Technical Data
69
Performance
REFUsol 20K...33K-2T
982079 | 05 | 2021-03
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9.3 Performance
9.4 Protection
Nominal grid frequency
50, 60 Hz
Max. output current
32 A
53 A
Total harmonic distortion
(THD)
<3 %
Adjustable power factor
range
1/0.8 inductive –
0.8 capacitive
AC connection
Ring cable lugs (M6)
REFUsol Inverter Type
Art.-No.
20K-2T
850P020.200
33K-2T
850P033.200
Max. efficiency
98.2 %
98.6 %
Weighted European efficiency
(EU/CEC)
98 %
98.2 %
MPPT efficiency
>99.9 %
Self-consumption at night
<1 W
Feed-in start power
45 W
REFUsol Inverter Type
Art.-No.
20K-2T
850P020.200
33K-2T
850P033.200
REFUsol Inverter Type
Art.-No.
20K-2T
850P020.200
33K-2T
850P033.200
DC switch
Integrated
Safety protection
Anti-Islanding, DC reverse
polarity, overtemperature,
overvoltage, overcurrent,
RCD, and insulation moni
-
toring
String monitoring
Each MPPT
String fuses
–
Protection class
Class I
Overvoltage category (OVC)
DC: II
AC: III
External environment pollu
-
tion degree
3
Max. inverter back-feed cur
-
rent to the array
0 A
Output short circuit current
85 A
105 A
Output inrush current
48 A
77 A
Summary of Contents for 20K-2T
Page 71: ......
