2 safety, 1 intended use – SMA MULTICLUSTER BOX 36 User Manual
Page 7
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SMA Solar Technology AG
2 Safety
Operating Manual
MC_BOX_36-BE-en-20
7
2 Safety
2.1 Intended Use
The Multicluster Box is a component of the SMA multicluster technology for off-grid systems. The
Multicluster Box is a main AC distribution board to which you can connect up to twelve three-phase
clusters. Each cluster consists of three Sunny Island inverters of the same device type with parallel
DC-side connection.
Figure 1: Circuitry principle
Connection requirements
The Multicluster Box is designed for connection to TN systems. The Multicluster Box must
be grounded prior to commissioning (see Section 7.9, page 33).
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