59
EN
Fronius Symo 15.0-3-M 17.5-3-M 20.0-3-M
Input data
MPP voltage range 320 - 800 V DC 370 - 800 V DC 420 - 800 V DC
Max. input voltage
(at 1,000 W/m² / -10 °C in an open circuit)
1000 V DC
Min. input voltage 200 V DC
Max. input current (MPP1 / MPP2)
(MPP1 + MPP2)
33.0 / 27.0 A
51.0 A
Max. short circuit current of the solar mod-
ules (I
SC PV
) (MPP1 / MPP2)
49.5 / 40.5 A
Max. feedback current
4)
49.5 / 40.5 A
Output data
Nominal output power (P
nom
) 15,000 W 17,500 W 20,000 W
Max. output power 15,000 W 17,500 W 20,000 W
Nominal grid voltage 3~ NPE 400 / 230 V or 3~ NPE 380 / 220
Min. grid voltage 150 V / 260 V
Max. grid voltage 280 V / 485 V
Nominal output current at 220 / 230 V 22.7 / 21.7 A 26.5 / 25.4 A 30.3 / 29 A
Max. output current 32 A
Nominal frequency 50 / 60 Hz
1)
Total harmonic distortion < 1.5% < 1.5% < 1.25%
cos phi power factor 0 - 1 ind./cap.
2)
Max. output fault current per period 64 A / 2.34 ms
General data
Maximum efficiency 98%
European efficiency U
DCmin
/ U
DCnom
/
U
DCmax
96.2 / 97.6 / 97.1% 96.4 / 97.7 / 97.2% 96.5 / 97.8 / 97.3%
Overnight self-consumption 0.7 W & 117 VA
Cooling Controlled forced-air ventilation
Degree of protection IP 66
Dimensions h x w x d 725 x 510 x 225 mm
Weight 43.4 kg / 43.2 kg
Permissible ambient temperature - 25 °C - +60 °C
Permitted humidity 0 - 100%
EMC device class B
Overvoltage category DC / AC 2 / 3
Pollution level 2
Noise emission 65 dB(A) (ref. 1pW)
Protection devices
DC insulation measurement Integrated
Response to DC overload Operating point shift, power limitation
DC disconnector Integrated
RCMU Integrated
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