SMA SMC 6000TL Installation - Manual (Page 30)

Electrical Connection SMA Solar Technology AG
30 SMC6-8TL-IEN101040 Installation Guide
5.4 Connection of the PV Generator (DC)
5.4.1 Conditions for the DC Connection
• Requirements for the PV modules of the connected strings:
– Same type
– Same number
– Identical alignment
– Identical tilt
• The connecting cables from the PV modules must be fitted with plug connectors. You will find
the necessary DC plug connector for DC connection in the delivery.
• The following limiting values at the DC input of the inverter may not be exceeded:
Use of Adaptors
Adaptors (branch connectors) are not to be visible or freely accessible in the immediate
surroundings of the inverter.
• The DC current flow may not be interrupted via adaptors.
• Observe the procedure for disconnecting the inverter as described in section
7.2 ”Opening the Inverter” (page 52).
Inverter Maximum input voltage Maximum input current
SMC 6000TL 700 V (DC) 19.0 A (DC)
SMC 7000TL 700 V (DC) 22.0 A (DC)
SMC 8000TL 700 V (DC) 25.0 A (DC)
DANGER!
Risk of lethal electric shock or fire.
The maximum possible input current per string is limited by the plug connectors used. If the
plug connector is overloaded, an electric arc may occur and there is a fire risk.
• Ensure that the input current for each string does not exceed the maximum flow
current of the plug connectors used.
The residual current breaker
The inverter is equipped with an integrated universal current sensitive residual-current
monitoring unit. The inverter can automatically differ between real fault currents and
"normal" capacitive leakage currents.
If an external RCD or residual current breaker is strictly required, you must use a switch that
triggers at a failure current of 100 mA or higher.