SP3 220V Three Phase Solar Pump Inverter
A commercial 220V three phase solar pump inverter for farms, resorts, residential complexes, and light industrial water systems that already use 220V three-phase pump motors.
Direct 220V Three-Phase Control
Designed for 220V three-phase input and 220V three-phase pump output, with no phase conversion step required.
Extended Power Range (0.75-30kW)
Covers small commercial wells, farm irrigation, hotels, resorts, and large residential water systems.
Stable Output (+/-0.5Hz)
Helps keep pump flow consistent and reduces motor stress during long daily operating hours.
Ultra-Wide MPPT Range (170-800V)
Supports flexible solar array design and improves solar energy use across morning, noon, cloud, and heat conditions.
Warranty
3 Years
PV Range
170-800V
Support
Free Sizing
5,000+
Systems Installed
23+
Countries Served
99.5%
System Uptime
15+
Years Experience
50,000+
Units Supplied
ISO
Certified Production
Quick Decision
Choose SP3 when the project uses a 220V three-phase pump and needs commercial-duty solar control
SP3 is the 220V three-phase path in the SolarSeeker SP series. It is different from SP1 single-phase output, SP2 phase conversion, and SP4 380V industrial systems.
220V Three-Phase Pump
Use SP3 when both the inverter output and pump motor are 220V three-phase.
Commercial Daily Operation
Built for longer operating hours than small residential pump controllers.
Farms, Resorts & Complexes
Fits irrigation, water supply, landscaping, and commercial pumping systems.
Not for 380V Pumps
For 380V three-phase pumps, choose SP4.
Installation Video
1-Minute Installation Demo
Watch how to connect the SP series inverter. SP3 projects require correct 220V three-phase pump wiring and nameplate confirmation.
Installation Steps Overview
- Step 1:Connect solar panel DC input (170-800V)
- Step 2:Connect 220V three-phase AC grid input (optional)
- Step 3:Connect the 220V three-phase pump motor output
- Step 4:Power on and confirm rotation, current, head, and flow.
Pro tip: no programming is needed for many standard projects, but SolarSeeker should confirm motor voltage, phase, and rated current before shipment.
Why Three Phase
Why 220V three-phase matters for commercial water systems
SP3 gives B2B buyers a stronger path when the project already uses three-phase pump motors and needs stable solar pumping.
Higher Efficiency
Three-phase motors are typically more efficient than single-phase equivalents at the same power rating, especially in commercial daily operation.
Longer Motor Life
Smoother three-phase power delivery can reduce mechanical stress and support longer service life when the pump is correctly sized.
Stable Flow
Consistent torque delivery helps keep water flow stable for irrigation, building water supply, and commercial water circulation.
Ideal commercial applications for SP3
Small Commercial Farms
Irrigation for orchards, vegetable farms, greenhouses, and medium-size crop plots.
Residential Complexes
Water supply for apartments, communities, schools, and facility buildings.
Light Manufacturing
Process water, circulation pumps, and workshop water supply where 220V three-phase pumps are used.
Hotels & Resorts
Landscaping, guest facility water supply, pools, and irrigation systems.
Technical Parameters
SP3 commercial-grade technical specifications
Core parameters for 220V three-phase pump systems. Use the pump nameplate to confirm final selection.
| Input Voltage (AC Grid) | 220V Three-Phase (180-280V tolerance) |
| Input Voltage (Solar DC) | 170-800V DC |
| Output Voltage | 220V Three-Phase |
| MPPT Range | 170-800V (99% efficiency) |
| Frequency Stability | +/-0.5Hz (4x better than competitors) |
| Motor Power Range | 0.75-30kW (1-40HP) |
| Protection Features | Dry run, overvoltage, overcurrent, thermal, phase loss, phase sequence |
| Protection Rating | IP20 (IP54 optional for outdoor cabinet) |
| Operating Temperature | -20C to +60C (commercial grade) |
| Communication | RS485, LCD display, remote monitoring |
| Certifications | CE, ISO9001, IP20 |
| Warranty | 3 Years Standard (5 Years Extended Available) |
Model Selection
SP3 model selection guide
Choose the right SP3 model for your 220V three-phase commercial pump application.
