Fronius Symo Spark Quiet Strength Behind Every Cozy Moment
Fronius Symo Advanced Lite Inverter - 20.0kW delivers reliable three-phase power conversion with high efficiency, integrated monitoring, and smart grid readiness. It features active cooling for a longer lifespan, fast commissioning, and a flexible system design that works well for both residential and commercial setups.
Upgrade your energy system with a powerful inverter that works hard and lasts long. Get the Fronius 20kW Symo Advanced Lite Inverter - 4,210,093,801 today and enjoy smoother, smarter power.
Features
- Dual MPPT for maximum energy harvest in complex or shaded layouts
- High 97.6 percent efficiency for strong power performance
- Built-in Fronius Arc Guard for advanced safety and arc fault protection
- Wi Fi and Ethernet connectivity for easy system monitoring
- SunSpec Modbus compatibility for seamless integration
- Fronius Solar.web access for detailed tracking and remote management
- SnapINverter design for fast installation and simple servicing
- Lightweight, compact build suitable for indoor or outdoor mounting up to 90 degrees
Specifications
Dimensions and Weight
- Width: 511 mm
- Height: 724 mm
- Depth: 226 mm
- Weight: 43.4 kg
Installation
- Indoor or outdoor installation
- Tilt angle 0 to 90 degrees
- Shade Cover required below 15 degrees
Environmental
- Humidity: 0 to 100 percent non-condensing
- Protection class: NEMA 4X
- Night consumption: under 1 W
- Cooling: Variable speed fan
- Max elevation: 2000 m at 1000 V input or 3400 m at 850 V input
Electrical Performance
- Transformerless design
- Number of MPPT: 2
- Operating voltage: 200 to 1000 V
- MPP range: 450 to 800 V
- Max input voltage: 1000 V
- Max usable input current total: 51 A
- Max array short circuit current: 76.5 A
- Max output power (480 V/277 V): 19,995 W
- Output configuration: 3-phase 480 V
- Frequency range: 50 to 66 Hz
- Nominal frequency: 60 Hz
- Max continuous output current (480 V/277 V): 24 A
- Power factor range: 0 to 1
Safety and Protection
- DC reverse polarity protection
- Anti-islanding compliant with UL 1741 and IEEE 1547
- Over-temperature protection with power derating
- AFCI included
- Rapid shutdown compliant
- Ground fault protection with an isolation monitor
- Built-in DC disconnect
Connectivity
- USB for updates and datalogging
- 2x RS422 (RJ45) for Fronius Solar Net
- Wi Fi, Ethernet, Serial
- Built-in datalogger and web server
- Supports Solar.web, SunSpec Modbus TCP and RTU, JSON
- PLC for SunSpec rapid shutdown communication
I/O and Compatibility
- 6 inputs and 4 digital I/Os
- Compatible with Tigo TS4 F (pending testing)
Certifications
- UL 1741, UL 1998, IEEE 1547, IEEE 1547.1, FCC Part 15, NEC 2017 Article 690, CSA, and more
Connection Terminals
- DC: 6 DC+ and 6 DC - screw terminals for copper or aluminum
- AC: Screw terminals 14 to 6 AWG
Product Documents
