GREATSUNPV | Solis 12KW 15KW 20KW Three-Phase High Voltage Hybrid Inverter
GREATSUNPV Stocked Solis S6-EH3P(12-20)K-H is a high-voltage three-phase hybrid inverter for solar storage. Supports TOU optimization, fast backup, 160% PV input, IP66, EU grid compliant.
Brand Name:
SolisType:
HybridMax. Power:
12-20KWAC Voltage:
1000VWarranty:
10 yearsIngress Protection:
IP66Dimensions:
563 × 546 × 250 mmCertification & Safety Standard:
EN 50549-1/-10, VDE4105, CEI 0-21, CEI 0-16, NC-RFG TypeB, NRS 097-2-1, LTU-1, G99, PEA
At GREATSUNPV, we provide advanced energy storage solutions that meet the performance and compliance demands of modern European power systems.
The Solis S6-EH3P (12–20)K-H Series is a three-phase high-voltage hybrid inverter engineered for residential, commercial, and light industrial solar-plus-storage applications requiring higher power output, intelligent energy control, and robust backup capability.
Available in 12kW, 15kW, and 20kW models, this inverter seamlessly integrates PV generation, high-voltage battery storage, grid interaction, generator input, and backup power into a single, scalable platform.

1.Three-phase unbalanced output, delivering up to 40% rated power per phase
2.160% PV input capacity, maximizing solar yield
3.<10 ms backup switching, ensuring uninterrupted power during grid outages
4.Maximum efficiency up to 97.7%, with excellent EU efficiency
This performance makes the system suitable for demanding three-phase and mixed-load environments.

High Voltage Battery Compatibility & Scalability
The inverter is compatible with mainstream high-voltage lithium-ion batteries (120–800V), enabling lower current losses and improved system efficiency.
Support for parallel operation and AC coupling allows flexible system expansion as energy demand increases, protecting long-term investment value.

7-inch LCD display for intuitive system control
Bluetooth APP commissioning for fast setup
Intelligent fan cooling for thermal stability
Compact, wall-mounted design with IP66 protection

The inverter features AI-based charging and discharging control, automatically optimizing battery operation according to Time-of-Use (TOU) tariffs.
It supports VPP and EMS platform integration and includes built-in SG-ready heat pump control, making it ideal for smart homes and commercial energy systems.
Technical Specifications:
| Models | 12k | 15k | 20k |
| Input DC(PV side) | |||
| Recommended max.PV array size | 24kW | 30kW | 40kW |
| Max.usable PV input power | 19.2kW | 24kW | 32kW |
| MPPT voltage range | 200-850V | ||
| Max.input current | 4×20A | ||
| Max.short circuit current | 4×30A | ||
| MPPT number/Max.input strings number | 4/4 | ||
| Battery | |||
| Battery type | Li-ion | ||
| Battery voltage range | 120-800V | ||
| Max.charge/discharge current | 50A | ||
| Output AC(Grid side) | |||
| Rated grid voltage | 3/N/PE,220V/380V,230V/400V | ||
| Rated grid frequency | 50 Hz/60 Hz | ||
| General Data | |||
| Dimensions(W×H×D) | 563 × 546 × 250 mm | ||
| Weight | 35.2 kg | ||
| Ingress protection | IP66 | ||
Three-phase residential solar + battery systems
Commercial and light industrial energy storage
Backup power for critical three-phase loads
Self-consumption and TOU optimization projects
Smart energy systems with VPP or EMS integration
It is a three-phase high-voltage hybrid inverter that integrates solar PV, battery storage, grid interaction, generator input, and backup power into one intelligent system.
Yes. The inverter is designed for European three-phase power systems and complies with major EU grid connection and safety standards.
The inverter supports high-voltage lithium-ion batteries with a voltage range of 120–800V, ensuring high efficiency and reduced system losses.
Yes. Intelligent energy management enables automatic charging and discharging based on TOU tariffs to reduce electricity costs.
The inverter switches to backup mode in less than 10 milliseconds, ensuring uninterrupted power supply for essential loads.
Yes. Parallel operation and AC coupling allow easy system expansion as power or storage requirements increase.
Yes. With an IP66 enclosure and wide operating temperature range, it is suitable for outdoor and harsh environmental conditions.
GREATSUNPV selects and delivers energy storage solutions that meet the highest standards of performance, safety, and long-term reliability. The S6-EH3P (12–20)K-H high-voltage hybrid inverter is an ideal choice for customers seeking scalable power, intelligent energy control, and full European grid compliance.
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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