DELIXI Solar Pump Inverter – Three Phase, 18.5 kW
DELIXI Solar Pump Inverter – Three Phase, 18.5 kW
Product Code: CDI-SPDG18.5T4
Input: 380V, 3-phase, 50/60Hz
Output: 380V, 3-phase, 0–320Hz
Power Rating: 18.5 kW
Rated Current: 37A
PV Voltage Range: 300–750V
Dimensions: 260 × 340 × 233 mm
DELIXI Solar Pump Inverter: Boost Performance & Energy Independence – Are You Ready to Explore?
Are you searching for a breakthrough solution to optimize your water supply system, reduce operating costs, and cut reliance on traditional grid power? Do you want to turn sunlight into an unlimited energy source to pump water efficiently and sustainably? And what if there were a pump inverter that is not only powerful but also smart, flexible, and capable of solving every water challenge—from farms to remote residential areas?
You’ve probably heard a lot about solar energy and its cost-saving potential. But have you imagined its true power when paired with a dedicated solar pump inverter? Let’s explore the DELIXI Solar Pump Inverter series—a product line designed not just to run pumps but to unlock a new era of water independence, fully harnessing the potential of solar energy.
Overview of DELIXI Solar Pump Inverter Series: Innovation for a Greener Water Supply
DELIXI, a global leader in electrical and automation equipment, has established its reputation with its solar-dedicated pump inverter line. These are not just ordinary controllers—they are advanced engineering solutions, purpose-built to meet the increasingly diverse demands of water pumping, from small to large-scale applications, using clean and free solar power.
The DELIXI pump inverter is designed to convert DC power from solar panels into AC power to drive standard water pumps (centrifugal, submersible, booster, etc.). The core goal: maximize solar utilization for water pumping while reducing or even eliminating dependence on costly, polluting grid or diesel generators.
With models ranging from CDI-SPDG1R5SS2 (1.5kW), CDI-SPDG2R2SS2 (2.2kW), CDI-SPDG4R0SS2 (4kW), up to higher capacities, all share the same design philosophy and core technology—delivering exceptional efficiency and durability.
Why DELIXI Outperforms Other Pump Inverter Solutions
The market offers countless solar pump inverter options. Yet, DELIXI stands out with proprietary technologies and advantages that make it the top choice for solar water projects.
Advanced MPPT (Maximum Power Point Tracking) – Extracting Every Drop of Sunlight
At the heart of every efficient solar pump inverter is MPPT. DELIXI integrates cutting-edge MPPT algorithms with over 99% efficiency. That means:
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Maximum energy harvest: The inverter continuously scans and adjusts to the solar array’s optimal operating point, extracting the highest possible energy—even under fluctuating light.
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Stable performance in any condition: Whether early morning, late afternoon, or cloudy days, DELIXI inverters keep the pumps running, starting with lower light levels than conventional systems.
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Minimal energy waste: Almost no watt from your solar array is wasted—every ray of sunshine is turned into usable pumping power.
Dual Input AC/DC – 24/7 Water Supply Assurance
A breakthrough advantage of DELIXI pump inverters is their seamless dual input capability:
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Solar First: Prioritizes free, clean DC power from solar panels whenever sunlight is available.
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Automatic AC Backup: During nighttime, storms, or when solar output is insufficient, the inverter instantly switches to AC power (grid or generator).
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Uninterrupted operation: This ensures your water supply is continuous—vital for high-value crops and household water needs.
Smart Pump Protection – Extending Lifespan, Minimizing Failures
DELIXI is more than a controller—it’s a guardian for your pump. Built-in protections include:
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Dry-run protection (auto shutdown when water is low)
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Overload, overcurrent, over/undervoltage protection
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Phase-loss protection (3-phase models)
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Short-circuit protection
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Auto Sleep/Wake-up (based on sunlight or water pressure)
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Water-level sensor control for automatic tank management
Durability & Reliability in Harsh Environments
Engineered to global quality standards, DELIXI pump inverters are built to withstand heat, dust, and tough field conditions—ensuring long service life and low maintenance needs.
Applications of DELIXI Solar Pump Inverters
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Agricultural irrigation systems – from small farms to large plantations
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Household & residential water supply – reliable water for off-grid or unstable-grid areas
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Small-scale irrigation projects – effective water management, even in remote areas
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Livestock farms – continuous clean water for animals
The Future of Water & Solar Energy Starts with DELIXI
In a world shifting toward sustainability, the DELIXI solar pump inverter is more than a product—it’s a symbol of innovation. It turns abundant solar energy into reliable water resources: efficient, sustainable, and cost-saving.
Imagine a pumping system with zero electricity bills, no blackout worries, and a positive environmental impact. That’s the future DELIXI brings.
Upgrade your pumping system today with DELIXI Solar Pump Inverter and take the step toward a future of clean, sustainable, and independent water supply.

