8
3.2 System components
No.
Designation
Function
1
sonnenProtect1300-AU-IN-ATS
Contactor module
2
Inverter connector cable
Grid & Backup supply connection
3
Output cable
Connection cable to backup sub-board
4
30mA RCBO
10A RCD for installer to connect to AC output
5
25A MCB
Main isolator for sonnenBatterie AC grid supply
6
6A MCB
Main isolator for backup circuits after the RCBO
3.3 Function
The outlet cable of the sonnenProtect supplies electrical power both in grid and emergency operation. The
switchover time between grid and emergency operation is stated in the technical data. In the event that the
sonnenBatterie is turned off or has an unexpected issue, the power supply to the sonnenProtect backup circuits
are automatically fed from the normal grid supply.
