⚡ High-Efficiency Power Conversion

• Advanced MPPT technology with >99.6% tracking efficiency maximizing solar yield
• Dual power input: Single phase AC grid (220V) and DC solar with seamless auto-switching
• Extended output frequency range: 0-600Hz for precise flow control
• Compatible with PMSM and standard asynchronous induction motors
• Optimized for residential and farm 220V pump applications up to 5.5HP

🛡️ Industrial-Grade Protection

• Dry-run protection automatically stops pump when water source depletes
• Loss-of-phase protection prevents motor damage from power imbalances
• Integrated strong lightning protection for outdoor installations
• IP20 standard enclosure (IP55/IP65 options available for harsh environments)
• Overvoltage, undervoltage, and overload protection circuits

📡 Smart Automation & Monitoring

• Built-in WiFi module for real-time monitoring and remote parameter adjustment
• Water level control port for automated start/stop based on tank/reservoir levels
• Auto sleep mode activates when solar irradiance drops below operational thresholds
• Optional GPRS module for remote area monitoring without local network
• Clock relay card enables programmable operating schedules
• LED/LCD display with intuitive navigation and fault code display

💰 Operational Cost Savings

• Eliminates diesel fuel costs and generator maintenance expenses
• Fully automatic operation reduces manual supervision requirements
• Soft-start functionality reduces mechanical stress and extends pump lifespan
• Wide operating temperature range: -25°C to +60°C for global deployment
• Ideal for large residential water supply and medium-scale irrigation systems

Does the 11PV 4KW single phase solar pump inverter require batteries to operate?

No. The 11PV is a battery-less solar pump inverter that operates directly from solar panel DC input (260-375V) or 220V AC grid power. It converts energy in real-time to drive your 4KW single phase pump motor, eliminating the cost and maintenance of battery banks. The >99.6% MPPT efficiency ensures maximum power extraction from your PV array, delivering water when the sun shines without energy storage overhead—perfect for large residential and medium farm applications.

Can this 4KW single phase inverter run my existing 220V 5.5HP pump?

Yes. The 11PV-4K0GB-2S is specifically rated for 4.0KW (5.5HP) single phase 220V pumps. It supports both PMSM (Permanent Magnet Synchronous Motors) and standard asynchronous (induction) motors, outputting single phase 220V at 0-600Hz. The 17A rated current provides substantial starting torque for deep well submersible pumps, large surface centrifugal pumps, and medium-scale irrigation systems commonly used in farms and large residential properties.

What is the difference between 2S series (220V) and 4T series (380V) models?

The 2S series is designed for single phase 220V pumps with a lower DC MPPT voltage range of 260-375V, making it ideal for residential and small-to-medium farm applications with standard household electrical infrastructure. The 4T series supports three phase 380V pumps with a higher MPPT range of 486-750V for industrial and large agricultural systems. Choose 2S for 220V pumps up to 4KW; choose 4T for commercial three-phase pumps from 0.75KW to 160KW.

What happens when solar power is insufficient or during cloudy weather?

The 11PV features intelligent AC/DC seamless switching. When connected to 220V AC grid power, it automatically supplements or switches to grid supply when solar irradiance drops. In pure solar mode, the inverter enters auto sleep mode when DC input falls below the minimum operating threshold (approximately 260V), then resumes operation automatically when sunlight returns. The optional clock relay card allows scheduling pump operation during peak solar hours to maximize efficiency and water delivery for your farm or large property needs.

How does the water level control system protect my pump?

The dedicated water level control port accepts float switch or pressure sensor inputs. If the water source (well, tank, or reservoir) drops below safe operating levels, the inverter immediately executes dry-run protection to stop the pump, preventing seal damage, overheating, and impeller wear. The system can also interface with storage tank level sensors to enable automatic fill control—stopping when full and restarting when levels drop, enabling true 24/7 unattended operation for large residential water supply and medium-scale irrigation systems.