Fronius Symo 20.0-3 480 22.7-3 480
Input data
MPP voltage range 450 - 800 V DC 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
) 19,995 W 22,727 W
Max. output power (+104 °F) 19,995 W 22,727 W
Max. output power (+140 °F)
at 440 V 12,200 W 12,200 W
at 480 V 14,400 W 14,400 W
Rated apparent power 19,995 VA 22,727 VA
Phases 3 ~ NPE
Nominal grid voltage
at 440 V 254 V / 440 V
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 440 V 26.2 A 29.8 A
at 480 V 24.0 A 27.3 A
Recommended min. AC overcurrent protection
at 440 V 35.0 A 40.0 A
at 480 V 30.0 A 35.0 A
Max. output fault current per duration 30.9 A / 150.4 ms
Nominal frequency
50/60 Hz
Total harmonic distortion < 1% < 1.25%
Power factor (cos phi)
0 - 1 ind./cap.
3)
General data
Maximum efficiency 98.00%
CEC efficiency
at 440 V
at 480 V 97.50% 97.50%
Cooling Controlled forced-air ventilation
Protection class NEMA 4X
Dimensions h x w x d
28.5 x 20.1 x 8.9 in.
725 x 510 x 225 mm
Weight (full/lite version) 95.7/95.0 lbs. (43.4/43.1 kg)
56
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