6 Electrical Connection SMA Solar Technology AG
42 SB30-50TL-21-IA-en-21 Installation Manual
6.4.2 Assembling the DC Connectors
All PV display module connection cables must be equipped with the DC connectors supplied before
connecting them to the inverter.
Assemble the DC connectors as described below. Be sure to observe the correct polarity.
The DC connectors are marked with the symbols "+" and " − ".
Cable Requirements
• Use a PV1-F cable.
Procedure
1. Lead the stripped cable all the way into the DC
connector.
2. Press the clamping bracket down until it audibly
snaps into place.
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