4 Product Overview
4.3
System Structure
PV main
distribution box
(not included in the
delivery)
MULTICLUSTER BOX
(Main AC distribution board)
LOAD
Figure 3 : Circuitry principle of a multicluster system – example with Grid-Connect-Box
12
GRID-BOX-12-3-20-BE-xx-12
Load contactor
SMA Solar Technology AG
PV MODULES
PV INVERTERS
GRID-BOX
Generator contactor
SUNNY ISLAND
BATTERY FUSE
BATTERY
UTILITY GRID
GENERATOR
Operating manual