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NLR - Grundfos 40 SQF-5 SQFlex Submersible Solar Pump


Out of Stock

SKU: 95027355

The SQFlex family is an environmentally-friendly water supply system. SQFlex pumps are fitted with a permanent magnet motor which enables the efficient use of energy from a wide range of supply options. The pump system offers the perfect water supply solution in remote areas where water is scarce and the power supply is non-existent or unreliable.

Very flexible as to its energy supply and performance, the SQFlex system can be combined and adapted to any need according to the conditions on the installation site. A battery backup system can store the extra energy generated and take over when the primary energy source is not available.

SQFlex is more than just a pump – it's a complete system. Thanks to its built-in electronics, the pump is compatible with both DC and AC power supply without requiring an external inverter.

The complete range consists of eleven different pump sizes: Five helical rotor pumps for applications where a high head is required, and six centrifugal pumps for applications where a greater flow rate is necessary.


Being designed for continuous, as well as intermittent operation, the SQFlex system is especially suitable for water supply applications in remote locations, such as:

  • Villages, schools, hospitals, single-family houses, etc.
  • Farms

        - Watering cattle
        - Irrigation of fields and greenhouses

  • Game parks and game farms

        - Watering applications

  • Conservation areas

        - Surface water pumping
        - Floating pump installations for pumping water from ponds and lakes

Features and benefits

  • Renewable energy supply: solar panels or wind turbines
  • Built-in electronics, easy installation
  • Reliable water supply
  • Low operating costs
  • Dry-running protection
  • Built-in motor protection
  • High Efficiency
  • Maximum Power Point Tracking (MPPT)
  • Wide voltage range
  • Built-in sand shield
Pump Model Pump Type Max Head Max Flow
3 SQF-2 Helical Rotor 395 ft 3 gal/min
3 SQF-3 Helical Rotor 655 ft 3 gal/min
6 SQF-2 Helical Rotor 395 ft 6 gal/min
6 SQF-3 Helical Rotor 820 ft 6 gal/min
11 SQF-2 Helical Rotor 395 ft 13 gal/min
16 SQF-10 Centrifugal 230 ft 22 gal/min
25 SQF-3 Centrifugal 50 ft 40 gal/min
25 SQF-7 Centrifugal 185 ft 40 gal/min
40 SQF-3 Centrifugal 50 ft 70 gal/min
40 SQF-5 Centrifugal 100 ft 70 gal/min
60 SQF-3 Centrifugal 50 ft 80 gal/min

This product is shipped from one of our warehouses in Northern California. Orders placed after 12 p.m. will typically ship the following business day. Click here to see an estimate of our delivery times with standard FedEx Ground shipping.

Returns & Replacements
Regularly stocked, non-special-ordered, and non-custom-built items can be returned for a refund within 30 days of receipt if unused and in original packaging. Returns of solar panels, inverters or other large ticket items will incur a re-stocking fee of up to 30%. Freight shipping is non-refundable.

For more, please read our full return policy.

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