Three-phase Fronius SYMO 4.5-3-S WiFi inverter
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Description
SnapINverter assembly system
Ethernet and WiFi communication
Dynamic Peak Manager
Smart Grid Ready
SuperFlex Design
Power output limitation
Three-phase Fronius SYMO 4.5-3-S WiFi inverter
Transformer-free three-phase grid inverter Fronius Symo with power of 4.5 kW. Thanks to the SuperFlex Design solution, Fronius Symo works well in installations on roofs with irregular shapes or oriented in different directions.
Internet access via Ethernet connection or WiFi and easy integration with components from other manufacturers makes Fronius Symo one of the most compatible inverters on the market. Additionally, an interface for an intelligent energy meter enables dynamic management of energy input to the grid and provides visualization of self-consumption of generated energy.
Technical Data
| Input data | |
| Fronius SYMO 4.5-3-S WiFi | |
| Number of MPP trackers | 1 |
| Max. input current | 16 A |
| Max. short-circuit current | 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 | 3 |
| Maximum PV generator power | 9 kWpeak |
| Output data | |
| Fronius SYMO 4.5-3-S WiFi | |
| AC rated power | 4500 W |
| Max. output power | 4500 VA |
| Max. output current | 6.5 A |
| Grid connection | 3~~NPE 400V / 230V or 3~~NPE 380 V / 220 V (+20 % / -30 %) |
| Frequency | 50 Hz / 60 Hz (45 - 65 Hz) |
| Harmonic content factor THD | < 3 % |
| Power factor | 0.70 - 1 ind / cap. |
| General Data | |
| Fronius SYMO 4.5-3-S WiFi | |
| Dimensions (height x width x depth) | 645 x 431 x 204 mm |
| Weight | 16 kg |
| Protection class | IP 65 |
| Safety class | 1 |
| Overvoltage category (DC / AC) | 2 / 3 |
| Nighttime power consumption | < 1 W |
| Inverter topology | Transformer-free |
| Cooling | Controlled 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 / limited voltage range) |
| DC connection terminals | 3x DC+ and 3x DC - screw terminals 2.5-16mm2 |
| AC connection terminals | 5-pin screw terminals 2.5-16mm2 |
| Technical data | |
| Fronius SYMO 4.5-3-S WiFi | |
| Max. efficiency | 98 % |
| European weighted efficiency | 97 % |
| Adjustment efficiency | >99.9 % |
| DC insulation measurement | Yes |
| Behavior during overload | Operating point shift, output power limitation |
| DC disconnect 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 | Connection to remote control receiver |
| USB (type A socket) | For USB media: data collection, inverter software update |
| 2x RS422 (RJ45 socket) | Fronius Solar Net |
| Relay output | Energy management (potential-free relay output) |
| Data logger and web server | Integrated |
| Signal input | S0 meter connection / Surge protector status monitoring |
| RS485 | Modbus RTU SunSpec or intelligent energy meter connection |
The conditions and warranty period are described in the attachment. Remember to register the inverter after purchase, thanks to which you will receive an extended warranty.
Technical data
| Power | 4500 W |
| Width | 431 mm |
| Length | 204 mm |
| Height | 645 mm |
| Weight | 16 kg |
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