SMA STP 50-40 - Connecting the PV Array

6 Electrical Connection
SMA Solar Technology AG
Operating manualSTP50-4x-BE-en-2350
☑ The stranded wire can be seen inside the
clamping bracket chamber.
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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.
5. To take out the cable, loosen the clamping bracket.
To do so, insert a screwdriver (blade width: 3.5mm)
into the clamping bracket and pry the clamping
bracket open.
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6. Remove the cable and go back to step2.
7. Push the swivel nut up to the thread and tighten
(torque: 2Nm).
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6.5.3 Connecting the PV Array
WARNING
Danger to life due to electric shock from destruction of the measuring device
due to overvoltage
Overvoltage can damage a measuring device and result in voltage being present in the
enclosure of the measuring device. Touching the live enclosure of the measuring device results in
death or lethal injuries due to electric shock.
• Only use measuring devices with a DC input voltage range of 1000V or higher.