SMA S Technical Description page 80

Electrical Connection of the Automatic Switch Box S
Concluding Tasks
Check to see if all the feed-throughs on the devices are tightly sealed and no unsealed openings
remain.
Make sure all of the inserted cables are strain-relieved and the communication cables inside the
Automatic Switch Box S cannot come into contact with the stripped 230 V wires.
Information
When routing cables between the Sunny Backup 2200 and the Automatic Switch Box S,
only permanent cable installation and strain-relieved cables are permissible.
Use sheathed cables (doubly insulated conductors)!
The installation of the Automatic Switch Box S is now complete.
Inserting the NH Fuse
NOTICE!
Inserting the NH fuse.
• When inserting the NH fuse, always use an NH handle and wear gloves!
• Observe all relevant safety guidelines set forth by the professional association.
Method for inserting the NH fuse:
Information
When starting up the device for the first time or if the device has been disconnected from
the battery for an extended period, a current flow may occur when inserting the NF fuses,
even if the Sunny Backup 2200 is switched off.
Such a current flow does not pose a danger and is caused by the charging current in the
input capacitors of the device.
7. Place the bottom of the NH fuse plug on the
bracket using the NH handle
(as per VDE 0680 4).
80 SBU2200-TEN083320
SMA Solar Technology AG
Technical Description