SMA AUTOMATIC SWITCH BOX M-20 User Manual
Page 55
SMA Solar Technology AG
10 Technical Data
Installation Guide
AS-BOX-M_L-IA-IEN110320
55
PV plant/feed-in meter connection
Sunny Backup connection
Generator connection
Nominal power at 35 °C
5.7 kW
Nominal current at 35 °C
25 A
Power for 30 minutes at 35 °C
6.8 kW
Current for 30 minutes at 35 °C
30 A
Maximum cross-section of the insulated conductor to be
connected
6 mm²
Stripping length of the insulated conductors
13 mm … 15 mm
Maximum rated short-circuit current
10 kA
Maximum nominal current of the back-up fuse
32 A
Short-circuit current switch-off capability of the back-up
fuse
≥ 25 kA
Cut-off current of back-up fuse
≤ 17 kA
Nominal power at 35 °C
5 kW
Nominal current at 35 °C
22 A
Maximum cross-section of the insulated conductor to be
connected
6 mm²
Stripping length of the insulated conductors
13 mm … 15 mm
Fuse
C 32 A line circuit breaker
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 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
Maximum rated short-circuit current
10 kA