SMA MULTICLUSTER BOX 12 - Manual (Page 18)

6 Electrical Connection SMA Solar Technology AG
18 MC-BOX-12-3-20-BE-en-10 Operating Manual
6.1.2 Enclosure Openings in the Floor
Figure 9: Overview of the enclosure openings
H Grounding busbar X100 To connect the grounding conductors of the generator, the loads
and the PV system
If a Grid Connect Box or NA Box is installed, the corresponding
grounding conductor is also connected here.
I Cable support rail –
K Terminal X104 with spring-cage
terminals L1, L2, L3 and N
To connect the line conductors and the neutral conductor of the
PV system
L Terminal X103 with spring-cage
terminals L1, L2, L3 and N
To connect the line conductors and the neutral conductor of the
main distribution for loads
M Terminal X102 with spring-cage
terminals L1, L2, L3 and N
To connect the line conductors and the neutral conductor of the
generator
N Terminal X101 with spring-cage
terminals L1, L2, L3 and N
To connect the line conductors and the neutral conductor of the
Grid Connect Box or NA Box
If only the Multicluster Box is installed, these terminals are not
connected.
O SIBUCTRL RJ45 pin connectors for connecting the data cables
P Fuses To protect the internal cabling
Position Designation
A Base plate with membranes for inserting the power cables
B Two-part cable feed-through for inserting the data cables
Position Designation Explanation
B
A