SMA METER BOX FOR SUNNY BACKUP - Manual (Page 14)

5 Mounting SMA Solar Technology AG
14 METERBOXSBU-IA-en-40 Installation Manual
5. Place the Meter Box on the retainer from above.
☑ Meter Box snaps audibly into place.
5.2.2 Mounting the Meter Box on Top-hat Rail
1. Pull the retainer out of the guide on the rear side of
the Meter Box until only half of the retainer is still
locked in place.
2. Press the Meter Box with the lower guides into the
lower edge of the top-hat rail and the upper guides
of the Meter Box into the upper edge until it locks
into place.