Description
The CROWN Micro VOLTMORE VMGI-8KW is an efficient 8KW three-phase on-grid solar inverter designed for commercial, industrial, and large rooftop solar installations. It uses MPPT technology to efficiently convert solar energy into grid-compatible electricity.
With a 1100V maximum DC input voltage, 140V–1000V MPPT operating range, up to 98.6% efficiency, and IP66 protection, the VMGI-8KW is built for reliable operation in demanding solar environments. It also supports RS485 communication with optional Wi-Fi/4G monitoring, making system performance easier to monitor remotely.
Key Features
- 8KW Three-Phase On-Grid Solar Inverter
- Model: VMGI-8KW
- Rated Power: 8000VA / 8000W
- Maximum AC Output Power: 8800VA
- Maximum DC Voltage: 1100V
- Nominal DC Voltage: 650V
- Start-Up Voltage: 250V
- MPPT Voltage Range: 140V–1000V DC
- 2 MPPT Trackers
- Maximum Input Current per MPPT: 15A
- Maximum Short-Circuit Current per MPPT: 20A
- Maximum Efficiency: 98.6%
- Euro Efficiency: 98.0%
- Three-Phase Grid Connection
- IP66 Protection
- Natural Cooling
- Transformerless Design
- LCD with Touch Pad
- RS485 Communication
- Optional Wi-Fi / 4G Monitoring
- Built-in DC Switch
- Anti-Islanding Protection
- DC Reverse Polarity Protection
- String Fault Detection
- DC & AC Surge Protection
- Insulation Detection
- AC Short-Circuit Protection
- 10-Year Warranty
Technical Specifications
| Specification | Details |
|---|---|
| Brand | CROWN Micro |
| Series | VOLTMORE |
| Model | VMGI-8KW |
| Inverter Type | Three-Phase On-Grid |
| Rated Power | 8000VA / 8000W |
| Maximum AC Output Power | 8800VA |
| Maximum DC Voltage | 1100V |
| Nominal DC Voltage | 650V |
| Start-Up Voltage | 250V |
| MPPT Voltage Range | 140–1000V DC |
| Number of MPPT | 2 |
| Max. Input Current per MPPT | 15A |
| Max. Short-Circuit Current per MPPT | 20A |
| Nominal AC Voltage | 400 / 230V, 3P + N + PE |
| Grid Frequency | 50/60Hz ±5Hz |
| Maximum Output Current | 12.8A |
| Power Factor | 0.8 Leading – 0.8 Lagging |
| THDI | <3% |
| Maximum Efficiency | 98.6% |
| Euro Efficiency | 98.0% |
| Cooling | Natural Cooling |
| Protection Rating | IP66 |
| Topology | Transformerless |
| Communication | RS485 / Wi-Fi / 4G |
| Display | LCD with Touch Pad |
| Operating Temperature | -25°C to +60°C |
| Maximum Operating Altitude | 4000m |
| Maximum Humidity | 0–100%, non-condensing |
| Dimensions | 380 × 483 × 161 mm* |
The official catalogue confirms the VMGI-8KW specifications within the VOLTMORE 3KW–12KW range.
Protection Features
The CROWN Micro VOLTMORE VMGI-8KW includes multiple protection functions for safe and reliable grid-connected solar operation:
- DC Switch
- Anti-Islanding Protection
- Output Overcurrent Protection
- DC Reverse Polarity Protection
- String Fault Detection
- DC Surge Protection
- AC Surge Protection
- Insulation Detection
- AC Short-Circuit Protection
- IP66 Dust & Water Protection
The catalogue specifies Type II DC surge protection and Type III AC surge protection, with Type II AC protection available as an option.
Applications
The CROWN Micro VOLTMORE VMGI-8KW is suitable for:
- 🏭 Factory Rooftop Solar Systems
- 🏢 Commercial Buildings
- 🏬 Shopping Malls
- 🏨 Hotels
- 🏥 Hospitals
- 🏫 Schools & Universities
- 🏪 Commercial Shops
- 🏠 Large Residential Solar Systems
- 🌞 Industrial Solar Projects
- ⚡ Grid-Tied Solar Systems
- 🔋 Net Metering Projects
- 🌱 Commercial Renewable Energy Systems
Why Choose CROWN Micro VOLTMORE VMGI-8KW?
High Efficiency
With maximum efficiency of up to 98.6%, the VMGI-8KW is designed to minimize energy conversion losses and maximize solar power utilization.
Dual MPPT Technology
The two MPPT trackers help optimize solar energy harvesting from different PV strings and provide greater flexibility in solar panel system design.
Wide PV Voltage Range
The inverter supports a 140V–1000V MPPT operating range and 1100V maximum DC voltage, giving installers flexibility when configuring solar PV arrays.
IP66 Protection
The IP66-rated design provides protection against dust and water, making the inverter suitable for demanding indoor and outdoor installations.
Smart Monitoring
RS485 communication and optional Wi-Fi/4G connectivity allow convenient monitoring of solar system performance.
Product Highlights
- 8KW Three-Phase On-Grid Solar Inverter
- 8.8KVA Maximum AC Output
- 1100V Maximum PV Voltage
- 140–1000V MPPT Range
- 2 MPPT Trackers
- 98.6% Maximum Efficiency
- 98.0% Euro Efficiency
- 12.8A Maximum Output Current
- IP66 Protection
- Natural Cooling
- Wi-Fi / 4G Monitoring
- RS485 Communication
- LCD Touch Pad Display
- Transformerless Technology
- Advanced AC & DC Protection
- 10-Year Warranty






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