SMA SB 1300TL - Manual (Page 33)

5. Check whether the DC connectors have the correct polarity.
If the DC connector is equipped with a DC cable of the wrong polarity, the DC connector must
be assembled again. The DC cable must always have the same polarity as the DC connector.
6. Ensure that the open-circuit voltage of the PV array does not exceed the maximum input
voltage.
7. Connect the assembled DC connectors to the
inverter.
☑ The DC connectors snap into place.
6 Electrical Connection SMA Solar Technology AG
Operating Manual 33 SB13-21TL-BE-en-11