Connecting The Pv Array - SMA STP3.0-3AV-40 Operating Manual

SMA Solar Technology AG
☑ The stranded wire can be seen inside the
clamping bracket chamber.
4. If the stranded wire is not visible in the chamber, the cable is not correctly inserted and the
connector must be reassembled. To do this, the cable must be removed from the connector.
• Release the clamping bracket. To do so, insert
a screwdriver (blade width: 3.5 mm) into the
clamping bracket and pry the clamping bracket
open.
• Remove the cable and go back to step 2.
5. Push the swivel nut up to the thread and tighten (torque: 2 Nm).
6.6.3

Connecting the PV Array

Destruction of the inverter due to overvoltage
If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the inverter,
the inverter can be destroyed due to overvoltage.
• If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the
inverter, do not connect any strings to the inverter and check the design of the PV system.
Operating manual
NOTICE
6 Electrical Connection
STP3-6-3AV-40-BE-en-13 39