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Fronius Symo Grid-Tied PV Inverter 4.5kW 3-Phase 2MPPT WLAN
Description
Fronius Grid-Tied PV Inverter 4.5kW 3-Phase 2MPPT WLAN Symo
The Fronius Symo 4.5-3-M grid-tied PV inverter 4.5kW 3-phase 2MPPT WLAN is an advanced grid-tied inverter available in a three-phase system with two MPPTs.
This modern inverter offers a wide power range, from 3.0 to 20.0 kW, making it perfectly suited for photovoltaic installations of various sizes. Thanks to the innovative SuperFlex Design solution, the Symo provides flexibility for installations on irregularly shaped roofs or those oriented in different directions.
Internet integration via Wi-Fi or Ethernet and ease of connection with third-party components make the Symo one of the most communicative inverters on the market. The smart meter interface enables dynamic management of grid feed-in and visualisation of self-consumption.
SNAPINVERTER technology allows for simple installation and maintenance, thanks to the separation of the connection section and power module. Integrated data communication enables installation monitoring and connection of third-party components.
SuperFlex Design provides flexibility in design and installation operation, thanks to two MPP trackers, high system voltage and a wide DC input voltage range. Dynamic Peak Manager dynamically finds the optimal operating point, even with partial shading of PV panels.
Symo inverters are prepared to meet future standards and grid requirements, thanks to "Advanced Grid Features" which ensure optimal power supply and safe grid operation. The zero feed-in function allows power supply to be adjusted to grid operator requirements, giving priority to household consumers and reducing power to the maximum permitted level.
Input Data
| Parameter | Value |
|---|---|
| Number of MPP trackers | 2 |
| Maximum input current (Idc max 1 / Idc max 2) | 16.0 A / 16.0 A |
| Maximum short-circuit current for module array (MPP1/MPP2) | 24.0 A / 24.0 A |
| Input voltage range (Udc min - Udc max) | 150 - 1000 V |
| Start-up voltage (Udc start) | 200 V |
| Usable MPP voltage range | 150 - 800 V |
| Number of strings per MPP tracker | 2 + 2 |
| Maximum PV generator power (Pdc max) | 9.0 kWpeak |
Output Data
| Parameter | Value |
|---|---|
| Rated AC power (Pac,r) | 4,500 W |
| Maximum output power | 4,500 VA |
| Maximum output current (Iac max) | 6.5 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 THD | < 3% |
| Power factor (cos φac,r) | 0.85-1 ind. / cap. |
Standards
| Parameter | Value |
|---|---|
| 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 0-21, NRS 097]] |
Efficiency
| Parameter | Value |
|---|---|
| Maximum efficiency | 98.0% |
| European weighted efficiency (ηEU) | 97.2% |
| MPP tracking efficiency | > 99.9% |
Protection
| Parameter | Value |
|---|---|
| DC insulation measurement | Yes |
| Overload behaviour | Operating point shift, output power limitation |
| DC disconnect | Yes |
| Reverse polarity protection | Yes |
Connections
| Parameter | Value |
|---|---|
| WLAN / Ethernet LAN | Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON) |
| 6 inputs and 4 digital inputs/outputs | Connection for ripple control receiver |
| USB (type A socket) | For USB storage devices |
| 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 protection analysis |
| RS485 | Modbus RTU SunSpec or meter connection |
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Technical data
| Type | On-grid |
| Power | 3-5 kW |
| Number of phases | Three-phase |
| Number of MPPT | 2 MPPT |
| WiFi | Yes |
| DC switch | Yes |