SMA SB 3300-11 Installation - Manual (Page 35)

SMA Solar Technology AG Electrical Connection
Installation Manual SB33-38-11-IA-en-62 35
4. Check the strings for ground faults as described in section 9.3.1 "Checking the PV Array for
Ground Faults" (page 56).
5. Connect the assembled DC connectors to the inverter.
☑ The DC connectors click audibly into position.
To release the DC connectors, see section 7.2 "Opening the Inverter" (page 41).
6. In order to seal the inverter, all the DC inputs that are not required have to be closed with
DC connectors and sealing plugs:
– For unused DC connectors, push down the
clamping bracket and push it onto the cable
gland.
– Plug the sealing plug into the DC connector.
NOTICE!
Excessive currents can damage the inverter
• The maximum current per DC connector may not exceed 16 A.
Sealing plugs
• Do not plug the sealing plugs directly into the DC inputs on the inverter.
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