SMA SC 500CP-10-JP Installation Manual - Manual (Page 42)

9 Grounding Terminal SMA Solar Technology AG
42 SCCP-JP-IA-A4-en-12 Installation Manual
9 Grounding Terminal
9.1 Cable and Terminal Lug Requirements
Cables:
☐ Use copper or aluminum cables only.
☐ Maximum cable cross-section: 400 mm
2
Terminal lugs:
☐ Only use tin-plated terminal lugs.
☐ Only use the nuts, screws and washers included in the scope of delivery for the connection.
☐ Always connect two-hole terminal lugs with two screws.
☐ The terminal lugs must be designed for temperatures of at least +95°C.
☐ The width of the terminal lugs must exceed the washer diameter (32 mm). This will ensure that the defined torques
are effective over the whole surface.
9.2 Grounding
Figure 16: Connecting with one terminal lug
Equipotential bonding
• Ground the Sunny Central in accordance with the applicable regulations.
Position Designation
A Nut
B Spring washer
C Fender washer
D Busbar