SMA SC 500CP XT Installation - Manual (Page 24)

5. Clean all contact surfaces in the connection area using a clean cloth and ethanol cleaning agent and do not
touch the contact surfaces after cleaning.
6. Connect the cables in accordance with the circuit diagram. Only use the screws, nuts and washers included in the
scope of delivery and make sure that the screw heads always point forwards.
7. Secure the cables on the cable support rail. This will prevent the cable from being pulled out inadvertently.
8. Mount the protective covers (see Section 7.2.2, page 41).
9. Mount the panels (see Section 7.2.1, page 40).
5.4 Installing the DC Connection
5.4.1 Connecting the DC Cable to the Busbar
Figure 6: Dimensions of the DC busbar (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.
5 Installation SMA Solar Technology AG
Operating Manual SCCPXT-IA-E4-en-44 24