11 Technical Data of the Multicluster Box 6.3
SMA Solar Technology AG
38
MC-BOX-6_12-BE-en-20
Operating Manual
11 Technical Data of the Multicluster Box 6.3
Load Connection
Sunny Island Connection
Generator Connection
Quantity
1 x three-phase
Rated power
55 kW
Rated operating voltage between L and N
230 V
Rated operating voltage between L1 and L2
400 V
Current at rated values
3 x 80 A
Diameter of stud terminal for connecting N
6 mm
Diameter of stud terminal for connecting the grounding conductor 6 mm
Diameter of the screws at the fuse switch-disconnector for
connecting L1, L2, L3
8 mm
Maximum torque of stud terminal
6 Nm
Maximum torque of the fuse switch-disconnector
14 Nm
Maximum connectable conductor cross-section
35 mm²
Fuse
LV/HRC size 00
Maximum allowed fuse rating
80 A
Maximum number of Sunny Island inverters
6
Rated power of the Sunny Island
36 kW
Rated operating voltage between L and N
230 V
Rated operating voltage between L1 and L2
400 V
Current at Sunny Island ratings
3 x 52.2 A
Maximum unaffected short-circuit current at the feed-in terminal
≤ 17 kA
Maximum connectable conductor cross-section
Rigid cable: 25 mm²
Fine-stranded cable: 16 mm²
Fuses
6 x circuit breaker C 40 A
Quantity
1 x three-phase
Rated input power
55 kW
Rated operating voltage between L and N
230 V
Rated operating voltage between L1 and L2
400 V
