750W 72V DC Solar Water Pump

72 volt solar water pump with special DC controller has maximum head 56~95m (180~310ft), maximum flow 925~1585 gallons per hour, single-suction plastic/stainless steel impeller, 3 inch/4 inch inlet diameter and 1.25 inch outlet diameter. 1 hp solar deep well pump can be used for tank, pool, fountain or water feature.
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750W (1 hp) solar water pump with DC controller, 72V working voltage, 925~1585 gph max. flow, 56~95m max. head.


Basics SKU ATO-SWP-72V750
Shipping weight 15kg
Cable length 2m
Package included 1 * Solar water pump
1 * DC controller
1 * Stainless steel float switch (water level sensor for the tank)
1 * Pump outlet joint connector
1 * Splice kit for cable join
1 * Splice kit for waterproof
1 * User manual
Warranty 2 years
Solar water pump features Power 750W (1 hp)
Voltage 72V DC
Max. flow * 3.5m3/h (925 gph, American system) 4.8m3/h (1268 gph, American system) 6.0m3/h (1585 gph, American system) 5.0m3/h (1321 gph, American system)
Max. head * 95m (310ft) 95m (310ft) 56m (180ft) 67m (210ft)
Length 70cm 70cm 50cm 50cm
Inlet diameter 3 inch 3 inch 4 inch 4 inch
Outlet diameter 1.25 inch 1.25 inch 1.25 inch 1.25 inch
Structure Single-suction plastic impeller Single-suction stainless steel impeller Single-suction plastic impeller Single-suction stainless steel impeller
Material of outlet/connector/oil cylinder Brass Stainless steel Brass Stainless steel or brass
Model 3DPC3.5-95-72-750 3DSC4.8-95-72-750 4DPC6-56-72-750 4DSC5-67-72-750
Internal motor Brushless DC motor
Speed 4000rpm
Material of shaft 304 stainless steel
No water protection function The water pump stops working automatically when there is no water in the well, and it will automatically restart working 30 minutes later.
Required open circuit voltage (VOC) of solar panel <150V DC
Required power of solar panel ≥1.3*pump power
Efficiency 45%
Controller features Model DF-72
Best MPPT voltage range 90-120V DC
Max. input current 15A
Working temperature -15~+60℃ (5~140℉)
Display LED display can show power, voltage, current and speed value.
Functions Automatic charging (for battery)
Variable frequency
Automatic power ON/OFF
Soft start
High voltage/low voltage/over-current/high temperature protection
Protection class IP65

750W 72V DC solar water pump performance curves:
Max. Flow: 3.5m3/h, Max. Head: 95m, Model: 3DPC3.5-95-72-750
750W 72V DC 3 inch solar water pump high head performance curves
Max. Flow: 4.8m3/h, Max. Head: 95m, Model: 3DSC4.8-95-72-750
1 hp 72V DC 3 inch solar water pump performance curves
Max. Flow: 6.0m3/h, Max. Head: 56m, Model: 4DPC6-56-72-750
1 hp 72V DC 4 inch solar water pump performance curves
Max. Flow: 5.0m3/h, Max. Head: 67m, Model: 4DSC5-67-72-750
1 hp 72V DC 4 inch solar water pump high head performance curves
Solar water pump installation drawing:
1 hp 72V DC solar water pump installation drawing
Solar water pump wiring diagram:
1 hp 72V DC solar water pump wiring diagram

Tips: How to design a solar water pumping system?
Many people think that designing a solar water pumping system is a very difficult thing, but actually it is not the case. In fact, as long as you have a little bit of physics related knowledge, you can design a solar water pump system. Below, there are some suggestions for design.

First, the solar water pumping system include: solar water pump, solar pump inverter and solar panels.
Solar panels convert light and heat into electricity. The solar pump inverter drives the solar water pump keep pumping. And the inverter can also continuously adjust the output voltage, and convert the unstable voltage into a stable voltage through a comprehensive protection device.

Then how to design a suitable solar pumping system?

  1. Refer to the flow and head requirements
    The flow refers to the amount of water you need per hour or day. The head is the height of the water pumped away from the well. So select the right pump for your flow and head needs.
  2. Choosing the right solar pump inverter
    For ATO solar water pump, the DC controller (inverter) is matched. For other solar pump, the selection is based on the various parameters of the pump. Pump parameters include: AC or DC, single phase or three phase, boost, pump power, indoor use, outdoor use, or underground use and other parameters. After confirmation, select an appropriate solar pump inverter.  
  3. Choosing the right solar panel
    According to the power of the pump and the strength of the sun, choose the right solar panel. Usually, we choose the power of the panel, which is 1.5 times of the pump power. If want higher output voltage, increase the solar panels as appropriate.
Products specifications
Attribute name Attribute value
User Manual

PDF Solar Water Pump External DC Cotroller User Manual

Existing reviews
Best 72v pump
I purchased this pump for my ranch. Found a old well that's 300ft deep so I placed the pump at 220ft and ran a 11/4" plastic pipe 3/10ths of a mile away feeding a pond and still get 20gals a minute. Using a 3000watt generator and have ran it non stop for 3 days and very satisfied with the pump.
Jane Wu | 5/7/2022 3:00 AM
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750W72V DC water pump inverter is a good product
Well made and looks very delicate. I will order repeatedly for family and friends to use. We are all very satisfied with this 750W 72V solar water pump.
Polito Polito | 3/28/2021 11:44 PM
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