6 Electrical Connection SMA Solar Technology AG
46 SB30-50TL-21-IA-en-21 Installation Manual
3. Check the DC connectors for correct polarity and
connect them.
☑ The DC connectors click audibly into place.
For information on how to release the DC
connector (see Section9.2 "Disconnecting the
Inverter from Voltage Sources", page64).
4. If you do not need all DC inputs on the inverter, seal the enclosure using DC connectors and
sealing plugs:
– With unused DC connectors, push down the
clamping bracket and push the screw
connection up to the thread.
– Insert the sealing plug into the DC connector.
– Tighten the screw connection (torque: 2 Nm).
Sealing plug
•Do not insert the sealing plugs directly into the DC inputs on the inverter.
To Next Page
Loading...
