Fronius Symo x.x-3-S Manuale d'uso
Pagina 54

52
Fronius Symo
3.0-3-M
3.7-3-M
4.5-3-M
Input data
MPP voltage range
150 - 800 V DC
150 - 800 V DC
150 - 800 V DC
Max. input voltage
(at 1000 W/m²/ -10 °C in an open circuit)
1000 V DC
Min. input voltage
150 V DC
Max. input current
2 x 16.0 A
Max. short circuit current of the solar mod-
ules (I
SC PV
)
2 x 24.0 A
Max. feedback current
4)
48 A (RMS)
5)
Output data
Nominal output power (P
nom
)
3000 W
3700 W
4500 W
Max. output power
3000 W
3700 W
4500 W
Nominal grid voltage
3 ~ NPE 220/230 V / 380/400 V
Min. grid voltage
150 V / 260 V
Max. grid voltage
280 V / 485 V
Nominal output current at 220 / 230 V
4.6 / 4.4 A
5.6 / 5.4 A
6.8 / 6.5 A
Max. output current
13.5 A
Nominal frequency
50 / 60 Hz
1)
Total harmonic distortion
< 3 %
Power factor cos phi
0.85 - 1 ind./cap.
2)
Power-up current pulse
6)
and duration
38 A / 2 ms
Max. output fault current per period
24 A (RMS)
General data
Maximum efficiency
98 %
Europ. efficiency
96.5 %
96.9 %
97.2 %
Overnight self-consumption
< 0.7 W & < 3 VA
Cooling
Controlled forced-air ventilation
Degree of protection
IP 65
Dimensions h x w x d
645 x 431 x 204 mm
Weight
19.9 kg
Permissible ambient temperature
-25 °C - +60 °C
Permitted humidity
0 - 100 %
EMC emission class
B
Overvoltage category DC / AC
2 / 3
Pollution level
2
Noise emission
59.5 dB(A) ref. 1pW
Protection devices
DC insulation measurement
Integrated
Response to DC overload
Operating point shift, power limitation
DC disconnector
Integrated
RCMU
Integrated