SMA SMC 6000TL Installation - Manual (Page 40)

Electrical Connection SMA Solar Technology AG
40 SMC6-8TL-IEN101040 Installation Guide
• Off
The SMA Power Balancer is deactivated (factory setting).
– In the event of a device fault or grid voltage fault at an inverter, only this inverter is
disconnected from the grid and the other two devices continue to run at an undiminished
power level.
• PowerGuard
This setting can be selected if the entire PV plant consists of only three 3 Sunny Mini Central
inverters and if, in the event of a failure, the unbalanced load should be limited to 5 kVA over
a 10-minute average.
– If one of the three inverters indicates a grid voltage fault or device fault and stops feeding
in, the other two inverters automatically limit their power to 5 kVA over a 10 minute average.
Unbalanced load limitation for SMC 6000TL-IT / 7000TL-IT / 8000TL-IT
(applies exclusively to Italy)
For the Sunny Mini Central 6000TL-IT / 7000TL-IT / 8000TL-IT, the unbalanced load is
limited to 6 kVA.