Product Overview
The SUNNYSKY SOLAR S6-EH3P(80-125)K10-NV-YD-H series is a high-voltage, three-phase energy storage hybrid inverter engineered for commercial and industrial applications. The 80KW model integrates PV inversion, battery energy management, grid interaction, generator input, and backup power into a single transformerless unit. It supports both on-grid and off-grid operation, DC and AC coupling, and parallel expansion up to 1.25MW, making it ideal for factories, industrial parks, commercial buildings, and microgrids.
Key Features
- 200% PV Oversizing: Supports up to 160kW PV input (2× rated power) to maximize solar utilization across complex rooftop orientations.
- 10 Independent MPPTs: 10 MPPT trackers with 42A per string and up to 20 input strings, minimizing mismatch loss in shaded or multi-orientation layouts.
- High-Voltage Battery Support: Compatible with 300–950V Li-ion batteries; dual independent battery ports (100A + 100A) for flexible configuration and capacity expansion.
- Fast Charging: Up to 200A maximum battery charge/discharge current, compatible with 100–314Ah battery modules.
- Seamless UPS-Level Switching: <10ms automatic on/off-grid transfer (single unit), <20ms in parallel, ensuring uninterrupted power for critical loads.
- Strong Overload Capability: Delivers 160% overload for 200ms in off-grid mode for stable start-up of heavy inductive loads.
- Parallel Scalability: Multi-unit parallel operation up to 1.25MW (SUNNYSKY SOLAR STS cabinet recommended for systems over 6 units).
- Smart Energy Management: Peak shaving, demand management, anti-reverse-flow control, dynamic reactive power compensation, and intelligent load prioritization via SUNNYSKY SOLAR Cloud.
- Flexible Source Integration: Three-in-one interface for on-grid PV, wind power, and diesel generators; built-in generator auto start/stop management.
- Patented Cooling: Intelligent redundant fan cooling for reliable high-temperature operation.
Detailed Specifications — 80K Model
Input DC (PV Side)
| Parameter | Value |
|---|---|
| Recommended Max. PV Array Size | 160 kW |
| Max. Usable PV Input Power | 160 kW |
| Max. Input Voltage | 1000 V |
| Rated Voltage | 600 V |
| Start-up Voltage | 180 V |
| MPPT Voltage Range | 150 – 950 V |
| Max. Input Current | 10 × 42 A |
| Max. Short Circuit Current | 10 × 60 A |
| MPPT Number / Max. Input Strings | 10 / 20 |
| PV Connection | MC4 connector |
Battery
| Parameter | Value |
|---|---|
| Battery Type | Li-ion (High Voltage) |
| Battery Voltage Range | 300 – 950 V |
| Max. Charge / Discharge Current | 200 A (100 A + 100 A) |
| Number of Battery Ports | 2 |
| Max. Charge / Discharge Current per Port | 100 A |
| Battery Communication | CAN / RS485 |
| Battery Connection | Terminal connector |
Output AC (Grid Side)
| Parameter | Value |
|---|---|
| Rated Output Power | 80 kW |
| Max. Apparent Output Power | 80 kVA |
| Rated Grid Voltage | 3/N/PE, 220V/380V, 230V/400V |
| Rated Grid Frequency | 50 Hz / 60 Hz |
| Rated Grid Output Current | 121.6 A / 115.5 A |
| Power Factor | > 0.99 (0.8 leading – 0.8 lagging) |
| THDi | < 3% |
| AC Connection | Terminal block |
Input AC (Grid Side)
| Parameter | Value |
|---|---|
| Max. Input Power | 160 kW |
| Input Voltage Range | 304 – 460 V |
| Max. Input Current | 250 A |
Output AC (Backup)
| Parameter | Value |
|---|---|
| Rated Output Power | 80 kW |
| Max. Apparent Output Power | 1.2× rated (10 min); 1.4× rated (100 s); 1.6× rated (10 s) |
| Backup Switch Time | < 10 ms (single unit); < 20 ms (parallel, up to 6 units) |
| Rated Output Voltage | 3/N/PE, 220V/380V, 230V/400V |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Output Current | 121.6 A / 115.5 A |
| Max. AC Passthrough Current | 121.6 A / 115.5 A |
| THDv at Linear Load | < 3% |
Input AC (Generator Side)
| Parameter | Value |
|---|---|
| Max. Input Power | 80 kW |
| Rated Input Current | 121.6 A / 115.5 A |
| Rated Input Voltage | 3/N/PE, 220V/380V, 230V/400V |
| Rated Input Frequency | 50 Hz / 60 Hz |
Efficiency
| Parameter | Value |
