Solis Inverter S6-EH3P(12-20)K-H Three Phase | High Voltage
Solis Inverter S6-EH3P(12-20)K-H Three Phase | High Voltage
Product Description
The Solis Inverter S6-EH3P(12-20)K-H is a high-performance high-voltage three-phase energy storage inverter designed for large-scale PV energy storage systems. It supports generator networking, multi-unit parallel operation, and 4-path MPPT for complex rooftop installations with multiple orientations. Equipped with UPS-level switching, 160% surge overload capability within 10 seconds, and strong adaptability to three-phase unbalanced loads and half-wave loads, it provides stable, reliable and flexible power supply for various heavy-duty and special load scenarios.
Key Advantages
Smart Energy Management
Built-in SG-ready heat pump control, AI-based charge/discharge management, and seamless connection with VPP & EMS platforms.
High Performance & Reliability
UPS-level switching <10ms, 160% PV input capacity, and strong adaptability to three-phase unbalanced & half-wave loads.
Flexible & Scalable System
Compatible with mainstream lithium batteries, supporting parallel expansion and AC coupling for easy capacity upgrade.
Simple & Intelligent Operation
Bluetooth APP for quick configuration, equipped with 7-inch industrial-grade ZEITLER display for local control.
4-MPPT High-Efficiency Design
Ideal for large complex rooftops with multiple orientations, improving solar energy harvesting and system stability.
Generator & Parallel Support
Supports generator networking and multi-inverter parallel operation for enhanced power supply reliability.
Technical Specifications
| Solis Inverter Models | 12K | 15K | 20K |
|---|---|---|---|
| Input DC (PV side) | |||
| Recommended max. PV array size | 24 kW | 30 kW | 40 kW |
| Max. usable PV input power | 19.2 kW | 24 kW | 32 kW |
| Max. input voltage | 1000 V | ||
| Rated voltage | 600 V | ||
| Start-up voltage | 160 V | ||
| MPPT voltage range | 200-850 V | ||
| Max. input current | 4 × 20 A | ||
| Max. short circuit current | 4 × 30 A | ||
| MPPT number / Max. input strings number | 4 / 4 | ||
| Battery | |||
| Battery type | Li-ion | ||
| Battery voltage range | 120 - 800 V | ||
| Max. charge / discharge power | 12 kW | 15 kW | 20 kW |
| Max. charge / discharge current | 50 A | ||
| Communication | CAN / RS485 | ||
| Output AC (Grid side) | |||
| Rated output power | 12 kW | 15 kW | 20 kW |
| Max. apparent output power | 12 kVA | 15 kVA | 20 kVA |
| 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 | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| Max. output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) | ||
| THDi | < 3% | ||
| Input AC (Grid side) | |||
| Input voltage range | 304 - 437 V / 320 - 460 V | ||
| Max. input current | 27.3 A / 26.0 A | 34.2 A / 32.5 A | 45.6 A / 43.3 A |
| Rated grid frequency | 50 Hz / 60 Hz | ||
| Frequency range | 45 - 55 Hz / 55 - 65 Hz | ||
| Input Generator | |||
| Max. input power | 12 kW | 15 kW | 20 kW |
| Max. input current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| Rated input frequency | 50 Hz / 60 Hz | ||
| Output AC (Back-up) | |||
| Rated output power | 12 kW | 15 kW | 20 kW |
| Max. apparent output power | 1.6 time of rated power, 10 s | ||
| Back-up switch time | < 10 ms | ||
| Rated output voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | ||
| Rated frequency | 50 Hz / 60 Hz | ||
| Rated output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| THDv (linear load) | < 3% | ||
| Efficiency | |||
| Max. efficiency | 97.7% | ||
| EU efficiency | 97.5% | ||
| Protection | |||
| Anti-islanding protection | Yes | ||
| General Data | |||
| Dimensions | 563 × 546 × 250 mm | ||
| Features | |||
| PV connection | MC4 connector | ||
Application Scenarios & Target Markets
Professional energy storage solutions designed for large residential, commercial and industrial scenarios, widely used in Middle East, Europe and Asia
Commercial & Industrial Energy Storage
- Suitable for factories, warehouses and commercial facilities
- Reduces peak electricity costs through intelligent energy management
- Supports high-power loads with stable three-phase output
Large Commercial Buildings
- Ideal for offices, shopping centers and multi-building facilities
- Ensures reliable power supply with fast 10ms grid switching
- Optimizes solar energy usage and reduces grid dependency
PV + Battery Hybrid Systems
- Compatible with solar PV systems for higher energy utilization
- Supports 200% PV oversizing to maximize solar generation
- Enables flexible AC/DC coupling for various system designs
Microgrid & Off-Grid Applications
- Designed for remote areas and independent power systems
- Supports integration with PV, wind and diesel generators
- Provides stable energy supply in weak-grid environments
Industrial Backup Power
- Suitable for factories and critical power applications
- Provides seamless backup during grid outages
- Supports intelligent load prioritization for essential equipment
Energy Management & VPP Applications
- Ready for smart energy systems and virtual power plants
- Enables AI-based energy optimization and battery management
- Supports scalable parallel operation up to 500kW
Factory Strength
Advanced production equipment, standardized workshop, strict quality control system
Certifications
Complete international certifications, product quality meets global standards
International Certification
Quality Certificate
Safety Standard
CE Certification
ISO Certified
RoHS Directive
Our Partners
Trusted by global brands, long-term strategic cooperation
Our Service Policy
Fast response, professional support, and worry-free cooperation
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Response within 24 hours, no waiting
Dedicated Support
One-to-one professional account manager
Customized Plan
Tailor-made solutions for your needs
Fast Delivery
Rapid dispatch after order confirmation
Project Manager
Dedicated PM & after-sales guarantee
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Office Address: 701, Building A, Yonghuayuan Business Building, Baotian 2nd Road, Chentian Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong Province, China
Factory Address 1: Room 701, Building 2, Kegu Industrial Park, Zone B, Jian'an Road, No. 790, Chang'an Town, Dongguan City, Guangdong Province, China
Factory Address 2: Building 7, Phase II Standardized Factory, Innovation Industrial Park, Duji Economic Development Zone, Huaibei City, Anhui Province, China