Fronius Symo 3.7 3 S WLAN/LAN/WEBSERV

TECHNICAL DATA INPUT DATA Number of MPP trackers 1 Max. input current (I dc max ) 16,0 A Max. short circuit current, module array 24,0 A DC input voltage range (U dc min - U dc max ) 150 - 1000 V Feed-in start voltage (U dc start ) 200 V Nominal input voltage (U dc,r ) 595 V MPP voltage range (U mpp min - U mpp max ) 250 - 800 V Usable MPP voltage range 150 - 800 V Number of DC connections 3 Max. PV generator output (I dc max ) 7,4 kWpeak OUTPUT DATA AC nominal output (P ac,r ) 3700 W Max. output power (P ac max ) 3700 VA AC output current (I ac nom ) 5,3 A Grid connection (U ac,r ) 3~ NPE 400/230, 3~ NPE 380/220 V AC voltage range (U min - U max ) 150 - 280 V Frequency (f r ) 50 / 60 Hz Frequency range (f min - f max ) 45 - 65 Hz Total harmonic distortion < 3 % Power factor (cos φ ac,r ) 0,70 - 1 ind./cap. GENERAL DATA Height 645,0 mm Width 431,0 mm Depth 204,0 mm Weight 16,0 kg Degree of protection IP 65 Protection class 1 Overvoltage category (DC / AC) 1) 2 / 3 Night-time consumption < 1 W Inverter design Transformerless Cooling Regulated air cooling Installation Indoors and outdoors Ambient temperature range -25°C - +60°C Permitted humidity 0 - 100 % Max. altitude 2) 2.000 m / 3.400 m DC connection technology 3x DC+ and 3x DC- screw terminals 2.5 - 16 mm² AC connection technology 5-pin AC screw terminals 2.5 - 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, NRS 097 EFFICIENCY Max. efficiency (PV - grid) 98 % European efficiency (ηEU) 96,7 % η at 5% P ac,r 3) 83,4 / 86,4 / 80,6 % η at 10% P ac,r 3) 90,1 / 92,5 / 88,7 % η at 20% P ac,r 3) 93,7 / 95,7 / 93,6 % η at 25% P ac,r 3) 94,5 / 96,4 / 94,7 % η at 30% P ac,r 3) 95,0 / 96,7 / 95,4 % η at 50% P ac,r 3) 96,9 / 97,6 / 96,7 % η at 75% P ac,r 3) 96,2 / 97,8 / 97,3 % η at 100% P ac,r 3) 96,2 / 98,0 / 97,5 % MPP adaptation efficiency > 99,9 % PROTECTION 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 inputs/outputs Interface to ripple control receiver USB (type A socket) 4) Data logging, inverter update via USB flash drive 2x RS422 (RJ45 socket) 4) Fronius Solar Net Signalling output 4) Energy management (floating relay output) Datalogger and web server Integrated External input 4) S0 meter connection / Evaluation of overvoltage protection RS485 Modbus RTU SunSpec or meter connection