SMA AUTOMATIC SWITCH BOX XL - Manual (Page 35)

SMA Solar Technology AG Electrical Connection
Installation Guide AS-BOX-XL-IEN094410 35
5.4.6 Connecting the Sunny Backup
Connection Procedure
1. Prepare the cables as described in Section 5.3 ”Preparing the cables” (page 24).
2. Connect PE and N to the "=AS-X2 All Cluster" terminal according to the labels.
Fuse protection of the Sunny Backup
Each Sunny Backup is fused with a 32 A line circuit breaker (tripping characteristic C)
inside the Automatic Switch Box.