Crown Micro VOLTMORE-VMGI-4KW Three Phase On-Grid Solar Inverter – Overview
The Crown Micro VOLTMORE-VMGI-4KW is a reliable and high-performance three-phase on-grid solar inverter designed for residential and commercial applications. With maximum efficiency of 98.4% and Euro efficiency of 97.5%, it ensures optimal solar power conversion. The wide MPPT range (140–1000V) provides greater flexibility for different PV array designs, while IP66 protection guarantees long-lasting durability in outdoor environments.
Key Benefits
- High efficiency up to 98.4% with Euro efficiency of 97.5%.
- Three-phase grid-tied design for balanced and efficient power delivery.
- Wide MPPT voltage range (140–1000V) enhances solar input compatibility.
- Built-in protections: anti-islanding, overcurrent, reverse polarity, surge, insulation detection, and short-circuit protection.
- Optional Wi-Fi/4G connectivity for real-time monitoring and management.
- IP66-rated protection for reliable outdoor performance.
- Lightweight, transformer-less design with natural cooling for silent operation.
- 10-year warranty ensures peace of mind and long-term durability.
This inverter is ideal for medium-scale solar systems requiring a three-phase setup. It can be paired with advanced solar panels and expanded with a battery bank for hybrid configurations.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | VMGI-4KW |
| Rated Power | 4000VA / 4000W |
| Max. DC Voltage | 1100V |
| Nominal Voltage | 650V |
| Start Voltage | 250V |
| MPPT Voltage Range | 140–1000V |
| Number of MPPT | 2 |
| Max. Input Current per MPPT | 15A |
| Max. Short-Circuit Current per MPPT | 20A |
| Nominal AC Output Power | 4000W |
| Max. AC Output Power | 4400VA |
| Nominal AC Voltage | 400/230V 3P+N+PE |
| AC Grid Frequency Range | 50/60Hz (±5Hz) |
| Max. Output Current | 6.4A |
| Power Factor | 0.8 leading – 0.8 lagging |
| THDI | <3% |
| Max. Efficiency | 98.4% |
| Euro Efficiency | 97.5% |
| DC Switch | Yes |
| Protections | Anti-islanding, Overcurrent, Reverse polarity, Surge, Insulation, Short circuit |
| Surge Protection | DC Type II; AC Type II optional |
| Dimensions (W×H×D) | 380 × 428 × 161 mm |
| Weight | 12 kg |
| Operating Temperature | -25°C to +60°C |
| Cooling Type | Natural cooling |
| Max. Operating Altitude | 4000 m |
| Max. Operating Humidity | 0–100% (non-condensing) |
| IP Class | IP66 |
| Topology | Transformer-less |
| Communication | RS-485 / Wi-Fi / 4G |
| Display | LCD |
Download Datasheet | For manufacturer details, see the official page: Crown Micro VOLTMORE-VMGI-4KW
