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Solis S6-EH3P8K-LV-H Three Phase Hybrid Energy Storage Inverter
The Solis S6-EH3P8K-LV-H Three Phase Hybrid Inverter 8kW is a high-performance energy storage solution designed for residential and commercial solar power systems. It combines solar PV generation, battery storage, grid power, generator input, and backup power management in a single system.
During the day, the inverter converts solar energy into usable electricity for connected loads while charging the battery with available excess solar power. When solar generation is insufficient or the grid is unavailable, stored battery energy can be used to power connected loads, depending on the battery capacity and system configuration.
The Solis S6-EH3P8K-LV-H supports high-voltage lithium-ion batteries from 120V to 800V, four MPPT trackers, generator compatibility, dual backup ports, peak shaving, and unbalanced and half-wave loads. With IP66 protection, intelligent fan cooling, a 7-inch LCD display, Bluetooth and app monitoring, it is designed for reliable energy management in modern three-phase solar installations.
The S6-EH3P series is available in 8kW, 10kW and 12kW models.
Key Features
- 8kW rated three-phase hybrid inverter
- Supports high-voltage lithium-ion batteries
- Battery voltage range of 120V–800V
- Four independent MPPT trackers
- Recommended maximum PV array size of 16kW
- Maximum usable PV input power of 12.8kW
- Maximum PV input voltage of 1000V
- Maximum PV input current of 4 × 16A
- Generator-compatible design
- Supports dual backup ports for critical and non-critical loads
- Supports peak shaving
- Supports unbalanced and half-wave loads
- Compatible with SG heat pumps
- Backup switching time of less than 10ms
- Maximum battery charge/discharge power of 8kW
- Maximum battery charge/discharge current of 50A
- Maximum efficiency up to 96.70%
- Integrated DC switch and multiple protection functions
- 7.0-inch LCD display
- Bluetooth and app-based monitoring
- CAN, RS485 and Ethernet communication
- IP66 protection rating
- Intelligent fan-cooling system
- Supports 50Hz / 60Hz operation
Technical Specifications
Solar PV Input
| Specification | Details |
|---|---|
| Model | S6-EH3P8K-LV-H |
| Rated Power | 8kW |
| Recommended Maximum PV Array Size | 16kW |
| Maximum Usable PV Input Power | 12.8kW |
| Maximum Input Voltage | 1000V |
| Rated Voltage | 600V |
| Start-up Voltage | 160V |
| MPPT Voltage Range | 200–850V |
| Maximum Input Current | 4 × 16A |
| Maximum Short-Circuit Current | 4 × 24A |
| MPPT Number | 4 |
| Maximum Input Strings | 4 |
| PV Connector | MC4 |
Battery Specifications
| Specification | Details |
|---|---|
| Battery Type | Li-ion |
| Battery Voltage Range | 120–800V |
| Maximum Charge/Discharge Power | 8kW |
| Maximum Charge/Discharge Current | 50A |
| Communication | CAN / RS485 |
| Battery Connection | OT Terminal |
AC Output – Grid Side
| Specification | Details |
|---|---|
| Rated Output Power | 8kW |
| Maximum Apparent Output Power | 8kVA |
| Rated Grid Voltage | 3/(N)/PE, 127V / 220V, 133V / 230V |
| Rated Grid Frequency | 50Hz / 60Hz |
| Rated Output Current | 20.1A |
| Maximum Output Current | 20.1A |
| Power Factor | >0.99 (0.8 leading–0.8 lagging) |
| Total Harmonic Distortion (THDi) | <3% |
AC Input – Grid Side
| Specification | Details |
|---|---|
| Input Voltage Range | 176–253V / 184–265V |
