SMA AUTOMATIC SWITCH BOX M-20 User Manual
Page 54
10 Technical Data
SMA Solar Technology AG
54
AS-BOX-M_L-IA-IEN110320
Installation Guide
Rated insulation voltage
Load connection
Consumption meter connection
Switch cabinet wiring
2.5 kV AC
230 V AC terminals on control board
1.7 kV DC
Communication ports on control board
500 V DC
Nominal power at 35 °C
7.4 kW
Nominal current with grid operation per phase at 35 °C
32 A
Power for 30 minutes at 35 °C
8.9 kW
Current with grid operation per phase for 30 minutes at
35 °C
38 A
Maximum cross-section of the insulated conductor to be
connected
16 mm²
Stripping length of the insulated conductors
18 mm … 20 mm
Maximum fuse link to be used
D02
Maximum rated current of the fuse link
40 A
Nominal power at 35 °C
7.4 kW
Nominal current at 35 °C
32 A
Power for 30 minutes at 35 °C
8.9 kW
Current with grid operation per phase for 30 minutes at
35 °C
38 A
Maximum cross-section of the insulated conductor to be
connected
16 mm²
Stripping length of the insulated conductors
18 mm … 20 mm
Maximum rated short-circuit current
10 kA
Maximum nominal current of the back-up fuse
40 A
Short-circuit current switch-off capability of the back-up
fuse
≥ 25 kA
Cut-off current of back-up fuse
≤ 17 kA