| INPUT DATA |
Fronius Symo 12.5-3-M |
Max. input current
(Idc max1 / Idc max2) |
27.0 A / 16.5 A1) |
Max. usable input current total
(Idc max1 + Idc max2) |
43.5 A |
| Max.array short circuit current (MPP1 / MPP2) |
40.5 A / 24.8 A |
| Min. input voltage (Udc min) |
200 V |
| Feed-in start voltage (Udc start) |
200 V |
| Nominal input voltage (Udc,r) |
600 V |
Max. input voltage
(Udc max) |
1,000 V |
MPP voltage range
(Umpp min - Umpp max) |
320 - 800 V |
| Number of MPP trackers |
2 |
| Number of DC connections |
3 + 3 |
| Max. PV generator output (Pdc max) |
18.8 kWpeak |
| OUTPUT DATA |
|
| AC nominal output (Pac,r) |
12,500 W |
| Max. output power |
12,500 VA |
| AC output current (Iac nom) |
18.0 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 |
2.0 % |
| Power factor (cos φac,r) |
0 - 1 ind. / cap. |
| GENERAL DATA |
|
Dimensions
(height x width x depth) |
725 x 510 x 225 mm |
| Weight |
34.8 kg |
| Degree of protection |
IP 66 |
| Protection class |
1 |
| Overvoltage category (DC / AC)2) |
1 + 2 / 3 |
| Night time consumption |
< 1 W |
| Inverter design |
Transformerless |
| Cooling |
Regulated air cooling |
| Installation |
Indoor and outdoor installation |
| Ambient temperature range |
-40°C to +60°C |
| Permitted humidity |
0 % to 100 % |
| Max. altitude |
2,000 m / 3,400 m (unrestricted / restricted voltage range) |
| DC connection technology |
6x DC+ and 6x DC- screw terminals 2.5 mm² - 16 mm² |
| AC connection technology |
5-pin AC screw terminals 2.5 mm² - 16 mm² |
| 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, CEI 0-16, CEI 0-21, NRS 097 |
| EFFICIENCY |
|
| Max. efficiency |
98.0 % |
| European efficiency (ηEU) |
97.6 % |
| η at 5 % Pac,r3) |
88.7 / 93.1 / 90.1 % |
| η at 10 % Pac,r3) |
92.9 / 96.1 / 94.6 % |
| η at 20 % Pac,r3) |
95.4 / 97.3 / 96.6 % |
| η at 25 % Pac,r3) |
95.6 / 97.6 / 97.0 % |
| η at 30 % Pac,r3) |
95.9 / 97.7 / 97.2 % |
| η at 50 % Pac,r3) |
96.4 / 98.0 / 97.5 % |
| η at 75 % Pac,r3) |
96.5 / 98.0 / 97.6 % |
| η at 100 % Pac,r3) |
96.5 / 97.8 / 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 |
N.A. |
| 6 inputs and 4 digital in/out |
Interface to ripple control receiver |
| USB (type A socket)4) |
Datalogging, inverter update via USB flash drive |
| 2 x RS422 (RJ45 socket)4) |
Fronius Solar Net, Interface protocol |
| Signalling output4) |
Energy management (floating relay output) |
| Datalogger and Webserver |
Included |
| External input4) |
S0 meter connection / Evaluation of overvoltage protection |
| RS485 |
Modbus RTU SunSpec or meter connection |
|
