Grundfos 6 SQF-3 SQFlex Submersible Solar Pump

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Item Number: 96834840

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Grundfos 6 SQF-3 SQFlex Solar Pump

It's used for livestock watering, a pressure system on a remote cabin, or for irrigation, the SQFlex system can be tailored to meet any requirements. Based on the location, depth to water, and the volume of water required, Grundfos' exclusive sizing program finds the best pump and most efficient energy source for your application. The SQFlex system from Grundfos is not just another solar pump; it's a revolution in remote water supply. Designed for maximum reliability, maintenance-free operation, and the flexibility to adapt to virtually any application, SQFlex provides water wherever necessary and whatever the local conditions. Eleven different pump models cover a wide range of heads and flows to allow pumping at extended depths (820 ft).

Live stock watering
Remote Homes
National/State Parks
Remote Camps
In locations where power is scarce and water is a necessity.
Features of the Grundfos 6 SQF-3 SQFlex Solar Pump:

Dry-Running Protection: This unique feature shuts down the pump if it detects water shortage. Every SQFlex pump comes standard with this sensor pre-installed, protecting the well from being over-pumped and the pump from damage.
Helical Rotor Pump (3"): Designed to pump high levels very efficiently, these models allow pumping levels as deep as 820 ft.
Motor: Only one motor size covers the entire pump range. Designed for peak efficiency and complete reliability, the motor features integrated electronics, eliminating the need for complicated external controls.
Motor Protection: Built in protections against over-temperature, overload, and over and under-voltage for reliability, as well as two-way communication with a control box to alert you in case there's a problem.
Any Voltage: The motor can operate under any voltage from 30 - 300 VDC and 90 - 240 VAC without additional controls, making sizing and installation easy, even as a retrofit to existing installations. AC power capabilities mean every SQFlex pump has the ability to use an AC generator for backup power.

Simple installation
Reliable water supply
Virtually no maintenance
Cost-efficient pumping every day!

Also Known As:

Technical Data SQF Pump
Power supply to pump 30-300 VDC, PE.
1 x 90-240 V 10%/+6%, 50/60 Hz, PE.
Run-up time Depends on the energy source.
Start/stop No limitation to the number of starts/stops per hour.
Enclosure class IP 68.

Motor protection Built into the pump. Protection against
dry running by means of a water level electrode
overvoltage and undervoltage

Conductivity 70 s/cm (micro siemens).
Sound pressure level The sound pressure level of the pump is lower than the limiting values stated in the EC Machinery Directive.
Radio noise The SQF complies with the EMC Directive 89/336/EEC. Approved according to the standards EN 61000-6-2 and EN 61000-6-3.
Reset function The SQF can be reset via the CU 200 or by disconnecting the power supply for 1 minute.
Power factor PF = 1.
Operation via generator Voltage: 230 VAC 10%/+6%.
The generator output must be
minimum 1000 W (helical rotor pumps)
minimum 1500 W (centrifugal pumps).

Pump Type: Helical Rotor

Wiring diagram for pump

Connection of the MSF motor to the power supply must  be done according to the wiring diagram shown below. As the intelligent motor electronics can handle both connection possibilities, it makes no difference how the wires "+" and "–" or "N" and L" are connected.


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