LIGEN-INV3500 S - 48VDC
Overview: The Ligen Power® inverter is a robust commercial-grade solution designed for small to medium-sized businesses, offices, and shops. With advanced features and a sturdy build, it ensures uninterrupted power during outages for smooth operations.
Key performance: High efficiency with low energy consumption, CRGO laminated core, pure copper transformer, low no-load DC current (0.7A ± 0.3A), and 70 micron high-grade PCB. Consistent 0.8 power factor output at 3.5KVA (2.8kW max load) and stable 220V. Advanced MPPT technology with tracking efficiency ≥90%.
Technology: Built-in MPPT solar charge controller for optimized performance. DSP-based design with fewer components for a compact footprint. Sine wave technology for safe, efficient power delivery. Soft start protects appliances at start-up.
Intelligent Processing: DSP technology enables advanced control algorithms for precise output regulation, adaptive learning for optimized battery management, and fault detection for enhanced reliability. Efficient power management and quick fault response ensure uninterrupted operation in offline applications. Smart Display: Offers unique indications for mains status, Output status, system faults, Load status, Temperature status, Charging and battery status.
Protection Features: Includes MCB/Fuse for input mains protection and a bypass switch for direct main supply in case of inverter faults. Grid Protection with AC input low and high voltage cut off protections in both inverter and UPS modes. Noiseless Operation: Low harmonic distortion ensures quiet operation. This inverter prioritizes reliability, efficiency, and safety, making it an ideal choice for commercial establishments requiring dependable backup power solutions.
Key Features
4 Line LCD Display
4 Line Multifunctional LCD Front Panel display offers unique indications for mains status, Output status, system faults, Load status, Temperature status, Charging and battery status.
Advanced Safety
Multiple protection features including overload, deep discharge, over charge, short circuit, and over temperature protection.
3.5kVA Power
3.5KVA / 2.8kW rated power with pure sine wave output for safe and efficient power delivery. Ideal for residential and commercial applications.
MPPT Solar Controller
Built-in MPPT solar charge controller (50A). Maximum 2.5kW PV connected with 60V–120V DC input (Voc ≤ 150V DC).
Efficient Power Performance
High efficiency (>90%) with DSP Based Loss Components technology. Small size, less electricity bill, and more efficiency.
DSP Technology
DSP Based Loss Components technology enables advanced control algorithms for precise output regulation, adaptive learning for optimized battery management, and fault detection for enhanced reliability.
Technical Specifications
| PARAMETER | DETAILS / VALUES |
|---|---|
| MODEL | 3.5KVA MPPT PCU Inverter |
| RATED POWER | 3.5KVA / 2.8KW (1 Phase Input 1 Phase Output) |
| INPUT VOLTAGE (BATTERY MODE) | 51.2V DC |
| BATTERY CHEMISTRY | Lithium iron phosphate (LFP) |
| BATTERY PACK | Internal integrated with 16S1P BMS |
| BATTERY CAPACITY | 100Ah |
| GRID INPUT VOLTAGE | 90V - 260V AC |
| SOLAR INPUT VOLTAGE (Vmp) | 60V – 120V DC |
| SOLAR VOC | ≤ 150V DC |
| MAXIMUM PV CONNECTED | 2.5KW ± 8% |
| SOLAR CONTROLLER TYPE | MPPT (Maximum Power Point Tracking) |
| CHARGING MODES | Solar, Grid, Solar + Grid [If Solar CHG ≤ (5.0A±0.5A)] |
| OUTPUT WAVEFORM | Pure Sine Wave |
| EFFICIENCY | > 90% |
| MAX SOLAR CHARGING CURRENT | 50A ± 5A (Boost MOSFET based) |
| MAX GRID CHARGING CURRENT | 15A ± 1A (CCCV) |
| OPERATION LOGIC FOR CHARGING | Solar Priority (By default) / Grid Priority |
| OUTPUT VOLTAGE (BACKUP MODE) | 220V AC ± 2% |
| OUTPUT VOLTAGE (GRID MODE) | Same as Input |
| OUTPUT FREQUENCY ON BATTERY | 50Hz ± 0.05Hz |
| CHANGEOVER TIME | < 8ms |
| PROTECTION | Yes (Automatic Cut-off) |
| PROTECTION SUPPORTED | Overload, Deep Discharge, Over Charge, Short Circuit, Over Temperature |
| OVER LOAD CAPACITY | >120%: 3 times auto reset, 4th time shut down; >200% output goes down |
| DISPLAY ON MPPT | Array voltage, array current, battery voltage, battery current, charging status, kWh |
| DISPLAY ON UPS/INVERTER | Low battery, battery voltage, charging current, charging mode, AC in/out, load, overload, temperature, inverter on/off status |
| OPERATING TEMPERATURE RANGE | -20°C to 65°C |
| COOLING MECHANISM | Intelligent Fan Cooling |
| COOLING FAN START/STOP | 60°C or Load above 50% / 50°C & Load below 50% |
| AUDIBLE ALARM | Yes |
| BYPASS FEATURE | Manual |
| DIMENSIONS (L × W × H) | 54.6 × 42.5 × 75.6 cm |
| WARRANTY | Inverter: 1 Year, Battery: 6 Years |
Additional Information
- Auto switchover between solar and mains charging; zero-drop solar charger (max. 50A).
- Simultaneous charging through mains and solar panel with short charging time and long battery backup.
- High-grade CRGO laminated pure copper transformer; zero grid power consumption at idle.
- Battery grid charging even at low grid voltage; intelligent charging adapts to battery health and power-cut patterns.
- Forced grid-to-solar mode shifting; constant noise-free DSP pure sine wave output.
- 4-line multifunctional LCD front panel; intelligent multi-stage solar and grid charging (bulk, absorption, float).
- High overload and surge handling; MCB short-circuit protection for grid power.
- Easy to operate with no maintenance cost and fumeless operation.
- Download full datasheet (PDF)
Perfect For
Small to Medium Businesses
Ideal for small to medium-sized businesses requiring reliable backup power.
Offices
Keep computers, POS systems, routers, and office equipment running.
Shops
Perfect for retail shops, restaurants, clinics, pharmacies, and banks.
Telecommunication
Suitable for telecommunication facilities requiring reliable backup power.
Ready to Power Your Business?
Get in touch with us today to learn more about the LIGEN-INV3500 S - 48VDC Solar MPPT PCU and how it can meet your power backup needs.