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SR-12 Helical Rotor Solar Pump

SR-12 Helical Rotor Solar Pump


The SR-12 is the largest of the SunRotor Helical Rotor Pumps. It produces a substantually higher volume in the lower lift areas and is cable of handling depths of up to 350 ft. with the proper panel configurations.

This pump can and must be used with SRC-M200T Solar Pump Controller. Attempting to run our pumps from any other controller can result in pump failure and void the warranty on the pump.

• Nominal 72 volt operation
• Usable voltage range 72-110 volts
• Power range 570 watts to 1740 watts
• Solar, battery or a combination
• Maximum functional lift capability of 350 ft (107 m)
• Max flow at 100 ft (30 m) is 12 gallons/min (45.42 liters/ min)
• Highly reliable, single moving part progressive cavity technology
• Readily repairable in the field
• 1 inch FNPT output
• Designed for submersible operation up to 100 ft
• 4" diameter (102 mm) fits 4.5" (114 mm) casing
• Light weight - 23 pounds (10.4 kg)
• Submersion limit of 100 ft below static water level (ex: 100 ft submersion + 50 ft static water level: 150 ft)
• Brushless DC motor technology avoids conventional DC brush maintenance and replacement
• All electronics are mounted above ground for longer life and easy access
• Entire pump body is stainless steel to comply with all local code and pump installation requirements
• CE certified
• ISO 9001

SunRotor Submersible Pump Diagram

  1. PV Panel Array
  2. Solar Module Mounting Rack
  3. Water Pipe
  4. Well Seal Assembly
  5. Low Water Sensor
  6. Submersible Pump
  7. Conduit and Wiring Harness from Controller to Well Seal
  8. Wiring Harness from Controller to Solar Modules
  9. DC Input Controller
  10. Tank Full Tethered Float Switch and Weight
  11. Anti-freeze Bleeder Valve
  12. Check Valve

If you need assistance in sizing a solar power system, you can download our solar power pumping system sizing guide, click here to request a quote, or contact us at 1-866-246-7652 and let one of our sales representatives design a custom system to meet your water pumping needs.