SMA SI 3.0-11 Quick Reference Guide V.3.0 - Manual (Page 20)

4 Battery Backup Systems With All-Pole Disconnection SMA Solar Technology AG
20 Ersatzstrom-IS-en-30 Installation - Quick Reference Guide
4 Battery Backup Systems With All-Pole Disconnection
4.1 Single-Phase Battery Backup System
4.1.1 Schematic Diagram of the Automatic Transfer Switch
Figure 3: Schematic diagram of the single-phase automatic transfer switch with all-pole disconnection and optional SMA Energy Meter