Smart Monitoring 3KW 5KW 8KW 10KW 15KW 20KW Three-Phase Grid-Tied Solar Inverter
The Solis S5-GR3P series is a new-generation three-phase solar inverter developed for modern distributed photovoltaic systems. Engineered with cutting-edge technology and robust components, it provides superior conversion efficiency and stable performance under various working conditions.
This inverter supports flexible system configurations, high DC/AC ratio, and real-time system monitoring, making it a perfect choice for rooftop solar projects, commercial buildings, and small utility-scale applications.
Brand Name:
SolisType:
Grid-tiedMax. Power:
3KW-20KWAC Voltage:
600VWarranty:
10 yearsIngress Protection:
IP66Dimensions:
310 × 563 × 219 mmCertification & Safety Standard:
G99, VDE-AR-N 4105/VDE V 0124, EN 50549-1, VDE 0126/UTE C 15/VFR:2019, RD 1699/RD 244/UNE 206006/ UNE 206007-1, CEI 0-21, C10/11, NRS 097-2-1, EIFS 2018.2, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530
The Solis S5-GR3P (3-20)K series three-phase grid-tied inverter is a highly reliable and efficient photovoltaic inverter designed for residential, commercial, and industrial solar power systems. With a wide power range from 3kW to 20kW, this advanced inverter series delivers exceptional performance, intelligent monitoring, and enhanced safety features.
Featuring up to 98.7% maximum efficiency, dual MPPT design, IP66 protection level, and smart grid adaptability, the Solis S5-GR3P series is ideal for diverse installation environments and grid conditions. It ensures stable power conversion, maximum energy yield, and long-term operational reliability.

* EU efficiency up to 98.1%
* Ensures maximum energy harvest from solar modules
* Suitable for different system sizes and applications
* Multi-peak scanning for optimal power tracking

* Integrated DC switch
* AFCI fire protection (optional)
* Surge and overcurrent protection
* Supports over 150% DC/AC oversizing
* More flexible system design and higher ROI
* Adaptive weak grid support
* Export power control function

* 24-hour load consumption monitoring
* RS485 standard communication
* Optional Wi-Fi / GPRS remote monitoring
* IP66 protection rating
* Operates in harsh environments
* Temperature range: -25°C to +60°C
Technical Specifications:
| Models | 3K | 4K | 5K | 6K | 8K | 9K | 10K | 12K | 15K | 17K | 20K |
| Input DC | |||||||||||
|
Recommended max. PV power
|
4.5kW | 6kW | 7.5kW | 9kW | 12kW | 13.5kW | 15kW | 18kW | 22.5kW | 25.5kW | 30kW |
| Max. input voltage | 1100V | ||||||||||
| Rated voltage | 600V | ||||||||||
| Start-up voltage | 180V | ||||||||||
| MPPT voltage range | 160 - 1000 V | ||||||||||
| Max. input current | 16 A / 16 A | 32 A / 32 A | |||||||||
| Max. short circuit current | 20 A / 20 A | 40 A / 40 A | |||||||||
| MPPT number / Max. input strings number | 2 / 2 | 2 / 4 | |||||||||
| Output AC | |||||||||||
| Rated output power | 3KW | 4KW | 5KW | 6KW | 8KW | 9KW | 10KW | 12KW | 15KW | 17KW | 20KW |
| Max. apparent output power | 3.3kVA | 4.4kVA | 5.5kVA | 6.6kVA | 8.8kVA | 9.9kVA | 11kVA | 13.2kVA | 16.5kVA | 18.7kVA | 22kVA |
| Max. output power | 3.3kW | 4.4kW | 5.5kW | 6.6kW | 8.8kW | 9.9kW | 11kW | 13.2kW | 16.5kW | 18.7kW | 22kW |
| Rated grid voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | ||||||||||
| Rated grid frequency | 50 Hz / 60 Hz | ||||||||||
| Rated grid output current | 4.6A /4.3A | 6.1A /5.8A | 7.6A /7.2A | 9.1A /8.7A | 12.2A /11.5A | 13.7A /13.0A | 15.2A /14.4A | 18.2A /17.3A | 22.8A /21.7A | 25.8A /24.6A | 30.4A /28.9A |
| Max. output current | 4.7A | 6.4A | 7.9A | 9.5A | 12.7A | 14.3A | 15.9A | 19.1A | 23.8A | 27A | 31.8A |
| Power Factor | > 0.99 (0.8 leading - 0.8 lagging) | ||||||||||
| THDi | < 2% | ||||||||||
| Efficiency | |||||||||||
| Max. efficiency | 98.3% | 98.5% | 98.6% | 98.7% | |||||||
| EU efficiency | 97.7% | 97.9% | 98.0% | 98.1% | |||||||
| General Data | |||||||||||
| Dimensions(W×H×D) |
310 × 563 × 219 mm
|
||||||||||
| Weight |
16.5 kg
|
16.9 kg
|
17.9 kg
|
19.6 kg
|
20.8 kg
|
||||||
| Ingress protection | IP66 | ||||||||||
Thanks to its flexible configuration, high efficiency, and strong environmental adaptability, this inverter fits perfectly into both new installations and retrofit solar power systems.
Professional one-stop solar system solutions
Original and certified Solis products
Technical support and system design services
Global logistics and after-sales service
Competitive pricing and reliable quality
GREATSUNPV integrates high-quality inverters with our complete solar energy solutions to help customers achieve safe, stable, and profitable renewable energy systems.
The series covers models from 3kW to 20kW, suitable for small residential to medium commercial PV systems.
Yes, it features 2 MPPT trackers, allowing more flexible array design and higher energy yield.
Absolutely. With IP66 protection, it can be safely installed outdoors under harsh environmental conditions.
Yes. It includes anti-islanding, surge protection, overcurrent protection, and optional AFCI fire protection.
It complies with multiple international standards such as G99, VDE, EN 50549, IEC 62116, CEI 0-21, and more.
For more information on this product or to place an order, please contact us:
Email: info@greatsunpv.com
whatsapp: +86 189 1960 5188
Web: www.guruidepv.com

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