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Solar Water Pumping System

Solar Pumping Inverter with AC and Solar Priority 750W to 22KW

Solar Pumping Inverter 0.75KW-22KW Hybrid AC with Solar Priority Support Multi-link Function Max DC Volt: 450V/850V IP65

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Red solar power inverter with digital display and multiple bottom ports on a white background
Red and black solar inverter with digital display and bottom connection portsCollage showing solar energy equipment installed on a building and two people working outdoors.Digital rendering of two solar panels standing vertically against a white background.
Product Overview

What This Product Is

A solar pumping inverter from 750W to 22KW designed for outdoor installation without a separate control box. It integrates Hybrid AC Power, Solar Priority, Remote Monitoring, Multi-pump Linkage, Low-input Voltage and other functions. The system operates with submersible, surface or swimming pool pumps using induction motors. It features a patented dynamic VI MPPT algorithm with 99% efficiency, full automatic operation, IP65 protection, and supports soft start and full motor protection. The inverter can be wired directly and requires minimal maintenance.

Key Benefits

What You Get

  • Operates with solar power as priority, automatically switching to AC when solar is insufficient
  • Patented dynamic VI MPPT algorithm with 99% efficiency for maximum power harvest
  • IP65 protection grade for reliable operation in harsh outdoor environments
  • Supports multi-pump linkage to expand flow and lift capacity without increasing PV module count
  • Built-in boost circuits for low power models and wide input voltage range
  • LCD display with user-friendly interface and rich operational information
Who It Is For

Buyers and Sites

  • Solar installers deploying off-grid water pumping systems
  • EPC contractors managing irrigation or water supply projects
  • Farmers and agricultural cooperatives in unstable-grid regions
  • Water utility operators in remote or island communities
  • Project importers sourcing complete solar pumping kits
Application Scenarios

Where It Is Installed

  • Agricultural irrigation in remote farmland with no grid access
  • Water supply for pastures and animal husbandry in dry regions
  • Desert control projects requiring continuous pumping over long hours
  • Island water supply systems relying solely on solar energy
  • Wastewater treatment plants using solar power for pump operation
Problems It Solves

What This Removes From the Job

Technical Features

How It Is Built

  • Hybrid AC and solar power input with solar priority function
  • Patented dynamic VI MPPT algorithm with 99% efficiency
  • Supports soft start of induction motor pumps
  • Full motor protection including overcurrent, overvoltage, short circuit
  • Optional water level switch to prevent dry running and overflow
  • Built-in boost circuit for low power models
  • Wide input voltage range compatible with various solar panel configurations
Specifications

Technical Data

Values below are taken from the product documentation. Anything not listed is confirmed against your order.

Power Range750W to 22KW
MPPT Efficiency99%
Maximum DC Voltage450V or 850V
Protection GradeIP65
Input Voltage RangeWide, compatible with various solar panel configurations
Output TypeAC, compatible with induction motor pumps
Control FunctionsSolar priority, timing, pressure, liquid level, multi-pump linkage
Data Storage8 years of operation data
DisplayLCD with user-friendly interface
Optional FeaturesWireless communication module, water level switch, installment encryption
Configuration

What Is in the Shipment

The packing list follows this table item by item.

ModelWS-SG3WS-LG3WS-HG3
Power Range0.75-3.7 kW0.75-5.5 kW2.2-22 kW
Adapting Pump Motor1PH 220-240V 50Hz 0.37-2.2 kW3PH 220-240V 50Hz 0.37-4 kW3PH 380-440V 50Hz 3.7-45 kW
AC Input Voltage1PH 220V(-10%) ~ 240V(+10%)1PH(≤3.7kW) / 3PH(5.5kW) 220V(-10%) ~ 240V(+10%)3PH 380V(-10%) ~ 440V(+10%)
Max. DC Input Voltage450V450V450V / 850V
Recommended MPP Voltage150-360V(≤2.2kW) 310-360V(≥3.7kW)150-360V(≤2.2kW) 280-360V(≥3.7kW)150-360V(≤2.2kW) 500-700V(≥3.7kW)
Rated Conversion Efficiency≥97%≥97%≥98%
MPPT Efficiency99%
Ambient Temperature-20~60℃
DisplayLCD
Protection GradeIP65
Materials

What It Is Made Of

  • High standard electronic components for long-term reliability
  • Aluminium or galvanised steel enclosure for outdoor durability
  • IP65 sealed housing with gaskets and fasteners for dust and water resistance
  • Thickened PCB with heat dissipation design for high-temperature operation
  • Robust connectors and terminals rated for outdoor use
Manufacturing and Preparation

Before It Ships

  • Review pump load and solar availability to select the correct inverter size
  • Verify solar panel configuration matches the inverter's input voltage range
  • Install the inverter outdoors with proper grounding and cable routing
  • Connect the pump motor to the inverter output using standard AC wiring
  • Wire solar panels to the MPPT input terminals with appropriate fuses
  • Configure solar priority, timing, pressure or level control settings via LCD
Quality Control

Checked Before Packing

Customisation

What Can Be Changed at Order Stage

  • Power rating selected between 750W and 22KW based on pump demand
  • Input voltage option set to 450V or 850V depending on solar array configuration
  • Solar priority or AC priority mode selected during configuration
  • Multi-pump linkage enabled for systems requiring multiple pumps
  • Optional water level switch or pressure sensor added for protection
  • Wireless communication module added for remote monitoring
Comparison

How It Compares With the Alternatives

Standard solar inverter with no AC inputCan use AC power when solar is low, ensuring continuous operation without battery storage
Grid-tie inverter for water pumpsWorks without grid connection, but requires solar priority and AC backup for 24-hour operation
Basic MPPT charge controller with pump relayIntegrated protection, soft start and multi-pump control not available in basic units
Battery-based solar pumping systemNo need for batteries or energy storage, reduces system cost and maintenance
Use Guide

Getting It Working on Site

1

Size the inverter to match the pump’s rated power and starting current

2

Ensure solar panel array voltage falls within the inverter’s input range

3

Install the inverter in a shaded, ventilated outdoor location with proper grounding

4

Connect the pump motor using standard AC wiring and verify phase sequence

5

Wire solar panels to the MPPT input with appropriate fuses and overvoltage protection

6

Set solar priority mode and configure timing or level control via LCD

Go Deeper

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FAQ

Questions About the Solar Pumping Inverter with AC and Solar Priority 750W to 22KW

What pump types are compatible with this inverter?

It supports submersible pumps, surface pumps, and swimming pool pumps using induction motors.

Can the inverter work without a grid connection?

Yes. It operates on solar power alone and switches to AC when solar is insufficient, making it suitable for off-grid applications.

Does the inverter support multiple pumps?

Yes. The multi-pump linkage function allows multiple pumps to be controlled together, improving efficiency and reducing PV module requirements.

Is remote monitoring available?

Yes. An optional built-in wireless communication module enables remote monitoring of system status and performance.

What protection features does the inverter have?

It includes full motor protection, overcurrent, overvoltage, short circuit, dry running and overflow protection via optional water level switch.

What is the operating temperature range?

The inverter operates in ambient temperatures from -20℃ to +60℃ with humidity up to 95%.

How is the inverter protected against dust and water?

It has an IP65 protection grade, meaning it is dust-tight and protected against water jets from any direction.

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