|---|---|
| Max. Efficiency | 97.6% |
| EU Efficiency | 97.2% |
| Battery Charged by PV / AC Max. Efficiency | 98.2% / 97.0% |
| Battery Discharge Efficiency | 97.0% |
Protection
| Parameter | Value |
|---|---|
| Surge Protection | DC Type II / AC Type II |
| Output Over Current Protection | Yes |
| Insulation Resistance Monitoring | Yes |
| Residual Current Detection | Yes |
| Integrated PV Switch | Yes |
| DC Reverse Polarity Protection | Yes |
| Anti-Islanding Protection | Yes |
| Protection Class / Overvoltage Category | I / DC II, AC III |
| Integrated AFCI 2.0 | Optional |
General Data
| Parameter | Value |
|---|---|
| Max. Allowable Phase Imbalance (Grid & Backup) | 100% |
| Max. Power per Phase | 26.66 kW |
| Dimensions (W × H × D) | 1174 × 814 × 400 mm |
| Weight | 170 kg |
| Topology | Transformerless (Non-isolated) |
| Self-Consumption | < 45 W |
| Operating Temperature Range | -25°C to +60°C |
| Relative Humidity | 0 – 100% |
| IP Rating | IP66 |
| Cooling | Intelligent redundant fan cooling |
| Max. Operating Altitude | 3000 m |
Display & Communication
| Parameter | Value |
|---|---|
| Display | 7.0" LCD, Bluetooth + App |
| Communication | Wi-Fi, LAN, Bluetooth, CAN-BMS ×2, CAN-Parallel ×2, RS485-Meter, RS485, DRM, DI ×5, DO ×4 |
Standards & Certifications
- Grid Connection: G99, VDE-AR-N 4105, EN 50549-1/-2/-10, IEC 62116, IEC 61727
- Safety / EMC: IEC/EN 62109-1/-2, IEC/EN 61000-6-2/-4, EN 55011
Applications
- Commercial and industrial rooftop PV + storage (factories, industrial parks, logistics warehouses)
- Peak shaving, demand management, and anti-reverse-flow for commercial buildings, hotels, data centers
- Backup power and microgrids with generator hybrid integration
- PV-storage-charging integrated stations and weak-grid scenarios
Advantages
- High Integration: One transformerless unit replaces multiple discrete devices, saving cabinet space and installation labor.
- Maximum Yield: 200% PV oversizing + 10 MPPTs harvests more energy from complex layouts.
- High Reliability: IP66 rating, wide -25°C to +60°C operating range, intelligent redundant cooling, and multi-level electrical protection.
- Scalable: Parallel expansion up to 1.25MW meets growing C&I capacity needs.
- Smart O&M: SUNNYSKY SOLAR Cloud platform for remote monitoring, AI optimization, and instant troubleshooting.
Service & Warranty
- 5-year standard warranty, extendable to 10 years
- Product selection, system design, and grid-connection technical support
- Global service network and remote O&M via SUNNYSKY SOLAR Cloud
80KW Three-Phase Hybrid Solar Inverter Overview
The 80KW three-phase hybrid solar inverter is designed for commercial and industrial sites that need to coordinate solar generation, grid power, and energy storage in one system. For buyers managing high daytime loads, rising electricity costs, or the need for backup power planning, this type of inverter helps convert solar DC power into usable AC power while supporting system-level energy management. In practical terms, it is built for projects where a standard residential inverter is not enough and where stable three-phase output matters for large electrical equipment.
Based on the visible product information, this SUNNYSKY unit belongs to the 80–125K power class and uses a wall-mounted electrical cabinet format. The enclosure appears to be a robust metal housing with a front access panel, integrated display, and lower cable connection area. That structure is common in commercial energy storage system inverter installations, where service access, cable routing, and secure enclosure design are all important.
Product Structure and Visible Features
This model shows a compact industrial cabinet layout rather than a lightweight consumer-style device. The front face includes a small HMI or display screen for local monitoring, and the lower section appears to contain multiple sealed electrical ports or cable glands. The perimeter fasteners suggest a closed enclosure designed for secure assembly and maintenance.
