---
title: "Fronius Symo 15.0-3 480 vs SolarEdge SE14.4KUS (208V three-phase) - Inverter Comparison | ComparePV"
description: "Compare Fronius Symo 15.0-3 480 vs SolarEdge SE14.4KUS (208V three-phase) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-symo-15-0-3-480/solaredge-solaredge-se14-4kus-208v-three-phase"
updated: 2026-01-16
---

# Fronius Symo 15.0-3 480 vs SolarEdge SE14.4KUS (208V three-phase)

Fronius Symo 15.0-3 480 leads on the differences that matter

The largest is rated ac power: 0.59 kW apart. 7 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Symo 15.0-3 480](https://comparepv.com/inverter/fronius-international-fronius-symo-15-0-3-480) | [SolarEdge SE14.4KUS (208V three-phase)](https://comparepv.com/inverter/solaredge-solaredge-se14-4kus-208v-three-phase) |
| Manufacturer | Fronius International | SolarEdge |
| Rated AC power | 14.995 kW | 14.4 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | Fronius Symo 15.0-3 480 | SolarEdge SE14.4KUS (208V three-phase) | Difference |
| --- | --- | --- | --- |
| Rated AC power | 14.99 kW | 14.40 kW | 0.59 kW apart |
| Max DC voltage | 1000 V | 600 V | 400 V apart |
| Max AC power | 14.99 kW | 14.40 kW | 0.59 kW apart |
| Weight | 43.4 kg | 45.0 kg | -1.6 kg for Fronius Symo 15.0-3 480 |
| Max AC current | 18.0 A | 40.0 A | 22.0 A apart |
| Ingress protection | NEMA 4X | NEMA 3R | NEMA 4X vs NEMA 3R |
| Weight per kW | 2.9 kg/kW | 3.1 kg/kW | -0.2 kg/kW for Fronius Symo 15.0-3 480 |
| Dimensions | 724x511x226 mm | 540x315x260 mm | 724x511x226 mm vs 540x315x260 mm |


## Every compared parameter


| Parameter | Fronius Symo 15.0-3 480 | SolarEdge SE14.4KUS (208V three-phase) |
| --- | --- | --- |
| Rated AC power | 14.99 kW | 14.40 kW |
| Max AC power | 14.99 kW | 14.40 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | - | 208 V |
| Max AC current | 18.0 A | 40.0 A |
| Max PV power | - | 19.40 kW |
| DC/AC ratio | - | 1.35 |
| Max DC voltage | 1000 V | 600 V |
| MPPT voltage range | - | - |
| Start voltage | 200 V | - |
| MPP trackers | - | - |
| Strings per tracker | - | - |
| Max input current per tracker | - | - |
| European efficiency | - | - |
| Max efficiency | 98.0 % | - |
| CEC efficiency | 97.0 % | 97.0 % |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 43.4 kg | 45.0 kg |
| Weight per kW | 2.9 kg/kW | 3.1 kg/kW |
| Dimensions | 724x511x226 mm | 540x315x260 mm |
| Ingress protection | NEMA 4X | NEMA 3R |
| Cooling | forced-air | forced-air |
| Noise | - | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | Yes |
| Arc fault protection | Yes | Yes |
| Integrated DC switch | Yes | - |
| Warranty | 10 yrs | - |


## Related comparisons

- [Fronius Symo 15.0-3 480 vs Fronius Symo Advanced 15.0-3 480](https://comparepv.com/compare-inverters/fronius-international-fronius-symo-15-0-3-480/fronius-international-fronius-symo-advanced-15-0-3-480) - One difference: dimensions
- [Fronius Symo 15.0-3 480 vs Growatt MID 15KTL3-X](https://comparepv.com/compare-inverters/fronius-international-fronius-symo-15-0-3-480/growatt-mid-15ktl3-x) - 10 differences, the largest is warranty
- [Fronius Symo 15.0-3 480 vs Sungrow SG15KTL-M](https://comparepv.com/compare-inverters/fronius-international-fronius-symo-15-0-3-480/sungrow-sg15ktl-m) - 8 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-symo-15-0-3-480/solaredge-solaredge-se14-4kus-208v-three-phase

Not in this file, on the page: a written summary generated on request.