54
Technical data
Fronius Symo
3.0-3-S
3.7-3-S
4.5-3-S
Input data
MPP voltage range
200 - 800 V DC
250 - 800 V DC
300 - 800 V DC
Max. input voltage
(at 1,000 W/m² / -10 °C in an open circuit)
1000 V DC
Min. input voltage
150 V DC
Max. input current
16.0 A
Max. short circuit current of the solar mod-
ules (I
SC PV
)
24.0 A
Max. feedback current
4)
32 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 400 / 230 V or 3~ NPE 380 / 220 V
Min. grid voltage
150 V / 260 V
Max. grid voltage
280 V / 485 V
Nominal output current at 220 / 230 V
4.5 / 4.3 A
5.6 / 5.4 A
6.8 / 6.5 A
Max. output current
9 A
Nominal frequency
50 / 60 Hz
1)
Total harmonic distortion
< 3%
cos phi power factor
0.7 - 1 ind./cap.
2)
Power-up current pulse
6)
and duration
38 A / 2 ms
Max. output fault current per period
21.4 A / 1 ms
General data
Maximum efficiency
98%
European efficiency
96.2%
96.7%
97%
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
16 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
58.3 dB(A) ref. 1pW
Protection devices
DC insulation measurement
Integrated
Response to DC overload
Operating point shift, power limitation
DC disconnector
Integrated
RCMU
Integrated
Содержание 25.0-3-S
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