12 Technical Data
SMA Solar Technology AG
Operating manual
MC-BOX-6-3-BE-en-30
30
12 Technical Data
Connection of loads
Number of terminals
1 x three-phase
Rated power
55 kW
Rated grid voltage between L and N
230 V
Rated grid voltage between L1 and L2
400 V
AC voltage range between L1 and N
172.5 V to 265 V
AC voltage range between L1 and L2
300 V to 433 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
(PE)
6 mm
Diameter of screws at the fuse switch-disconnector for connecting L1,
L2, L3
8 mm
Maximum torque of the stud terminal
6 Nm
Maximum torque of the fuse switch-disconnector
14 Nm
Maximum connectable conductor cross-section
35 mm²
Fuse
LV/HRC 00
Maximum permitted fuse rating
80 A
Sunny Island Connection
Maximum number of Sunny Island inverters
6
Rated power of the Sunny Island inverters
36 kW
Rated operating voltage between L and N
230 W
Rated operating voltage between L1 and L2
400 W
Current at Sunny Island ratings
3 x 52.2 A
Unaffected short-circuit current / relative rated short-circuit current at
the feed-in terminal
≤ 17 kA
Maximum connectable conductor cross-section for a rigid cable
25 mm²
Maximum connectable conductor cross-section for a fine-stranded
cable
16 mm²
Fuses
6 x miniature circuit breaker
C40 A
