SMA AUTOMATIC SWITCH BOX M - Manual (Page 27)

SMA Solar Technology AG Electrical Connection
Installation Guide AS-BoxM-IEN091711 27
5.6 Connecting the Sunny Backup
Cable Requirements
The cable type and laying method must be suitable for the application and use location.
Securing the Sunny Backup
The Sunny Backup is secured with a C32 A line circuit breaker inside the Automatic Switch
Box.
Cable cross section
SMA Solar Technology recommends cables with a cross-section of 6 mm
2
.
Cable cross section