4SP2 Solar DC Water Pump for 2m3/h Flow Rate with Max Head 260m

4 Inch solar water pump for 2m3/h Flow Rate with Max Head 260m


Electronic Components from Top supplier to ensure high quality:

  • DSP come from Texas Instruments
  • Temp.Chip come from Microchip
  • MOS come from IR
  • IGBT come from Fairchild
  • Opt coupler come from Sharp
  • Switch come from Schneider


(Pump Diameter 4″ fully 304 stainless steel body also impeller)


Dayu solar water pump system consists of solar array(+tolerance), water pump(full stainless steel), MPPT + DSP controller (most reliable) and accessories which is easy connection.

4SP2 series Solar DC water pump is an integrated solar  water submersible centrifugal pumping system for small sized applications as drinking water supply, livestock watering, garden watering, desertification control and as so on. It also can reduce operational costs, improve water security.

Dayu Solar Water Pump System Benefits

  • Intelligent controller with Continuous MPPT + DSP
  • High efficient DC brushless motor requires less solar array, Rich social benefits.
  • Maximum output efficiency of 97%
  • Increases PV Array Output by up to 30%
  • Motor Speed adjustable
  • Designed for 4pole and 8pole motor, others for ODM
  • Digital precision constant current control
  • Open window waterproof protection, indicator show easier
  • Hot galvanizing steel cabinet with better corrosion protection
  • OEM & ODM ability by more Than 20 Years In Solar Field
  • 5000 Square Meters Water Pump Factory Area
  • Fast and Simple Installation with Standard Accessories.
  • ISO9001:2008 Production Standard with Imported SMT Equipment.


Best Protections for Solar Water Pump System with 3 Years Warranty

Strict Test Before Delivery

  • PV reverse polarity protection
  • Dry run protection
  • Over load protection
  • Overheating protection
  • Current limiting protection
  • Power limiting protection
  • Less phase of electric motor
  • Short-circuit protection


Solar Water Pump System Packing Details


Dayu Solar Water Pump System Projects




NoWater Pump







( V )

Solar Panel(Kwp)Flow rate(m3/h) / Head (m)

(Best Efficient Use Range)

Outlet Diameter

(mm / inch)

Pump Length


14SP2-9A0.37480.78(4pcs 195Wp)1.5 /402 /383 /2532 / 1.25371
24SP2-13A0.551101.225(5pcs 245Wp)1.5 /602 /563 /36455
34SP2-18A0.751101.56(8pcs 195Wp)1.5 /852 /773 /50560
44SP2-23A1.12202.205(9pcs 245Wp)1.5 /1072 /983 /66665
54SP2-28A1.52203.12(16pcs 195Wp)1.5 /1302 /1183 /78770
64SP2-33A1.52203.12(16pcs 195Wp)1.5 /1522 /1393 /93875
74SP2-40A2.22204.41(18pcs 245Wp)1.5 /1852 /1693 /1131022
84SP2-48A2.22204.41(18pcs 245Wp)1.5 /2232 /2033 /1341190


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