| Model | Motor Power | Input Current | Output Current | Solar Panel | Typical Application |
|---|---|---|---|---|---|
| SP3-0.75 | 1HP (0.75kW) | 2.0A | 1.8A | 1.5kW | Small commercial well |
| SP3-1.5 | 2HP (1.5kW) | 3.8A | 3.6A | 3.0kW | Small farm irrigation |
| SP3-2.2 | 3HP (2.2kW) | 5.5A | 5.2A | 4.4kW | Medium commercial |
| SP3-4.0 | 5HP (4.0kW) | 9.5A | 9.0A | 8.0kW | Large commercial irrigation |
| SP3-7.5 | 10HP (7.5kW) | 18.0A | 17.0A | 15.0kW | Industrial/large facility |
| SP3-15 | 20HP (15kW) | 36.0A | 34.0A | 30.0kW | Large commercial complex |
Sizing Recommendation
Recommended solar panel wattage = motor power x 2.0 for three-phase commercial systems. Example: for a 4.0kW motor, use an 8.0kW solar array. Add safety margin for high head, long cable distance, or year-round output targets.
Quick Inquiry
Get an SP3 model recommendation in 1 working day
Send the pump nameplate and project conditions. SolarSeeker checks whether SP3 fits or whether SP1, SP2, or SP4 is safer.
Useful for distributors, pump dealers, EPC contractors, and commercial irrigation buyers.
Selection Matrix
Which SolarSeeker controller is right for you?
Compare SP1, SP2, and SP3 before sending the pump nameplate.
| Feature | SP1 | SP2 | SP3 |
|---|---|---|---|
| Input Type | 220V Single-Phase | 220V Single-Phase | 220V Three-Phase |
| Output Type | Single-Phase | Three-Phase | Three-Phase |
| Power Range | 0.75-7.5kW | 0.75-3kW | 0.75-30kW |
| Target User | Residential | Phase conversion scenario | Commercial |
| Phase Converter | No | Yes, built in | Not needed |
| Best For | Home wells | 3-phase pump + single-phase power | Businesses with 220V three-phase pumps |
Before Quotation
What information should you send for SP3 sizing?
For commercial systems, model selection depends on more than pump kW. Send the nameplate and working conditions so SolarSeeker can confirm current, panel sizing, and cabinet needs.
Pump voltage & phase
Confirm the motor is 220V three-phase.
Rated current
Match output current and protection margin.
Head & flow
Check whether the pump curve fits the system.
Outdoor conditions
Decide whether a cabinet or IP54 option is needed.
Fast selection path
- 1Send a pump nameplate photo, head, flow, and country.
- 2SolarSeeker checks model, PV array size, and protection requirements.
- 3You receive the SP3 model, solar array suggestion, and wiring notes.
Related Products
Compare SP3 with the correct SolarSeeker product path
SP1 220V Single Phase
For 220V single-phase pump systems and residential wells.
Compare SP1
SP2 Phase Converter
For three-phase pumps on sites with only 220V single-phase input.
Compare SP2
SP4 380V Three Phase
For 380V industrial pumps and higher-power irrigation systems.
Compare SP4
Solar Pump Cabinet
For outdoor protection, wiring integration, and OEM project builds.
Cabinet optionsFAQ
SP3 220V three phase solar pump inverter FAQ
What is SP3 used for?
SP3 is used for 220V three-phase pump systems that need solar pumping control. It fits commercial irrigation, water supply, resorts, residential complexes, and light industrial water systems.
Is SP3 different from SP2?
Yes. SP2 is for single-phase input to three-phase output. SP3 is for 220V three-phase pump systems where phase conversion is not needed.
Can SP3 run a 380V three-phase pump?
No. SP3 is a 220V three-phase solar pump inverter. For 380V three-phase pumps, use SP4 380V three phase solar pump inverter.
What SP3 model should I choose for a 4.0kW pump?
For a 4.0kW or 5HP 220V three-phase pump, choose SP3-4.0. A typical solar array is around 8.0kW, with extra margin depending on local sunlight, head, flow, and working hours.
Does SP3 need a solar pump cabinet?
SP3 has IP20 protection by default, so indoor or protected installation is recommended. For outdoor, dusty, humid, or coastal sites, use a solar pump cabinet or IP54 option.
What information should I send for an SP3 quotation?
Send a pump nameplate photo, rated power, voltage, phase, rated current, total head, required flow, cable distance, solar panel plan, and project country. This lets SolarSeeker confirm the correct SP3 model.
Next Step
Ready to size your SP3 commercial solar pump system?
Send the pump nameplate and site conditions. SolarSeeker confirms the SP3 model, PV array size, wiring path, and whether another SP series model fits better.