Electrical Connection SMA Solar Technology AG
32 SB30TL_40TL_50TL-IA-IEN120231 Installation Guide
5.3.3 Additional Grounding of the Enclosure
If a second protective conductor connection is required in the country of installation, you can also
ground the inverter using a second protective conductor on the connection terminal on the enclosure.
Procedure
1. Undo screw (A) by half way.
2. Insert the stripped grounding cable (D) under the
clamping clip (C) (max. cross-section 16 mm²).
3. Fasten terminal (C).
The toothing of the lock washer (B) must face
toward the terminal clamp.
☑ The inverter's enclosure is additionally grounded.
You can ground multiple inverters as shown in the diagram below:
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