SP1 220V Single Phase Solar Pump Inverter for Small Wells and Farms
SP1 is a 220V single phase solar pump inverter for small wells, farm irrigation, livestock water, and dealer-ready pump kits. It is built for installers who need fast setup, fewer parameters, and stable pumping when sunlight changes during the day.
Choose Your SP1 Model
SP1 covers 0.4kW to 5.5kW 220V single phase pumps
Match the inverter to the pump nameplate first. If the pump runs for long hours, the well is deep, or the site is hot, send the nameplate to SolarSeeker before shipment so our engineer can confirm the safe model.
| Model | Pump Power | Input AC | Output AC | Suggested PV Power | Typical Use |
|---|---|---|---|---|---|
| SP10R7 | 0.4kW | 12A | 8A | 2.7kW | Small garden, fountain |
| SP11R5 | 0.7kW | 16A | 10A | 2.7kW | Residential well pump |
| SP1002 | 1.5kW | 24A | 14A | 3.0kW | Home water supply |
| SP1004 | 2.2kW | 30A | 18A | 4.4kW | Large home, small farm |
| SP1005 | 4.0kW | 37A | 25A | 8.0kW | Farm irrigation |
| SP1007 | 5.5kW | 48A | 32A | 11.0kW | Large single phase irrigation pump |
30-Second First Check
Use the quick SP1 sizing calculator before you send the pump nameplate
This calculator gives a first recommendation from pump power and panel wattage. Final selection should still be confirmed with pump current, head, flow, cable distance, and project country.
Recommended System
Select pump power and panel wattage, then calculate a first SP1 model recommendation.
Why SP1 Is Easier to Use
Less parameter work for small pump installers
Small solar pumping projects often fail because the drive is too complicated for the site. SP1 keeps the operation interface simple, reducing the number of complex parameters that installers need to touch during normal commissioning.
Simplified setup
For common 220V single phase pumps, the installer can focus on pump nameplate matching, wiring, and water source checks instead of working through long parameter menus.
Start waiting function
SP1 waits until solar energy is enough before starting the pump. This helps reduce repeated morning start-stop cycles when sunlight is still weak.
50 deg C operation
SP1 is designed for hot field sites, pump rooms, and dry-season irrigation areas where ambient temperature can be higher than a normal indoor installation.

Small Pump Applications
Where SP1 fits best
SP1 is the practical choice when the project uses a 220V single phase pump and the buyer wants a simple solar water pumping system without batteries. It is especially suitable for distributors who need a repeatable model for common small pump projects.
Residential and village wells
Use SP1 for small well water supply where daytime pumping fills a tank for later use.
Small farm irrigation
Match SP1 with 220V single phase irrigation pumps for vegetable plots, orchards, and livestock water.
Dealer-ready pump kits
SP1 can be packaged with panels, pump, cables, and protection parts for local pump dealers.
Before You Order
When SP1 is the right choice, and when it is not
The fastest way to avoid wrong selection is to confirm the pump phase, voltage, and power first. SP1 is for 220V single phase pumps. Other SP models cover three phase and higher-power projects.
Choose SP1 when
- The pump nameplate says 220V single phase.
- The project is a small well, farm, garden, or livestock water system.
- The installer needs a simple solar pump inverter with fewer settings.
- The buyer wants daytime direct solar pumping without batteries.
Technical Checklist
SP1 functions that matter in the field
SP1 includes the common solar pump inverter functions buyers expect, but the product page should focus on the things that reduce field risk: correct pump matching, stable startup, heat tolerance, and simple support.
MPPT solar pumping
Tracks solar input and adjusts pump operation as sunlight changes.
Pump protection
Includes over-current, over-voltage, dry-run, and over-temperature protection.
Weak-sun startup logic
Start waiting helps avoid repeated starts when PV power is not yet enough.
Installer support
SolarSeeker can check the pump nameplate and PV array before order confirmation.
Selection Data
What to send for an SP1 recommendation
A pump nameplate photo is the best start. If you also send the site data below, SolarSeeker can confirm the SP1 model, PV array suggestion, and quotation checklist more quickly.
Pump nameplate
kW or HP, rated current, voltage, phase, frequency.
Water requirement
Total head, flow, well depth, tank height.
PV array plan
Panel wattage, quantity, string plan if available.
Installation site
Country, ambient temperature, enclosure or cabinet plan.
Related SP Models
Explore the complete SolarSeeker SP series
If SP1 is not the right match, use the product path below. This keeps 220V single phase, 220V three phase, 380V three phase, custom controller, and IP55 controller projects separated from the first inquiry.
SP2 Phase Conversion
Single phase to three phase solar pump inverter for retrofit pump sites.
SP3 220V Three Phase
For 220V three phase irrigation pumps and dealer pump packages.
SP4 380V Three Phase
For larger 380V three phase wells, irrigation, and water transfer projects.
SP6 IP55 Pump Controller
IP55 pump controller for practical pump protection and field installation.
FAQ
SP1 220V single phase solar pump inverter FAQ
Can SP1 run a three phase pump?
No. SP1 is for 220V single phase pumps. If the pump is three phase, choose SP2 for phase conversion or SP3 for a 220V three phase solar pump inverter.
What size SP1 model do I need for a 2.2kW pump?
For a normal 2.2kW 220V single phase pump, SP1004 is the first model to check. If the rated current is high, the cable is long, or the pump starts under heavy load, send the nameplate so SolarSeeker can confirm whether a larger model is safer.
Does SP1 start when sunlight is weak?
SP1 includes a start waiting function. Instead of repeatedly trying to start when solar energy is too low, it waits until there is enough input power, which helps reduce stress on the pump and inverter.
Is SP1 suitable for outdoor installation?
SP1 can be used in field pumping projects, but the final enclosure should match the site. For rain, dust, direct sun, or unattended outdoor use, SolarSeeker can recommend a cabinet or a protected installation method.
What information should I send for model selection?
Send a pump nameplate photo, total head, required flow, well depth, cable distance, solar panel wattage, project country, and whether the inverter will be installed indoors, in a cabinet, or outdoors.
Before Quotation
Send These Details Before Quotation
SP1 is selected from a real 220V single phase pump nameplate. A photo is better than a typed model number because it shows voltage, current and frequency together.
Check whether SP1 fits the pump before ordering
Reduce wrong selection for small wells and farm kits
Help dealers prepare repeatable 220V single phase packages
SP1 pump nameplate
Send a clear photo showing 220V single phase, kW or HP, rated current and frequency.
Well or water source
Share well depth, water level, tank height, pipe distance, flow target and daily water demand.
Panel data
Panel wattage, Voc, Vmp and quantity help us check SP1 DC input and MPPT matching.
Kit or inverter only
Tell us if you need only SP1, or also pump, panels, sensors, cables and accessories.
Field environment
Small wells can still face rain, dust, heat and humidity. Tell us where the inverter will be installed.
Dealer or project order
Sample, retail package, distributor stock or farm project orders need different quotation details.
Simple message format: SP1 pump nameplate + well depth + flow target + panel data + kit scope + quantity. If some data is missing, send what you have first and SolarSeeker can help check the rest.
Ready to check your SP1 solar pump project?
Send the pump nameplate and basic site information. SolarSeeker will help confirm the SP1 model, PV array suggestion, and quotation details before you commit.