Electrical Connection SMA Solar Technology AG
46 SB20_25_30HF-IEN102911 Installation Guide
6.3.2 Assembling the DC Plug Connector
In order to connect to the inverter, all connection cables of the PV modules must be equipped with the
DC plug connectors provided.
To assemble the DC plug connectors, proceed as detailed below.+ Ensure the plug connectors have
the correct polarity. The DC plug connectors have the symbols "+" and " − ".
Cable requirements:
• Use a PV1-F cable.
Procedure:
1. Insert stripped cable into the plug up to the limit.
2. Press the clamping clip down until it audibly snaps
into place.
3. Ensure the cable is correctly in place:
Result Action
☑ If the conductors are visible in the hollow
cavity of the clamping clip, the cable is in
the correct position.
• Proceed to step 4.
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