The visible finish is a white painted or powder-coated metal surface, which is suitable for industrial environments and helps protect the enclosure during long-term outdoor or indoor use. While the image does not confirm the environmental rating, the sealed construction and cabinet-style body are consistent with the expectations buyers often have for an IP65 commercial energy storage inverter category.
Key visible points
• Power class marking: 80–125K
• Front display for status monitoring
• Wall-mounted or cabinet-mounted form factor
• Metal enclosure with visible fasteners
• Bottom cable/connector interface area
• SUNNYSKY branding on the front panel
What This Type of Inverter Is Used For
A three phase hybrid solar inverter 80kw is typically chosen for sites that already use or plan to use three-phase distribution. These include factories, warehouses, agricultural operations, logistics facilities, office parks, and other commercial rooftops or ground-mount solar projects. When paired with batteries, the inverter can support a hybrid operating mode, helping the site balance solar output, grid supply, and stored energy.
For buyers, the main value is system flexibility. A grid tie hybrid solar inverter can reduce dependence on the utility during solar production hours and may also support energy shifting when storage is available. If the project requires storage integration, a hybrid solar inverter with battery architecture can help coordinate charging and discharging according to site demand and system settings.
Specifications and Capability Considerations
Since the internal datasheet is not provided, exact electrical values should be confirmed before purchase. Still, several selection points are clear for this product class. Buyers should verify AC output configuration, PV input range, battery voltage compatibility, protection functions, communication interfaces, and local compliance requirements. These details are especially important when comparing a high voltage solar inverter with other commercial units.
In large systems, a high voltage battery compatible inverter can reduce current on the battery side and support more efficient cable planning, but compatibility must be checked against the battery bank and BMS requirements. The same applies to the full system architecture: if the project is intended as an 80kW hybrid inverter installation, the designer should confirm how the inverter behaves under different solar, battery, and grid conditions.
Materials, Finish, and Enclosure Design
The visible housing appears to be fabricated from sheet metal with a powder-coated or painted finish. This is a practical choice for industrial electrical equipment because it supports rigidity, corrosion resistance, and serviceability. The enclosure geometry includes rounded corners and a deep side section, which may help with internal layout and cable management.
For buyers comparing enclosure types, details such as access direction, connector placement, and service clearance can matter as much as electrical ratings. In commercial deployments, these physical features often affect installation time and maintenance access.
Manufacturing and Integration Process
From the visible construction, this product likely involves sheet-metal fabrication, surface finishing, mechanical assembly, and electronic integration. The cabinet form suggests an industrial assembly process rather than a simple boxed circuit board. For a product in this power range, quality enclosure fabrication and careful wiring layout are important to reduce mechanical stress on connectors and improve long-term reliability.
Quality Control and Buyer Checks
Before selecting a commercial energy storage system inverter, buyers should request confirmation of the electrical ratings, protection functions, cooling approach, communication options, and certification package relevant to the destination market. For project procurement, it is also wise to ask for wiring diagrams, installation instructions, and battery compatibility documentation if the inverter will be used in a storage-based system.
Because the image does not show internal components, it would be unsafe to assume exact efficiency, MPPT count, or IP rating. Those items should come from the official datasheet rather than a visual inspection.
Customization and Project Fit
Commercial solar projects often need customization around voltage levels, grid standards, communication ports, monitoring integration, and battery interface requirements. If you are sourcing an 80KW three-phase hybrid solar inverter for a specific site, define the load profile, grid code, battery type, and installation environment early in the procurement process. That information helps the supplier recommend the correct configuration and avoid mismatches during commissioning.
Why Buyers Evaluate This Type of Product
Decision makers usually compare performance stability, enclosure durability, service access, system compatibility, and vendor support. For a high power inverter in a commercial setting, the physical build quality matters because downtime can affect production, refrigeration, pumping, or facility operations. A well-designed inverter cabinet also simplifies maintenance and supports cleaner cable routing.
Contact for Project Review
Guangzhou Tianyuan Solar Equipment CO.,LTD, under the SUNNYSKY brand, develops solar equipment with independent R&D and patented technologies, serving customers in more than 50 countries. If you are planning a commercial solar or storage project and need help matching system requirements to an 80KW three-phase hybrid solar inverter, contact the team to review your application, installation conditions, and technical targets.
