Description
Short Product Description
Crown Micro VOLTMORE VMGI-3KW-SP is a 3KW single-phase on-grid solar inverter designed for residential and small commercial solar power systems. It supports up to 600V DC PV input, an 80V–560V MPPT voltage range, and delivers up to 97.6% maximum efficiency. It features IP66 protection, natural convection cooling, anti-islanding protection, Type III DC/AC surge protection and RS-485/Wi-Fi/4G communication options.
For Bangladesh, the VMGI-3KW-SP is approved by SREDA for the Net Metering Program and is listed with a capacity of 3 kW.
Key Features
- ⚡ 3KW / 3000W rated output
- ☀️ Single-phase on-grid/grid-tie inverter
- 🔋 MPPT-based solar power conversion
- 📈 97.6% maximum efficiency
- 🔌 Maximum PV voltage: 600V DC
- 📊 MPPT voltage range: 80V–560V
- 🔢 1 MPPT / 1 string per MPPT
- 🌐 RS-485 / Wi-Fi / 4G communication
- 🛡️ IP66 protection
- ❄️ Natural convection cooling
- ⚙️ Transformerless design
- 🔄 Anti-islanding protection
- ⚡ Type III DC & AC surge protection
- 🔥 DC reverse-polarity protection
- 🛡️ AC short-circuit protection
- 📱 LCD / Bluetooth + App monitoring
- 🇧🇩 SREDA-approved for Net Metering
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Crown Micro |
| Series | VOLTMORE |
| Model | VMGI-3KW-SP |
| Inverter Type | On-Grid / Grid-Tie |
| Phase | Single Phase |
| Rated Power | 3000W / 3000VA |
| Maximum DC Voltage | 600V DC |
| Nominal DC Voltage | 380V DC |
| Start Voltage | 80V |
| MPPT Voltage Range | 80–560V |
| Number of MPPT | 1 |
| Strings per MPPT | 1 |
| Maximum Input Current | 13A |
| Maximum Short-Circuit Current | 15.6A |
| Nominal AC Output Power | 3000W |
| Maximum AC Apparent Power | 3300VA |
| Nominal AC Voltage | 230V L-N |
| Maximum Output Current | 14.4A |
| Grid Frequency | 50/60Hz ±5Hz |
| Maximum Efficiency | 97.6% |
| Euro Efficiency | 97.0% |
| Power Factor | 0.8 leading – 0.8 lagging |
| THDi | <3% |
| Protection Rating | IP66 |
| Cooling | Natural Convection |
| Communication | RS-485 / Wi-Fi / 4G |
| Display | LCD / Bluetooth + App |
| Topology | Transformerless |
| Weight | 8 kg |
| Dimensions | 350 × 290 × 120 mm |
| Operating Temperature | -25°C to +60°C |
| Maximum Operating Altitude | 4000m |
| Maximum Humidity | 0–100% |
| DC Switch | Yes |
| Anti-Islanding Protection | Yes |
| DC Reverse Polarity Protection | Yes |
| AC Short Circuit Protection | Yes |
| DC Surge Protection | Type III |
| AC Surge Protection | Type III |
These specifications are from the Crown Micro catalogue and corroborating product listings.
Full Product Description
Crown Micro VOLTMORE VMGI-3KW-SP 3KW Single Phase On-Grid Solar Inverter is a high-efficiency grid-tied solar inverter designed for residential and small commercial solar PV systems. With a 3000W rated output, this inverter converts electricity generated by solar panels into AC electricity that can be used by connected electrical loads and synchronized with the utility grid.
The Crown Micro VMGI-3KW-SP supports a maximum PV voltage of 600V DC and an MPPT voltage range of 80V to 560V. With a maximum efficiency of 97.6%, it helps maximize the usable energy generated by a solar PV system.
The inverter is equipped with IP66 protection and natural convection cooling, making it suitable for various installation environments. Built-in protection features include anti-islanding protection, output overcurrent protection, DC reverse-polarity protection, AC short-circuit protection and Type III DC/AC surge protection.
For monitoring and communication, the VMGI-3KW-SP supports RS-485, Wi-Fi and 4G, while its LCD, Bluetooth and app-based monitoring options allow users to monitor system performance conveniently.
For customers in Bangladesh, the Crown Micro VMGI-3KW-SP is included in SREDA’s approved list of single-phase solar inverters for the Net Metering Program. SREDA lists the inverter with a 3 kW capacity and confirms compliance with the relevant BDS IEC standards.






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