SMA SUNNY TRIPOWER CORE1 - Protective Devices

13 Technical Data
SMA Solar Technology AG
Operating manual STP50-40-BE-en-15 107
Operating range at AC power frequency 50Hz 44Hz to 55Hz
Operating range at AC power frequency 60Hz 54Hz to 65Hz
Power factor at rated power 1
Displacement power factor, adjustable 0.0overexcitedto0.0underexcited
Feed-in phases 3
Phase connection 3 (+1)
Surge category in accordance with
IEC62109-1
III
* Depending on the configured country data set
Multifunction relay
Maximum DC switching voltage 30V
Maximum AC switching current 1.0A
Maximum DC switching current 1.0A
Minimum load 0.1W
Minimum electrical endurance when the maxi-
mum switching voltage and maximum switching
current are complied with*
100000 switching cycles
* Corresponds to 20years at 12switching operations per day
Efficiency
Maximum efficiency, η
max
> 98.1%
European weighted efficiency, η
EU
> 97.8%
Protective Devices
DC reverse polarity protection Short-circuit diode
Input-side disconnection point DC Load-Break Switch
DC surge protection Surge arrester type1 and 2 (optional)
AC short-circuit current capability Current control
Grid monitoring SMA Grid Guard 10.0
Maximum overcurrent protection 100A
Ground fault monitoring Insulation monitoring: R
iso
>34kΩ
All-pole sensitive residual-current monitoring unit Available