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Technical Data
68
Performance
REFUsol 50K-3T
982081 | 03 | 2021-03
9.3 Performance
9.4 Protection
Adjustable power factor range
1/0.8 inductive –
0.8 capacitive
AC connection
Ring cable lugs (M6)
REFUsol Inverter Type
Art.-No.
50K-3T
851P050.300
Max. efficiency
98.5 %
Weighted European efficiency (EU/
CEC)
98.3 %
MPPT efficiency
>99.9 %
Self-consumption at night
<1 W
Feed-in start power
50 W
REFUsol Inverter Type
Art.-No.
50K-3T
851P050.300
REFUsol Inverter Type
Art.-No.
50K-3T
851P050.300
DC switch
Integrated
Safety protection
Anti-Islanding, DC
reverse polarity,
overtemperature,
overvoltage, over
-
current, RCD, and
insulation monitor
-
ing
String monitoring
Each MPPT
String fuses
–
Protection class
Class I
Overvoltage category
DC: II
AC: III
External environment pollution de
-
gree
3
Max. inverter back-feed current to the
array
<6 mA
Output short circuit current
128A
Output inrush current
116 A