SMA Off-Grid Systems - Manual (Page 24)

5 Single-Cluster System SMA Solar Technology AG
24 Off-Grid-IS-en-30 Installation - Quick Reference Guide
5 Single-Cluster System
5.1 Circuitry Overview Single-Phase Single-Cluster System
Figure 8: Circuitry overview single-phase single-cluster system, only possible with SI6.0H-11 or SI8.0H-11
Required device types for single-phase single-cluster systems
In single-phase single-cluster systems, the Sunny Island inverters must be device type SI6.0H-11 or SI8.0H-11.