Crown Micro VOLTMORE-VMGI-3KW-SP Single Phase On-Grid Solar Inverter – Overview
The Crown Micro VOLTMORE-VMGI-3KW-SP inverter is a highly efficient, durable, and compact on-grid inverter built for residential and small commercial PV systems. With peak efficiency of 97.6%, IP66 protection, and Wi-Fi/4G monitoring, it delivers strong performance and easy system integration.
Key Benefits
- High efficiency inverter: 97.6% max efficiency, 97.0% Euro.
- Wide MPPT range (80V–560V DC) for flexible PV arrays.
- Compact design with IP66-rated protection for outdoor use.
- Integrated protections: DC switch, anti-islanding, overcurrent, reverse polarity, and surge.
- Optional Wi-Fi/4G for remote monitoring and control.
- Quick AC connector for fast and safe installation.
- Transformer-less, lightweight design with natural convection cooling.
- 10-year warranty ensures long-term reliability and support.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | VMGI-3KW-SP |
| Rated Power | 3000VA / 3000W |
| Max. DC Voltage | 600VDC |
| Nominal Voltage | 380VDC |
| Start Voltage | 80V |
| MPPT Voltage Range | 80–560V |
| Number of MPPT | 1 |
| Strings per MPPT | 1 |
| Max. Input Current per MPPT | 13A |
| Max. Short-Circuit Current per MPPT | 15.6A |
| Nominal AC Output Power | 3000W |
| Max. AC Apparent Power | 3300VA |
| Nominal AC Voltage | 230V L-N |
| AC Grid Frequency Range | 50Hz / 60Hz ± 5Hz |
| Max. Output Current | 14.4A |
| Power Factor | 0.8 leading – 0.8 lagging |
| THDI | <3% |
| Max. Efficiency | 97.6% |
| Euro Efficiency | 97.0% |
| DC Switch | Yes |
| Anti-Islanding Protection | Yes |
| Output Overcurrent Protection | Yes |
| DC Reverse Polarity Protection | Yes |
| DC/AC Surge Protection | DC Type III / AC Type III |
| Insulation Detection | Yes |
| AC Short Circuit Protection | Yes |
| Dimensions (W×H×D) | 350 × 290 × 120 mm |
| Weight | 8 kg |
| Operating Temperature | -25°C to +60°C |
| Cooling Type | Natural Convection |
| Max. Operating Altitude | 4000 m |
| Max. Operating Humidity | 0–100% |
| AC Output Terminal Type | Quick Connector |
| IP Class | IP66 |
| Topology | Transformer-less |
| Communication Interface | RS-485 / Wi-Fi / 4G |
| Display | LCD / Bluetooth + App |
Download Datasheet | For manufacturer details, see the official page: Crown Micro VOLTMORE-VMGI-3KW-SP



