Three-phase Fronius SYMO 3.7-3-M WiFi inverter
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Description
SnapINverter Assembly System
Ethernet and WiFi Communication
Dynamic Peak Manager
Smart Grid Ready
SuperFlex Design
Energy Output Limitation
Three-Phase Fronius SYMO 3.7-3-M WiFi Inverter
Transformerless three-phase grid-connected Fronius Symo inverter with a power of 3.7 kW. Thanks to the SuperFlex Design solution, Fronius Symo is suitable for installations on roofs of irregular shapes or oriented in different directions.
Internet access via Ethernet or WiFi connection and easy integration with third-party components make Fronius Symo one of the most compatible inverters on the market. Additionally, the interface for intelligent electricity meter allows for dynamic management of energy feed-in to the grid and provides visualization of own energy consumption.
Technical Data
| Input Data | |
| Fronius SYMO 3.7-3-M WiFi | |
| Number of MPP Trackers | 2 |
| Max. Input Current | 16 A / 16 A |
| Max. Short-circuit Current | 24 A / 24 A |
| Input Voltage Range | 150 - 1000 V |
| Start-up Voltage | 200 V |
| Useful MPP Voltage Range | 150 - 800 V |
| Number of Strings per MPP Tracker | 2+2 |
| Maximum PV Generator Power | 7.4 kWp |
| Output Data | |
| Fronius SYMO 3.7-3-M WiFi | |
| AC Rated Power | 3700 W |
| Max. Output Power | 3700 VA |
| Max. Output Current | 5.3 A |
| Grid Connection | 3~~NPE 400V / 230V or 3~~NPE 380 V / 220 V (+20 % / -30 %) |
| Frequency | 50 Hz / 60 Hz (45 - 65 Hz) |
| Total Harmonic Distortion Coefficient THD | < 3 % |
| Power Factor | 0.85 - 1 ind / cap. |
| General Data | |
| Fronius SYMO 3.7-3-M WiFi | |
| Dimensions (height x width x depth) | 645 x 431 x204 mm |
| Weight | 19.9 kg |
| Degree of Protection | IP 65 |
| Protection Class | 1 |
| Overvoltage Category (DC / AC) | 2 / 3 |
| Night Energy Consumption | < 1 W |
| Inverter Topology | Transformerless |
| Cooling | Regulated Forced Ventilation |
| Installation | Indoor and Outdoor Installation |
| Ambient Temperature Range | -25 -+60 |
| Permissible Air Humidity | 0 - 100 % |
| Max. Altitude Above Sea Level | 2000 m / 3400 m (unlimited / restricted voltage range) |
| DC Connection Terminals | 4x DC+ and 4X DC - screw terminals 2.5-16mm2 |
| AC Connection Terminals | 5-pole screw terminals 2.5-16mm2 |
| Technical Data | |
| Fronius SYMO 3.7-3-M WiFi | |
| Max. Efficiency | 98 % |
| European Weighted Efficiency | 96.7 % |
| Matching Efficiency | >99.9 % |
| DC Insulation Measurement | Yes |
| Overload Behavior | Operating point shift, output power limitation |
| DC Switch | Yes |
| Reverse Polarity Protection | Yes |
| Interfaces / Communication | |
| WLAN / Ethernet LAN | Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) |
| 6 Inputs and 4 Digital Inputs/Outputs | Remote Control Receiver Connection |
| USB (Type A Socket) | For USB Storage Media: Data Collection, Inverter Software Update |
| 2x RS422 (RJ45 Socket) | Fronius Solar Net |
| Relay Output | Energy Management (Potential-free Relay Output) |
| Data Logger and Webserver | Integrated |
| Signal Input | S0 Meter Connection / Surge Protector Status Monitoring |
| RS485 | Modbus RTU SunSpec or Smart Electricity Meter Connection |
Warranty conditions and period are described in the attachment. Remember to register the inverter after purchase to receive an extended warranty.
Technical data
| Power | 3700 W |
| Width | 431 mm |
| Length | 204 mm |
| Height | 645 mm |
| Weight | 19.9 kg |
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