torque of 6 Nm.
3. Check that the contact between the grounding
conductor and the enclosure is in accordance with
the regulations valid for the country of installation.
Object Description
A M6x12 cylinder head screw (included in the scope of delivery)
B Washer
C Terminal lug (M6) with grounding conductor
D Locking washer (included in scope of delivery)
E Metal shackle on the underside of the enclosure
F Wall bracket of the inverter