SMA SUNNY BOY 3.0 - Protective Devices

13 Technical Data
SMA Solar Technology AG
Operating manual SBxx-1AV-41-BE-en-12 105
Additional data volume when using the
SunnyPortal live interface
660 kB/hour
Topology Transformerless
Cooling method Convection
Degree of protection for electronics in accor-
dance with IEC60529
IP65
Protection class in accordance with
IEC62109-1
I
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