Solis Inverter S6-EH3P(29.9-50)K-H Three Phase | High Voltage
Solis Inverter S6-EH3P(29.9-50)K-H Three Phase | High Voltage
Product Description
The Solis Inverter S6-EH3P(29.9-50)K-H is a high-performance three-phase hybrid inverter designed for advanced commercial and industrial energy storage systems. It supports both on-grid and off-grid operation with ultra-fast switching below 10ms, ensuring uninterrupted power supply for critical loads. With flexible AC/DC coupling, multi-energy integration, and intelligent load prioritization, the system adapts seamlessly to complex energy scenarios including PV, wind, and diesel generator systems.
Engineered for scalability and efficiency, it supports parallel operation up to 500kW while enabling optimized battery utilization and energy cost reduction through AI-driven energy management and VPP readiness. This inverter delivers a future-proof solution for modern smart energy systems.
Key Advantages
Flexible System Integration
Supports AC/DC coupling and integrates PV, wind, and diesel generators through a unified interface, enabling seamless retrofits and scalable system expansion.
High Efficiency Energy Utilization
Supports up to 2x PV input and 20A string current, maximizing solar harvesting while ensuring compatibility with next-generation high-power modules.
Advanced Battery Management
Dual battery ports, 140A fast charging, and compatibility with 100–280Ah modules provide flexible configuration and optimized lifecycle cost.
Reliable Backup & Load Support
Delivers seamless power switching (<10ms) and 160% overload capacity, ensuring stable operation of critical and heavy loads.
Scalable Commercial Deployment
Supports parallel systems up to 500kW with optional STS integration, ideal for large-scale energy storage and microgrid applications.
Smart Energy Management
AI-enabled control and VPP readiness allow dynamic tariff optimization, reducing electricity costs and enabling additional revenue streams.
Technical Specifications
| Hybrid inverter Models | 29.9K | 30K | 40K | 50K |
|---|---|---|---|---|
| Input DC (PV side) | ||||
| Recommended max. PV array size | 59.8 kW | 60 kW | 80 kW | 100 kW |
| Max. usable PV input power | 59.8 kW | 60 kW | 80 kW | 96 kW |
| Max. input voltage | 1000 V | |||
| Rated voltage | 600 V | |||
| Start-up voltage | 180 V | |||
| MPPT voltage range | 150 - 850 V | |||
| Max. input current | 40 A / 40 A | 40 A | 4 × 40 A | 4 × 60 A |
| Max. short circuit current | 60 A / 60 A | 60 A | 4 × 60 A | 4 × 80 A |
| MPPT number / Max. input strings number | 3 / 6 | 4 / 8 | ||
| Battery | ||||
| Battery type | Li-ion | |||
| Battery voltage range | 120 - 800 V | |||
| Max. charge / discharge power | 32.1 kW | 33 kW | 44 kW | 55 kW |
| Max. charge / discharge current | 70 A / 2 × 50 A | 35 kW | ||
| Communication | CAN / RS485 | |||
| Output AC (Grid side) | ||||
| Rated output power | 29.9 kW | 30 kW | 40 kW | 50 kW |
| Max. apparent output power | 29.9 kVA | 30 kVA | 40 kVA | 50 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 | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| Max. output current | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) | |||
| THDi | < 3% | |||
| Input AC (Grid side) | ||||
| Max. AC pass-through current | 90.8 A / 86.4 A | 91.2 A / 86.8 A | 121.6 A / 115.4 A | 152 A / 144.4 A |
| Rated input voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | |||
| Rated input frequency | 50 Hz / 60 Hz | |||
| Input Generator | ||||
| Max. input power | 29.9 kW | 30 kW | 40 kW | 50 kW |
| Max. input current | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| Rated input frequency | 50 Hz / 60 Hz | |||
| Output AC (Back-up) | ||||
| Rated output power | 29.9 kW | 30 kW | 40 kW | 50 kW |
| Max. apparent output power | 1.6 times of rated power, 2 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 | |||
| THDv (linear load) | < 2% | |||
| Efficiency | ||||
| Max. efficiency | 97.89% | |||
| Protection | ||||
| Anti-islanding protection | Yes | |||
| General Data | ||||
| Dimensions | 550 × 800 × 300 mm | |||
| Features | ||||
| PV connection | MC4 connector | |||
| ① Supporting parallel 1-10A input. | ||||
Application Scenarios & Target Markets
Serving large residential, commercial and EPC customers across Middle East, Europe and Asia with high-performance solar & energy storage solutions
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






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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
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