Electrical Connection SMA Solar Technology AG
28 SMC9-11TLRP-IEN100640 Installation Guide
5.2.3 Additional Grounding of the Housing
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. Insert the stripped grounding cable (D) under the
clamping clip (C) (max. cross-section 16 mm²).
2. Screw the clamping clip tight with screw (A) and
tooth lock washer (B).
The toothing of the tooth lock washer must face
toward the clamping clip.
☑ The inverter's enclosure is additionally grounded.
You can ground multiple inverters as shown in the diagram below:
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