SMA AUTOMATIC SWITCH BOX XL - Manual (Page 33)

SMA Solar Technology AG Electrical Connection
Installation Guide AS-BOX-XL-IEN094410 33
Cable Sizing
The cable type and routing method must be suitable for the application and the deployment location.
Select the cable according to the upstream fuse on the grid side.
The required cross-section of the cables depends on the upstream fuse.
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-X1 Load Meter" terminal according to the labels. The second
connection terminal "N" is not assigned.
3. Connect L1, L2 and L3 to the "=AS-X1 Load Meter" terminal according to the labels.
☑ The consumption meter is now connected to the Automatic Switch Box.
ATTENTION!
Destruction of the Automatic Switch Box due to missing back-up fuse.
• Use max. one 160 A fuse as back-up fuse in the distribution.