SMA Solar Technology AG
Electrical Connection of the Automatic Switch Box S
Technical Description
SBU2200-TEN083320
69
8 Electrical Connection of the Automatic Switch Box S
The Automatic Switch Box S is the automatic switching device of the Sunny Backup system.
8.1 At a Glance
All connection terminals for external AC cables are located on the bottom row of the mounting plate.
The connection sockets for the communication cables are on the upper left section in the housing.
DANGER!
Risk of death by electric shock due to improperly wired connections.
• Only qualified electricians are permitted to install the electrical connections of the
devices.
• Follow all the safety instructions provided in this section during installation work.
Communication ports
AC connection