INPUT DATA	Fronius Symo 3.7-3-S	Fronius Symo 3.7-3-M
Max. input current (I_{dc max 1} / I_{dc max 2}¹⁾)	16.0 A / 16.0 A
Max. array short circuit current (MPP₁/MPP₂¹⁾)	24.0 A / 24.0 A
Min. input voltage (U_{dc min})	150 V
Feed-in start voltage (U_{dc start})	200 V
Nominal input voltage (U_dc,r)	595 V
Max. input voltage (U_{dc max})	1,000 V
MPP voltage range (U_{mpp min}– U_{mpp max})	250 - 800 V	150 - 800 V
Number of MPP trackers	1	2
Number of DC connections	3	2 + 2
Max. PV generator output (P_{dc max})	7.4 kW_peak	7.4 kW_peak
OUTPUT DATA
AC nominal output (P_ac,r)	3,700 W	3,700 W
Max. output power	3,700 VA	3,700 VA
AC output current (I_{ac nom})	5.3 A	5.3 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 φ_ac,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)	96.7 %	96.9 %
η at 5 % P_ac,r⁴⁾	83.4 / 86.4 / 80.6 %	81.6 / 87.8 / 82.8 %
η at 10 % P_ac,r⁴⁾	90.1 / 92.5 / 88.7 %	87.9 / 93.6 / 90.5 %
η at 20 % P_ac,r⁴⁾	93.7 / 95.7 / 93.6 %	91.9 / 96.0 / 94.1 %
η at 25 % P_ac,r⁴⁾	94.5 / 96.4 / 94.7 %	92.9 / 96.6 / 95.2 %
η at 30 % P_ac,r⁴⁾	95.0 / 96.7 / 95.4 %	93.5 / 97.0 / 95.8 %
η at 50 % P_ac,r⁴⁾	96.9 / 97.6 / 96.7 %	94.6 / 97.7 / 96.8 %
η at 75 % P_ac,r⁴⁾	96.2 / 97.8 / 97.3 %	95.0 / 97.9 / 97.4 %
η at 100 % P_ac,r⁴⁾	96.2 / 98.0 / 97.5 %	95.1 / 98.0 / 97.5 %
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

¹⁾ This applies to Fronius Symo 3.0-3-M, 3.7-3-M and 4.5-3-M
²⁾ Testing to IEC 62109-1.³⁾ 16 mm² without ferrules
⁴⁾ And at U_{mpp min}/ U_dc,r / U_{mpp max}⁵⁾ Also available in the light Version.

Gyártó/származás
Fronius

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http://www.fronius.com/cps/rde/xbcr/SID-61BDA609-6...

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16 kg/db

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