SMA SI 3324 Errata - Manual (Page 3)

SMA Solar Technology AG Electrical Connection
Installation Guide 3/16 SI3324_4248-E-IEN094410
1.2.2 Exterior View
All cables are fed through the enclosure openings on the bottom side of the Sunny Island and
connected to the appropriate connection terminals on the inside
.
Metric-thread Cable Screw Connection
Use the metric-thread cable screw connections and fasten the AC cables inside the Sunny Island
enclosure in a manner conforming to the appropriate standards. The metric-thread cable screw
connections guarantee a dust-free and waterproof installation of the cables in the enclosure and also
provide strain relief for the cable connection.
If properly installed, the terminals and cable feed-through seals guarantee IP30 protection.
Object Description
A DC connection (negative)
B DC connection (positive)
C AC output (stand-alone grid)
D AC output (generator or grid)
E Grounding
F additional connection terminals (e.g. communication, control relays)
G Battery Current Sensor