DELIXI Solar Pump Inverter – Three-Phase, 4 kW

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Product Code: CDI-SPDG4R0T4
Input: 380V, Three-Phase, 50/60Hz
Output: 380V, Three-Phase, 0–320Hz
Rated Current: 9.5A
PV Voltage: 300–750V
Dimensions: 105 × 165 × 161.4 mm

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DELIXI Solar Pump Inverter: Elevate Efficiency & Energy Independence – Are You Ready to Explore?

Are you looking for a breakthrough solution to optimize your water pumping system, reduce operating costs, and decrease reliance on traditional grid electricity? Do you want to turn sunlight into an unlimited energy source for efficient, sustainable water pumping? What if there was a solar pump inverter that was not only powerful but also smart and flexible—capable of handling any water challenge, from farms to off-grid residential areas?

You’ve probably heard about solar energy and its cost-saving potential. But have you envisioned the true potential of this technology when combined with a dedicated pump inverter? Introducing the DELIXI Solar Pump Inverter Series—designed not only to operate pumps but also to unlock a new era of water autonomy, maximizing the benefits of solar energy.


Overview of the DELIXI Solar Pump Inverter Series: Innovation for Sustainable Water

DELIXI, a leading global brand in electrical equipment and automation, has established its reputation with a dedicated line of solar pump inverters. These are not ordinary controllers; they are high-tech solutions engineered specifically to meet the increasingly diverse and complex water pumping needs—from small-scale to large-scale systems—using clean, free solar energy.

DELIXI solar pump inverters convert DC power from solar panels into AC power suitable for standard water pumps (centrifugal pumps, submersible pumps, booster pumps, etc.). Their core objective is to maximize solar energy utilization for water pumping while minimizing—or even eliminating—reliance on grid electricity or costly, polluting diesel generators.

Products in the DELIXI pump inverter line, such as CDI-SPDG1R5SS2 (1.5 kW), CDI-SPDG2R2SS2 (2.2 kW), CDI-SPDG4R0SS2 (4 kW), and other models with varying capacities, share the same design philosophy and core technology, delivering superior efficiency and long-lasting durability.


Why DELIXI Pump Inverters Outperform Other Solutions

While the market offers numerous pump inverters, DELIXI stands out thanks to proprietary technologies that make them the top choice for solar water pumping projects.

Advanced MPPT Technology – Maximum Efficiency from Solar Energy

At the heart of every efficient solar pump inverter is MPPT (Maximum Power Point Tracking). DELIXI integrates highly advanced MPPT algorithms with over 99% efficiency, which means:

  • Maximum energy harvesting: The inverter continuously scans and adjusts the optimal operating point of your solar panels, ensuring the highest possible energy extraction, even under varying sunlight conditions. This surpasses simpler MPPT solutions that often leave energy untapped.

  • Stable operation in all conditions: Early morning, late afternoon, or cloudy days—DELIXI pump inverters can start pumps at much lower light levels than conventional systems, extending daily pumping hours.

  • Minimal energy wastage: Almost no watt from your solar array is wasted, turning every ray of sunlight into useful pumping power.

Automatic Dual AC/DC Input – 24/7 Water Security

A standout feature of DELIXI pump inverters is their ability to operate flexibly with both DC (from solar panels) and AC (from the grid or generator). This ensures energy security that DC-only inverters cannot provide:

  • Solar-first priority: When sunlight is sufficient, the inverter uses clean, free DC power from the panels, minimizing electricity costs.

  • Seamless automatic switching: At night, during storms, or when solar output is insufficient, the inverter quickly switches to AC if available, ensuring uninterrupted water supply—critical for high-value crops or off-grid households.

  • Optimal backup solution: No more worries about nighttime or cloudy days; the inverter provides peace of mind and reduces generator operating costs.

Smart Pump Protection Features – Prolong Life & Reduce Failures

DELIXI inverters act as a “protector” for your pumps, offering advanced protection features that extend pump life and reduce maintenance costs:

  • Dry Run Protection: Automatically stops the pump if water levels drop too low, preventing damage from running dry or overheating.

  • Overload, overcurrent, over/under voltage protection: Keeps pumps operating safely within limits, preventing damage from voltage or pressure fluctuations.

  • Phase loss protection (3-phase models): Prevents pump damage if one phase is lost.

  • Short-circuit protection: Automatically shuts down to protect both inverter and pump.

  • Sleep/Wake-up Function: Pumps enter “sleep” mode in low-light conditions or when desired pressure is reached, then automatically restart when solar energy or water demand returns, optimizing energy use without manual intervention.

  • Water level control via sensor: Some models connect to water level sensors for automated water maintenance.


Durability & Stable Operation in Harsh Environments

DELIXI is a globally trusted brand, and their inverters are built to perform reliably under harsh conditions (heat, dust) typical for pumping systems, ensuring long equipment life and minimal maintenance.


Compatible Solar Systems

The DELIXI CDI-SPDG pump inverter series (e.g., CDI-SPDG1R5SS2, CDI-SPDG2R2SS2, etc.) is highly versatile, suitable for:

  • Agricultural irrigation: From small farms to large plantations, providing reliable water supply without grid dependency.

  • Residential/off-grid water supply: Ensures clean, continuous water for homes or communities without stable grid access.

  • Small-scale water management projects: Efficiently manages water in locations where pumps or electricity need mobility.

  • Livestock farming: Provides clean water for animals, improving farming conditions.


The Future of Water & Solar Energy: Start with DELIXI Pump Inverters

In a world moving toward sustainable solutions, DELIXI solar pump inverters are more than products—they are symbols of innovation. They turn abundant solar energy into valuable water efficiently, sustainably, and cost-effectively.

Imagine a water system where you no longer pay monthly electricity bills, never worry about power outages, and contribute positively to the environment. That is the future DELIXI pump inverters bring.

Don’t let outdated pumping methods drain your budget and reduce performance. Upgrade your water system today with DELIXI Solar Pump Inverters and start your journey toward clean, sustainable, and energy-independent water solutions.


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