| Maximum Input Current | 30.1A |
| Rated Grid Frequency | 50Hz / 60Hz |
| Frequency Range | 45–55Hz / 55–65Hz |
Generator Input
| Specification | Details |
|---|---|
| Maximum Input Power | 8kW |
| Maximum Input Current | 20.1A |
| Rated Input Frequency | 50Hz / 60Hz |
AC Output – Backup Side
| Specification | Details |
|---|---|
| Rated Output Power | 8kW |
| Maximum Apparent Output Power | Up to 16kVA for 10 seconds |
| Backup Switching Time | <10ms |
| Rated Output Voltage | 3/(N)/PE, 127V / 220V, 133V / 230V |
| Rated Frequency | 50Hz / 60Hz |
| Rated Output Current | 20.1A |
| THDv at Linear Load | <2% |
Efficiency
| Specification | Details |
|---|---|
| Maximum Efficiency | 96.70% |
| EU Efficiency | 96.39% |
| Maximum Battery Charging Efficiency from PV | 96.23% |
| Maximum Battery Charge/Discharge-to-AC Efficiency | 96.43% |
Protection Features
| Protection | Specification |
|---|---|
| Anti-Islanding Protection | Yes |
| Output Overcurrent Protection | Yes |
| Short-Circuit Protection | Yes |
| Integrated AFCI 2.0 | Optional |
| Integrated DC Switch | Yes |
| DC Reverse-Polarity Protection | Yes |
| PV Overvoltage Protection | Yes |
| Battery Reverse Protection | Yes |
General Specifications
| Specification | Details |
|---|---|
| Maximum Phase Imbalance | 100% |
| Maximum Power per Phase | 50% of rated power |
| Dimensions (W × H × D) | 563 × 546 × 250mm |
| Weight | 35.2kg |
| Topology | Transformerless |
| Night-Time Self-Consumption | <25W |
| Operating Temperature | −25°C to +60°C |
| Relative Humidity | 0–95% |
| Protection Rating | IP66 |
| Noise Emission | <65dB(A) |
| Cooling | Intelligent Fan Cooling |
| Maximum Operating Altitude | 2000m |
Connections & Monitoring
| Specification | Details |
|---|---|
| PV Connection | MC4 |
| Battery Connection | OT Terminal |
| AC Connection | OT Terminal |
| Display | 7.0-inch LCD |
| Monitoring | Bluetooth & App |
| Communication | CAN, RS485, Ethernet |
| Optional Communication | Wi-Fi, Cellular, LAN |
Standards & Compliance
- EN 50549-1/-10
- VDE4105
- REN342
- IEC/EN 62109-1/-2
- IEC/EN 61000-6-1/-2/-3/-4
Available Models
The Solis S6-EH3P(8-12)K-LV-H series is available in the following models:
- S6-EH3P8K-LV-H – 8kW
- S6-EH3P10K-LV-H – 10kW
- S6-EH3P12K-LV-H – 12kW
Product Information
| Attribute | Details |
|---|---|
| Product Type | Three Phase Hybrid Energy Storage Inverter |
| Brand | Solis |
| Series | S6-EH3P(8-12)K-LV-H |
| Primary Model | S6-EH3P8K-LV-H |
| Rated Power | 8kW |
| Available Models | 8kW, 10kW, 12kW |
| Phase | Three-Phase |
| Battery Type | Li-ion |
| Battery Voltage Range | 120–800V |
| Maximum PV Input Voltage | 1000V |
| Protection Rating | IP66 |
| Frequency | 50Hz / 60Hz |
Warranty
Warranty coverage may vary by region, supplier and product batch. Please confirm the applicable warranty period with the authorized supplier or manufacturer before purchase.
Important Note
This product information is based on the available Solis S6-EH3P(8-12)K-LV-H technical specifications. Specifications may be updated or changed by the manufacturer without prior notice.
Actual solar generation, battery performance and backup operation depend on PV array sizing, battery capacity, connected loads, grid conditions, installation environment and overall system configuration. Always confirm the selected model, battery compatibility, electrical requirements and warranty terms with the supplier before installation.