INPUT DATA |
Fronius Symo 4.5-3-S |
Fronius Symo 4.5-3-M |
Max. input current (Idc max 1 / Idc max 21)) |
16.0 A / 16.0 A |
Max. array short circuit current (MPP1/MPP21))
|
24.0 A / 24.0 A |
Min. input voltage (Udc min) |
150 V |
Feed-in start voltage (Udc start) |
200 V |
Nominal input voltage (Udc,r) |
595 V |
Max. input voltage (Udc max) |
1,000 V |
MPP voltage range (Umpp min – Umpp max) |
300 - 800 V |
150 - 800 V |
Number of MPP trackers |
1 |
2 |
Number of DC connections |
3 |
2 + 2 |
Max. PV generator output (Pdc max) |
9.0 kWpeak |
9.0 kWpeak |
OUTPUT DATA |
|
|
AC nominal output (Pac,r) |
4,500 W |
4,500 W |
Max. output power |
4,500 VA |
4,500 VA |
AC output current (Iac nom) |
6.5 A |
6.5 A |
Grid connection (voltage range) |
3~NPE 400 V / 230 V or 3~NPE 380 V / 220 V (+20 % / - 30 %) |
Frequency (frequency range) |
50 Hz / 60 Hz (45 - 65 Hz) |
Total harmonic distortion |
< 3 % |
Power factor (cos φac,r) |
0.70 - 1 ind. / cap. |
0.85 - 1 ind. / cap. |
GENERAL DATA |
|
|
Dimensions (height x width x depth) |
645 x 431 x 204 mm |
Weight |
16.0 kg |
19.9 kg |
Degree of protection |
IP 65 |
Protection class |
1 |
Overvoltage category (DC / AC)2) |
2 / 3 |
Night time consumption |
< 1 W |
Inverter design |
Transformerless |
Cooling |
Regulated air cooling |
Installation |
Indoor and outdoor installation |
Ambient temperature range |
-25 - +60 °C |
Permitted humidity |
0 - 100 % |
Max. altitude |
2,000 m / 3,400 m (unrestricted / restricted voltage range) |
DC connection technology |
3x DC+ and 3x DC- screw terminals 2.5 - 16 mm² |
4x DC+ and 4x DC- screw terminals 2.5 - 16 mm² 3) |
AC connection technology |
5-pin AC screw terminals 2.5 - 16 mm² |
5-pin AC screw terminals 2.5 - 16 mm² 3) |
Certificates and compliance with standards |
ÖVE / ÖNORM E 8001-4-712, DIN V VDE 0126-1-1/A1, VDE AR N 4105, IEC 62109-1/-2, IEC 62116, IEC 61727, AS 3100, AS 4777-2, AS 4777-3, CER 06-190, G83/2, UNE 206007-1, SI 4777 1), CEI 0-211), NRS 097 |
EFFICIENCY |
|
|
Max. efficiency |
98.0 % |
European efficiency (ηEU) |
97.0 % |
97.2 % |
η at 5 % Pac,r4) |
84.8 / 88.5 / 82.8 % |
83.4 / 90.3 / 85.0 % |
η at 10 % Pac,r4) |
91.7 / 93.7 / 90.3 % |
89.2 / 94.1 / 91.2 % |
η at 20 % Pac,r4) |
94.6 / 96.3 / 94.5 % |
92.8 / 96.5 / 95.1 % |
η at 25 % Pac,r4) |
95.2 / 96.8 / 95.4 % |
93.5 / 97.0 / 95.8 % |
η at 30 % Pac,r4) |
95.6 / 97.2 / 95.9 % |
94.2 / 97.3 / 96.3 % |
η at 50 % Pac,r4) |
96.4 / 97.7 / 97.0 % |
94.9 / 97.8 / 97.2 % |
η at 75 % Pac,r4) |
96.6 / 98.0 / 97.4 % |
95.1 / 98.0 / 97.5 % |
η at 100 % Pac,r4) |
96.6 / 98.0 / 97.5 % |
95.0 / 98.0 / 97.6 % |
MPP adaption efficiency |
> 99.9 % |
PROTECTIVE DEVICES |
|
|
DC insulation measurement |
Yes |
Overload behaviour |
Operating point shift, power limitation |
DC disconnector |
Yes |
Reverse polarity protection |
Yes |
INTERFACES |
|
|
WLAN / Ethernet LAN |
Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) |
6 inputs and 4 digital in/out |
Interface to ripple control receiver |
USB (type A socket)5) |
Datalogging, inverter update via USB flash drive |
2x RS422 (RJ45 socket 5) |
Fronius Solar Net, interface protocol |
Signalling output5) |
Energy management (floating relay output) |
Datalogger and Webserver |
Included |
External input5) |
S0 meter connection / Evaluation of overvoltage protection |
RS485 |
Modbus RTU SunSpec or meter connection |