KOSTALPLENTICORE G3 17.5

The KOSTAL PLENTICORE G3 17.5 is a solar inverter with AC power 17.5 kW, MPP trackers 3 and european efficiency 97.72 %.1
Key figures
Technical specifications
| Performance | |
|---|---|
| AC power | 17.5 kW1 |
| Max. PV array power | 26.5 kWp1 |
| MPP trackers | 31 |
| Efficiency | |
| Max. efficiency | 98.21 %1 |
| European efficiency | 97.72 %1 |
| Noise | |
| Noise | 39 dB(A)1 |
| Electrical | |
| MPPT voltage min. | 198 V1 |
| MPPT voltage max. | 800 V1 |
| Max. input current per MPPT | 30 A1 |
| Phases | 31 |
| Connectivity & smart | |
| Hybrid (battery-ready) | Yes1 |
| Backup power | Yes1 |
| Wi-Fi / monitoring | Yes1 |
| Dimensions & weight | |
| Width | 409 mm1 |
| Height | 561 mm1 |
| Depth | 237 mm1 |
| Weight | 24.3 kg1 |
| Warranty & lifespan | |
| Warranty | 10 years1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — PLENTICORE Hybrid inverter - G3 4.0-20 kW – 09 / 2025
External links to KOSTAL's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Compare with
Frequently asked questions
What is the AC power of the KOSTAL PLENTICORE G3 17.5?
The AC power of the KOSTAL PLENTICORE G3 17.5 is 17.5 kW.1
What is the MPP trackers of the KOSTAL PLENTICORE G3 17.5?
The MPP trackers of the KOSTAL PLENTICORE G3 17.5 is 3.1
What is the european efficiency of the KOSTAL PLENTICORE G3 17.5?
The european efficiency of the KOSTAL PLENTICORE G3 17.5 is 97.72 %.1
What is the max. PV array power of the KOSTAL PLENTICORE G3 17.5?
The max. PV array power of the KOSTAL PLENTICORE G3 17.5 is 26.5 kWp.1
Sources
- PLENTICORE Hybrid inverter - G3 4.0-20 kW, 09 / 2025 — KOSTAL Industrie Elektrik GmbH · accessed 29 Sept 2026