---
title: "Fronius Verto 17.5 vs Fronius International Symo Advanced 17.5-3-M - Inverter Comparison | ComparePV"
description: "Compare Fronius Verto 17.5 vs Fronius International Symo Advanced 17.5-3-M side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-verto-17-5/fronius-international-symo-advanced-17-5-3-m"
updated: 2026-01-16
---

# Fronius Verto 17.5 vs Fronius International Symo Advanced 17.5-3-M

Fronius Verto 17.5 leads on the differences that matter

The largest is european efficiency: 0.7 pp more efficient. 15 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Verto 17.5](https://comparepv.com/inverter/fronius-international-fronius-verto-17-5) | [Fronius International Symo Advanced 17.5-3-M](https://comparepv.com/inverter/fronius-international-symo-advanced-17-5-3-m) |
| Manufacturer | Fronius International | Fronius International |
| Rated AC power | 17.5 kW | 17.5 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | Fronius Verto 17.5 | Symo Advanced 17.5-3-M | Difference |
| --- | --- | --- | --- |
| European efficiency | 98.3 % | 97.6 % | +0.7 pp for Fronius Verto 17.5 |
| Max efficiency | 98.5 % | 97.9 % | +0.6 pp for Fronius Verto 17.5 |
| MPP trackers | 4 | 2 | +2 trackers for Fronius Verto 17.5 |
| Weight | 35.2 kg | 42.0 kg | -6.8 kg for Fronius Verto 17.5 |
| Start voltage | 150 V | 200 V | -50 V for Fronius Verto 17.5 |
| Weight per kW | 2.0 kg/kW | 2.4 kg/kW | -0.4 kg/kW for Fronius Verto 17.5 |
| MPPT voltage range | 150-870 V | 200-800 V | 150-870 V vs 200-800 V |
| Strings per tracker | 2 | 3 | 1 string apart |
| Dimensions | 730x540x278 mm | 725x510x225 mm | 730x540x278 mm vs 725x510x225 mm |


## Every compared parameter


| Parameter | Fronius Verto 17.5 | Symo Advanced 17.5-3-M |
| --- | --- | --- |
| Rated AC power | 17.50 kW | 17.50 kW |
| Max AC power | 17.50 kW | 17.50 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | 26.5 A | 26.5 A |
| Max PV power | 26.25 kW | 26.30 kW |
| DC/AC ratio | 1.50 | 1.50 |
| Max DC voltage | 1000 V | 1000 V |
| MPPT voltage range | 150-870 V | 200-800 V |
| Start voltage | 150 V | 200 V |
| MPP trackers | 4 | 2 |
| Strings per tracker | 2 | 3 |
| Max input current per tracker | 28.0 A | - |
| European efficiency | 98.3 % | 97.6 % |
| Max efficiency | 98.5 % | 97.9 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 35.2 kg | 42.0 kg |
| Weight per kW | 2.0 kg/kW | 2.4 kg/kW |
| Dimensions | 730x540x278 mm | 725x510x225 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | 56 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | Yes |
| Arc fault protection | Yes | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Fronius Verto 17.5 vs Fronius Symo 17.5-3 480](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-17-5/fronius-international-fronius-symo-17-5-3-480) - 7 differences, the largest is max efficiency
- [Fronius Verto 17.5 vs SolarEdge SE17.3KUS](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-17-5/solaredge-se17-3kus) - 11 differences, the largest is rated ac power
- [Fronius Verto 17.5 vs Growatt MID 17KTL3-X](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-17-5/growatt-mid-17ktl3-x) - 14 differences, the largest is rated ac power


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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-verto-17-5/fronius-international-symo-advanced-17-5-3-m

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