SMA SC 500CP XT Installation - Manual (Page 27)

5.4.3 Connecting the DC Cables to the Connection Brackets
Figure 7: Connection area for DC fuses (example)
Position Designation
A Connection area DC‒
B Connection area DC+
C DC connection bracket with dimensions
Terminal lug requirements:
☐ Use tin-plated terminal lugs only.
☐ For the connection, only the supplied screws, washers and nuts must be used.
☐ The terminal lugs must be designed according to the temperature. Temperature: +95°C
☐ The width of the terminal lugs must exceed the washer diameter. Washer diameter: 32 mm. This will ensure that
the defined torques are effective over the whole surface.
Cable requirements:
☐ No more than two cables must be connected to each DC terminal.
☐ Use copper or aluminum cables only.
☐ Maximum cable cross-section: 400 mm².
5 Installation SMA Solar Technology AG
Operating Manual 27 SCCPXT-IA-E4-en-44