Fronius Symo 20.0-3 480 22.7-3 480
Permitted ambient temperature -40 °F to +140 °F (-40 °C to +60 °C)
Permitted storage temperature -40 °F to +158 °F (-40 °C to +70 °C)
Permissible humidity 0 - 100%
Noise emission 65 dB(A) (ref. 1pW)
Protection devices
Reverse polarity protection Integrated
Stand-alone operation protection Integrated
Arc Fault Circuit Interrupter/interruption Integrated
Photovoltaic insulation monitoring Integrated
High temperature
Operating point shift/
active cooling
1) The maximum current from the inverter to the solar modules if an error occurs on the inverter.
2) Assured by the electrical design of the inverter
3) ind. = inductive cap. = capacitive
Fronius Symo 24.0-3 480
Input data
MPP voltage range 500 - 800 V DC
Input voltage range (at 1000 W/m²/14 °F in an open circuit) 200 - 1000 V DC
Max. input current (MPP1/MPP2)
(MPP1 + MPP2)
33.0/25.0 A
51 A
Max. short circuit current of solar modules (I
SC PV
) (MPP1/
MPP2)
49.5/37.5 A
Max. inverter backfeed current to the array
1)
0.0 A
2)
Output data
Nominal output power (P
nom
)
23,995 W
Max. output power (+104 °F) 23,995 W
Max. output power (+140 °F) at 480 V 14,400 W
Rated apparent power 23,995 W
Phases 3 ~ NPE
Nominal grid voltage at 480 V 277 V / 480 V
Operating range AC voltage -12 to +10%
Adjustment range for grid voltage 127–322 V/220–558 V
Max. continuous output current at V
nom
at 480 V
28.9 A
Recommended min. AC overcurrent protection at 480 V 40 A
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EN-US