13 Technical Data
SMA Solar Technology AG
Operating manual
STP8-10-3AV-40-BE-en-12
100
Grid configurations*
IT, Delta-IT, TN-C, TN-S, TN-C-S, TT (when V
N_PE
< 20 V)
*
IT, Delta-IT:
When using in these systems, the grounding conductor monitoring must be deactivated
and an additional grounding connected to the inverter.
13.3 Climatic Conditions
Installation in accordance with IEC 60721-3-3, Class 4K4H
Extended temperature range
-25°C to +60°C
Extended humidity range
0% to 100%
Extended air pressure range
79.5 kPa to 106 kPa
Transport in accordance with IEC 60721-3-2, Class 2K3
Temperature range
-25°C to +70°C
13.4 Protective Devices
DC reverse polarity protection
Short-circuit diode
Input-side disconnection point
DC Load-Break Switch
AC short-circuit current capability
Current control
Grid monitoring
SMA Grid Guard 10.0
Maximum overcurrent protection
32 A
Ground fault monitoring
Insulation monitoring: R
iso
> 200 kΩ
All-pole sensitive residual-current monitoring unit
Available
13.5 Equipment
DC connection
SUNCLIX DC connector
AC connection
AC connector
WLAN
As standard
SMA Speedwire/Webconnect
As standard
RS485
As standard
13.6 Torques
Screws for securing the inverter to the wall
mounting bracket
2.5 Nm
Additional grounding
2.5 Nm
SUNCLIX swivel nut
2.0 Nm
