The SolarEdge Three Phase Inverter series comprises grid-tie inverters designed for three-phase installations where stable operation and high energy yield in real-world conditions are essential. A key advantage is the DC architecture with mandatory integration with optimizers, enabling MPPT tracking at the module level and operation at a fixed string voltage. In practice, this results in better performance during partial shading, dirt accumulation, and with panels of different orientations.
Depending on the variant, you will find 1 or 2 MPPTs - this facilitates the design of installations with multiple rooftop connections and minimizes mismatch losses. High European efficiency translates to a better energy balance in the typical Polish irradiance profile, not just under laboratory conditions.
A significant asset is module-level monitoring and flexible communication (Ethernet, optionally WiFi, and integration via RS485). The series also offers advanced safety features (including rapid voltage reduction and arc detection). Standard warranty is 12 years, with the option for extension, and compliance with grid standards simplifies commissioning. This solution is particularly suited for residential and commercial installations, where service and diagnostics must be fast and precise.
Ranking
Specifications
Pros and cons
Official SolarEdge datasheets rate the European efficiency at 98% for three-phase models (SE3K-SE27.6K). This is on par with the top performers in the segment (Fronius Symo ~98%, SMA Tripower ~98.4%). In partial-shading scenarios, the real-world energy yield advantage of a power optimizer-based system over a conventional string inverter ranges from 5% to 25% annually.
The mandatory P-series power optimizers deliver granular production data from every panel at 15-minute resolution. The SolarEdge monitoring platform enables precise fault and degradation diagnostics without an on-site service visit, meaningfully reducing MTTR (Mean Time To Repair) in commercial installations.
The standard factory warranty is 12 years, with optional extensions to 20 or 25 years purchasable directly from the manufacturer. Competing brands (Fronius, SMA) typically offer 5-10 years as standard with extension options up to 20 years - SolarEdge is more competitive even at the base warranty level.
The series integrates Type 2 DC surge protection, arc-fault circuit interruption (AFCI), and the SafeDC function, which reduces string voltage to ≤1 V upon grid loss or shutdown. This is an increasingly enforced requirement by insurers and fire authorities for both residential and commercial rooftop installations.
Commissioning via the SetApp mobile application - without a dedicated display - accelerates system startup. Built-in Ethernet with optional Wi-Fi and RS485 simplifies integration with BMS platforms, SCADA systems, and Smart Grid meters, which is critical for commercial installations subject to DSO monitoring obligations.
Every panel requires a dedicated P-series power optimizer ($45-65/unit + $10-15 installation labor). For a typical 8 kWp system (20 panels), this adds $1,100-$1,600 over a conventional string inverter without optimizers (e.g., Fronius Symo, SMA Tripower). In shade-free installations, the energy yield benefit is minimal and the return on this additional investment is difficult to justify.
SolarEdge power optimizers are compatible exclusively with SolarEdge inverters. Replacing the inverter with a unit from another manufacturer - for example, during post-warranty servicing - requires simultaneously replacing all rooftop optimizers, generating significant additional per-panel costs and complicating like-for-like competitive quoting.
Alternatives
SolarEdge EV Charging Single Phase Inverter SE5000H (aka H5000SE / SE5000H)
5 kW
99.0%
-
11.4 kg
+1.7 pp efficiency, 5.0 kg lighter
About the SolarEdge Three Phase Inverter series
These answers cover the whole series. Where a figure differs, the specification above is this model's own.